diff options
Diffstat (limited to 'sys/src/cmd/unix/drawterm/libsec')
58 files changed, 0 insertions, 12553 deletions
diff --git a/sys/src/cmd/unix/drawterm/libsec/Makefile b/sys/src/cmd/unix/drawterm/libsec/Makefile deleted file mode 100644 index 0afa2a9a3..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/Makefile +++ /dev/null @@ -1,58 +0,0 @@ -ROOT=.. -include ../Make.config -LIB=libsec.a - -OFILES=\ - aes.$O\ - blowfish.$O\ - decodepem.$O\ - des.$O\ - des3CBC.$O\ - des3ECB.$O\ - desCBC.$O\ - desECB.$O\ - desmodes.$O\ - dsaalloc.$O\ - dsagen.$O\ - dsaprimes.$O\ - dsaprivtopub.$O\ - dsasign.$O\ - dsaverify.$O\ - egalloc.$O\ - egdecrypt.$O\ - egencrypt.$O\ - eggen.$O\ - egprivtopub.$O\ - egsign.$O\ - egverify.$O\ - fastrand.$O\ - genprime.$O\ - genrandom.$O\ - gensafeprime.$O\ - genstrongprime.$O\ - hmac.$O\ - md4.$O\ - md5.$O\ - md5pickle.$O\ - nfastrand.$O\ - prng.$O\ - probably_prime.$O\ - rc4.$O\ - rsaalloc.$O\ - rsadecrypt.$O\ - rsaencrypt.$O\ - rsafill.$O\ - rsagen.$O\ - rsaprivtopub.$O\ - sha1.$O\ - sha1pickle.$O\ - smallprimes.$O - -default: $(LIB) -$(LIB): $(OFILES) - $(AR) r $(LIB) $(OFILES) - $(RANLIB) $(LIB) - -%.$O: %.c - $(CC) $(CFLAGS) $*.c - diff --git a/sys/src/cmd/unix/drawterm/libsec/aes.c b/sys/src/cmd/unix/drawterm/libsec/aes.c deleted file mode 100644 index 02aeaaed7..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/aes.c +++ /dev/null @@ -1,1549 +0,0 @@ -/* - * this code is derived from the following source, - * and modified to fit into the plan 9 libsec interface. - * most of the changes are confined to the top section, - * with the exception of converting Te4 and Td4 into u8 rather than u32 arrays. - * - * rijndael-alg-fst.c - * - * @version 3.0 (December 2000) - * - * Optimised ANSI C code for the Rijndael cipher (now AES) - * - * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be> - * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be> - * @author Paulo Barreto <paulo.barreto@terra.com.br> - * - * This code is hereby placed in the public domain. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include <u.h> -#include <libc.h> -#include <libsec.h> - -typedef uchar u8; -typedef u32int u32; -#define FULL_UNROLL - -static const u32 Td0[256]; -static const u32 Td1[256]; -static const u32 Td2[256]; -static const u32 Td3[256]; -static const u8 Te4[256]; - -static int rijndaelKeySetupEnc(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits); - -#ifdef NOT -static int rijndaelKeySetupDec(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits); -#endif -static int rijndaelKeySetup(u32 erk[/*4*(Nr + 1)*/], u32 drk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits); -static void rijndaelEncrypt(const u32int rk[], int Nr, const uchar pt[16], uchar ct[16]); -static void rijndaelDecrypt(const u32int rk[], int Nr, const uchar ct[16], uchar pt[16]); - -void -setupAESstate(AESstate *s, uchar key[], int keybytes, uchar *ivec) -{ - memset(s, 0, sizeof(*s)); - if(keybytes > AESmaxkey) - keybytes = AESmaxkey; - memmove(s->key, key, keybytes); - s->keybytes = keybytes; - s->rounds = rijndaelKeySetup(s->ekey, s->dkey, s->key, keybytes * 8); - if(ivec != nil) - memmove(s->ivec, ivec, AESbsize); - if(keybytes==16 || keybytes==24 || keybytes==32) - s->setup = 0xcafebabe; - // else rijndaelKeySetup was invalid -} - -// Define by analogy with desCBCencrypt; AES modes are not standardized yet. -// Because of the way that non-multiple-of-16 buffers are handled, -// the decryptor must be fed buffers of the same size as the encryptor. -void -aesCBCencrypt(uchar *p, int len, AESstate *s) -{ - uchar *p2, *ip, *eip; - uchar q[AESbsize]; - - for(; len >= AESbsize; len -= AESbsize){ - p2 = p; - ip = s->ivec; - for(eip = ip+AESbsize; ip < eip; ) - *p2++ ^= *ip++; - rijndaelEncrypt(s->ekey, s->rounds, p, q); - memmove(s->ivec, q, AESbsize); - memmove(p, q, AESbsize); - p += AESbsize; - } - - if(len > 0){ - ip = s->ivec; - rijndaelEncrypt(s->ekey, s->rounds, ip, q); - memmove(s->ivec, q, AESbsize); - for(eip = ip+len; ip < eip; ) - *p++ ^= *ip++; - } -} - -void -aesCBCdecrypt(uchar *p, int len, AESstate *s) -{ - uchar *ip, *eip, *tp; - uchar tmp[AESbsize], q[AESbsize]; - - for(; len >= AESbsize; len -= AESbsize){ - memmove(tmp, p, AESbsize); - rijndaelDecrypt(s->dkey, s->rounds, p, q); - memmove(p, q, AESbsize); - tp = tmp; - ip = s->ivec; - for(eip = ip+AESbsize; ip < eip; ){ - *p++ ^= *ip; - *ip++ = *tp++; - } - } - - if(len > 0){ - ip = s->ivec; - rijndaelEncrypt(s->ekey, s->rounds, ip, q); - memmove(s->ivec, q, AESbsize); - for(eip = ip+len; ip < eip; ) - *p++ ^= *ip++; - } -} - -/* - * this function has been changed for plan 9. - * Expand the cipher key into the encryption and decryption key schedules. - * - * @return the number of rounds for the given cipher key size. - */ -static int rijndaelKeySetup(u32 erk[/*4*(Nr + 1)*/], u32 drk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits) { - int Nr, i; - - /* expand the cipher key: */ - Nr = rijndaelKeySetupEnc(erk, cipherKey, keyBits); - - /* - * invert the order of the round keys and - * apply the inverse MixColumn transform to all round keys but the first and the last - */ - drk[0 ] = erk[4*Nr ]; - drk[1 ] = erk[4*Nr + 1]; - drk[2 ] = erk[4*Nr + 2]; - drk[3 ] = erk[4*Nr + 3]; - drk[4*Nr ] = erk[0 ]; - drk[4*Nr + 1] = erk[1 ]; - drk[4*Nr + 2] = erk[2 ]; - drk[4*Nr + 3] = erk[3 ]; - erk += 4 * Nr; - for (i = 1; i < Nr; i++) { - drk += 4; - erk -= 4; - drk[0] = - Td0[Te4[(erk[0] >> 24) ]] ^ - Td1[Te4[(erk[0] >> 16) & 0xff]] ^ - Td2[Te4[(erk[0] >> 8) & 0xff]] ^ - Td3[Te4[(erk[0] ) & 0xff]]; - drk[1] = - Td0[Te4[(erk[1] >> 24) ]] ^ - Td1[Te4[(erk[1] >> 16) & 0xff]] ^ - Td2[Te4[(erk[1] >> 8) & 0xff]] ^ - Td3[Te4[(erk[1] ) & 0xff]]; - drk[2] = - Td0[Te4[(erk[2] >> 24) ]] ^ - Td1[Te4[(erk[2] >> 16) & 0xff]] ^ - Td2[Te4[(erk[2] >> 8) & 0xff]] ^ - Td3[Te4[(erk[2] ) & 0xff]]; - drk[3] = - Td0[Te4[(erk[3] >> 24) ]] ^ - Td1[Te4[(erk[3] >> 16) & 0xff]] ^ - Td2[Te4[(erk[3] >> 8) & 0xff]] ^ - Td3[Te4[(erk[3] ) & 0xff]]; - } - return Nr; -} - -/* -Te0[x] = S [x].[02, 01, 01, 03]; -Te1[x] = S [x].[03, 02, 01, 01]; -Te2[x] = S [x].[01, 03, 02, 01]; -Te3[x] = S [x].[01, 01, 03, 02]; -Te4[x] = S [x] - -Td0[x] = Si[x].[0e, 09, 0d, 0b]; -Td1[x] = Si[x].[0b, 0e, 09, 0d]; -Td2[x] = Si[x].[0d, 0b, 0e, 09]; -Td3[x] = Si[x].[09, 0d, 0b, 0e]; -Td4[x] = Si[x] -*/ - -static const u32 Te0[256] = { - 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU, - 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U, - 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU, - 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU, - 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U, - 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU, - 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU, - 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU, - 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU, - 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU, - 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U, - 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU, - 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU, - 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U, - 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU, - 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU, - 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU, - 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU, - 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU, - 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U, - 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU, - 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU, - 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU, - 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU, - 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U, - 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U, - 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U, - 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U, - 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU, - 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U, - 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U, - 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU, - 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU, - 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U, - 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U, - 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U, - 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU, - 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U, - 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU, - 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U, - 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU, - 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U, - 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U, - 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU, - 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U, - 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U, - 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U, - 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U, - 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U, - 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U, - 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U, - 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U, - 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU, - 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U, - 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U, - 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U, - 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U, - 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U, - 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U, - 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU, - 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U, - 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U, - 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U, - 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU, -}; -static const u32 Te1[256] = { - 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU, - 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U, - 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU, - 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U, - 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU, - 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U, - 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU, - 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U, - 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U, - 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU, - 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U, - 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U, - 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U, - 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU, - 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U, - 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U, - 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU, - 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U, - 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U, - 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U, - 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU, - 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU, - 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U, - 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU, - 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU, - 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U, - 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU, - 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U, - 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU, - 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U, - 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U, - 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U, - 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU, - 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U, - 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU, - 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U, - 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU, - 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U, - 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U, - 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU, - 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU, - 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU, - 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U, - 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U, - 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU, - 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U, - 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU, - 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U, - 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU, - 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U, - 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU, - 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU, - 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U, - 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU, - 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U, - 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU, - 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U, - 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U, - 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U, - 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU, - 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU, - 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U, - 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU, - 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U, -}; -static const u32 Te2[256] = { - 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU, - 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U, - 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU, - 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U, - 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU, - 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U, - 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU, - 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U, - 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U, - 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU, - 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U, - 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U, - 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U, - 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU, - 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U, - 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U, - 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU, - 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U, - 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U, - 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U, - 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU, - 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU, - 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U, - 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU, - 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU, - 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U, - 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU, - 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U, - 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU, - 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U, - 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U, - 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U, - 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU, - 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U, - 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU, - 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U, - 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU, - 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U, - 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U, - 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU, - 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU, - 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU, - 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U, - 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U, - 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU, - 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U, - 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU, - 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U, - 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU, - 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U, - 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU, - 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU, - 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U, - 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU, - 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U, - 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU, - 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U, - 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U, - 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U, - 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU, - 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU, - 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U, - 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU, - 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U, -}; -static const u32 Te3[256] = { - - 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U, - 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U, - 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U, - 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU, - 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU, - 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU, - 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U, - 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU, - 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU, - 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U, - 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U, - 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU, - 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU, - 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU, - 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU, - 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU, - 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U, - 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU, - 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU, - 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U, - 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U, - 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U, - 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U, - 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U, - 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU, - 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U, - 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU, - 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU, - 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U, - 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U, - 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U, - 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU, - 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U, - 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU, - 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU, - 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U, - 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U, - 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU, - 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U, - 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU, - 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U, - 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U, - 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U, - 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U, - 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU, - 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U, - 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU, - 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U, - 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU, - 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U, - 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU, - 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU, - 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU, - 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU, - 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U, - 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U, - 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U, - 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U, - 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U, - 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U, - 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU, - 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U, - 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU, - 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU, -}; -static const u8 Te4[256] = { - 0x63U, 0x7cU, 0x77U, 0x7bU, - 0xf2U, 0x6bU, 0x6fU, 0xc5U, - 0x30U, 0x01U, 0x67U, 0x2bU, - 0xfeU, 0xd7U, 0xabU, 0x76U, - 0xcaU, 0x82U, 0xc9U, 0x7dU, - 0xfaU, 0x59U, 0x47U, 0xf0U, - 0xadU, 0xd4U, 0xa2U, 0xafU, - 0x9cU, 0xa4U, 0x72U, 0xc0U, - 0xb7U, 0xfdU, 0x93U, 0x26U, - 0x36U, 0x3fU, 0xf7U, 0xccU, - 0x34U, 0xa5U, 0xe5U, 0xf1U, - 0x71U, 0xd8U, 0x31U, 0x15U, - 0x04U, 0xc7U, 0x23U, 0xc3U, - 0x18U, 0x96U, 0x05U, 0x9aU, - 0x07U, 0x12U, 0x80U, 0xe2U, - 0xebU, 0x27U, 0xb2U, 0x75U, - 0x09U, 0x83U, 0x2cU, 0x1aU, - 0x1bU, 0x6eU, 0x5aU, 0xa0U, - 0x52U, 0x3bU, 0xd6U, 0xb3U, - 0x29U, 0xe3U, 0x2fU, 0x84U, - 0x53U, 0xd1U, 0x00U, 0xedU, - 0x20U, 0xfcU, 0xb1U, 0x5bU, - 0x6aU, 0xcbU, 0xbeU, 0x39U, - 0x4aU, 0x4cU, 0x58U, 0xcfU, - 0xd0U, 0xefU, 0xaaU, 0xfbU, - 0x43U, 0x4dU, 0x33U, 0x85U, - 0x45U, 0xf9U, 0x02U, 0x7fU, - 0x50U, 0x3cU, 0x9fU, 0xa8U, - 0x51U, 0xa3U, 0x40U, 0x8fU, - 0x92U, 0x9dU, 0x38U, 0xf5U, - 0xbcU, 0xb6U, 0xdaU, 0x21U, - 0x10U, 0xffU, 0xf3U, 0xd2U, - 0xcdU, 0x0cU, 0x13U, 0xecU, - 0x5fU, 0x97U, 0x44U, 0x17U, - 0xc4U, 0xa7U, 0x7eU, 0x3dU, - 0x64U, 0x5dU, 0x19U, 0x73U, - 0x60U, 0x81U, 0x4fU, 0xdcU, - 0x22U, 0x2aU, 0x90U, 0x88U, - 0x46U, 0xeeU, 0xb8U, 0x14U, - 0xdeU, 0x5eU, 0x0bU, 0xdbU, - 0xe0U, 0x32U, 0x3aU, 0x0aU, - 0x49U, 0x06U, 0x24U, 0x5cU, - 0xc2U, 0xd3U, 0xacU, 0x62U, - 0x91U, 0x95U, 0xe4U, 0x79U, - 0xe7U, 0xc8U, 0x37U, 0x6dU, - 0x8dU, 0xd5U, 0x4eU, 0xa9U, - 0x6cU, 0x56U, 0xf4U, 0xeaU, - 0x65U, 0x7aU, 0xaeU, 0x08U, - 0xbaU, 0x78U, 0x25U, 0x2eU, - 0x1cU, 0xa6U, 0xb4U, 0xc6U, - 0xe8U, 0xddU, 0x74U, 0x1fU, - 0x4bU, 0xbdU, 0x8bU, 0x8aU, - 0x70U, 0x3eU, 0xb5U, 0x66U, - 0x48U, 0x03U, 0xf6U, 0x0eU, - 0x61U, 0x35U, 0x57U, 0xb9U, - 0x86U, 0xc1U, 0x1dU, 0x9eU, - 0xe1U, 0xf8U, 0x98U, 0x11U, - 0x69U, 0xd9U, 0x8eU, 0x94U, - 0x9bU, 0x1eU, 0x87U, 0xe9U, - 0xceU, 0x55U, 0x28U, 0xdfU, - 0x8cU, 0xa1U, 0x89U, 0x0dU, - 0xbfU, 0xe6U, 0x42U, 0x68U, - 0x41U, 0x99U, 0x2dU, 0x0fU, - 0xb0U, 0x54U, 0xbbU, 0x16U, -}; -static const u32 Td0[256] = { - 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U, - 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U, - 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U, - 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU, - 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U, - 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U, - 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU, - 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U, - 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU, - 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U, - 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U, - 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U, - 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U, - 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU, - 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U, - 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU, - 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U, - 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU, - 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U, - 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U, - 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U, - 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU, - 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U, - 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU, - 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U, - 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU, - 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U, - 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU, - 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU, - 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U, - 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU, - 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U, - 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU, - 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U, - 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U, - 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U, - 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU, - 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U, - 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U, - 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU, - 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U, - 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U, - 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U, - 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U, - 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U, - 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU, - 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U, - 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U, - 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U, - 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U, - 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U, - 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU, - 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU, - 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU, - 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU, - 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U, - 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U, - 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU, - 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU, - 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U, - 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU, - 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U, - 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U, - 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U, -}; -static const u32 Td1[256] = { - 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU, - 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U, - 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU, - 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U, - 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U, - 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U, - 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U, - 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U, - 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U, - 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU, - 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU, - 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU, - 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U, - 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU, - 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U, - 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U, - 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U, - 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU, - 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU, - 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U, - 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU, - 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U, - 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU, - 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU, - 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U, - 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U, - 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U, - 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU, - 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U, - 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU, - 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U, - 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U, - 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U, - 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU, - 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U, - 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U, - 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U, - 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U, - 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U, - 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U, - 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU, - 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU, - 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U, - 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU, - 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U, - 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU, - 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU, - 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U, - 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU, - 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U, - 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U, - 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U, - 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U, - 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U, - 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U, - 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U, - 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU, - 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U, - 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U, - 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU, - 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U, - 0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U, - 0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U, - 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U, -}; -static const u32 Td2[256] = { - 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U, - 0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U, - 0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U, - 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U, - 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU, - 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U, - 0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U, - 0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U, - 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U, - 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU, - 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U, - 0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U, - 0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU, - 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U, - 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U, - 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U, - 0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U, - 0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U, - 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U, - 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU, - - 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U, - 0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U, - 0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U, - 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U, - 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U, - 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU, - 0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU, - 0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U, - 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU, - 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U, - 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU, - 0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU, - 0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU, - 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU, - 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U, - 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U, - 0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U, - 0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U, - 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U, - 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U, - 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U, - 0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU, - 0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU, - 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U, - 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U, - 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU, - 0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU, - 0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U, - 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U, - 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U, - 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U, - 0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U, - 0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U, - 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U, - 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU, - 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U, - 0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U, - 0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U, - 0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U, - 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U, - 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U, - 0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU, - 0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U, - 0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U, -}; -static const u32 Td3[256] = { - 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU, - 0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU, - 0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U, - 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U, - 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU, - 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU, - 0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U, - 0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU, - 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U, - 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU, - 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U, - 0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U, - 0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U, - 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U, - 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U, - 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU, - 0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU, - 0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U, - 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U, - 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU, - 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU, - 0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U, - 0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U, - 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U, - 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U, - 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU, - 0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U, - 0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U, - 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU, - 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU, - 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U, - 0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U, - 0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U, - 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU, - 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U, - 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U, - 0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U, - 0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U, - 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U, - 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U, - 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U, - 0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU, - 0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U, - 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U, - 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU, - 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU, - 0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U, - 0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU, - 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U, - 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U, - 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U, - 0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U, - 0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U, - 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U, - 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU, - 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU, - 0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU, - 0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU, - 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U, - 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U, - 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U, - 0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU, - 0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U, - 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U, -}; -static const u8 Td4[256] = { - 0x52U, 0x09U, 0x6aU, 0xd5U, - 0x30U, 0x36U, 0xa5U, 0x38U, - 0xbfU, 0x40U, 0xa3U, 0x9eU, - 0x81U, 0xf3U, 0xd7U, 0xfbU, - 0x7cU, 0xe3U, 0x39U, 0x82U, - 0x9bU, 0x2fU, 0xffU, 0x87U, - 0x34U, 0x8eU, 0x43U, 0x44U, - 0xc4U, 0xdeU, 0xe9U, 0xcbU, - 0x54U, 0x7bU, 0x94U, 0x32U, - 0xa6U, 0xc2U, 0x23U, 0x3dU, - 0xeeU, 0x4cU, 0x95U, 0x0bU, - 0x42U, 0xfaU, 0xc3U, 0x4eU, - 0x08U, 0x2eU, 0xa1U, 0x66U, - 0x28U, 0xd9U, 0x24U, 0xb2U, - 0x76U, 0x5bU, 0xa2U, 0x49U, - 0x6dU, 0x8bU, 0xd1U, 0x25U, - 0x72U, 0xf8U, 0xf6U, 0x64U, - 0x86U, 0x68U, 0x98U, 0x16U, - 0xd4U, 0xa4U, 0x5cU, 0xccU, - 0x5dU, 0x65U, 0xb6U, 0x92U, - 0x6cU, 0x70U, 0x48U, 0x50U, - 0xfdU, 0xedU, 0xb9U, 0xdaU, - 0x5eU, 0x15U, 0x46U, 0x57U, - 0xa7U, 0x8dU, 0x9dU, 0x84U, - 0x90U, 0xd8U, 0xabU, 0x00U, - 0x8cU, 0xbcU, 0xd3U, 0x0aU, - 0xf7U, 0xe4U, 0x58U, 0x05U, - 0xb8U, 0xb3U, 0x45U, 0x06U, - 0xd0U, 0x2cU, 0x1eU, 0x8fU, - 0xcaU, 0x3fU, 0x0fU, 0x02U, - 0xc1U, 0xafU, 0xbdU, 0x03U, - 0x01U, 0x13U, 0x8aU, 0x6bU, - 0x3aU, 0x91U, 0x11U, 0x41U, - 0x4fU, 0x67U, 0xdcU, 0xeaU, - 0x97U, 0xf2U, 0xcfU, 0xceU, - 0xf0U, 0xb4U, 0xe6U, 0x73U, - 0x96U, 0xacU, 0x74U, 0x22U, - 0xe7U, 0xadU, 0x35U, 0x85U, - 0xe2U, 0xf9U, 0x37U, 0xe8U, - 0x1cU, 0x75U, 0xdfU, 0x6eU, - 0x47U, 0xf1U, 0x1aU, 0x71U, - 0x1dU, 0x29U, 0xc5U, 0x89U, - 0x6fU, 0xb7U, 0x62U, 0x0eU, - 0xaaU, 0x18U, 0xbeU, 0x1bU, - 0xfcU, 0x56U, 0x3eU, 0x4bU, - 0xc6U, 0xd2U, 0x79U, 0x20U, - 0x9aU, 0xdbU, 0xc0U, 0xfeU, - 0x78U, 0xcdU, 0x5aU, 0xf4U, - 0x1fU, 0xddU, 0xa8U, 0x33U, - 0x88U, 0x07U, 0xc7U, 0x31U, - 0xb1U, 0x12U, 0x10U, 0x59U, - 0x27U, 0x80U, 0xecU, 0x5fU, - 0x60U, 0x51U, 0x7fU, 0xa9U, - 0x19U, 0xb5U, 0x4aU, 0x0dU, - 0x2dU, 0xe5U, 0x7aU, 0x9fU, - 0x93U, 0xc9U, 0x9cU, 0xefU, - 0xa0U, 0xe0U, 0x3bU, 0x4dU, - 0xaeU, 0x2aU, 0xf5U, 0xb0U, - 0xc8U, 0xebU, 0xbbU, 0x3cU, - 0x83U, 0x53U, 0x99U, 0x61U, - 0x17U, 0x2bU, 0x04U, 0x7eU, - 0xbaU, 0x77U, 0xd6U, 0x26U, - 0xe1U, 0x69U, 0x14U, 0x63U, - 0x55U, 0x21U, 0x0cU, 0x7dU, -}; -static const u32 rcon[] = { - 0x01000000, 0x02000000, 0x04000000, 0x08000000, - 0x10000000, 0x20000000, 0x40000000, 0x80000000, - 0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */ -}; - -#define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00) - -#ifdef _MSC_VER -#define GETU32(p) SWAP(*((u32 *)(p))) -#define PUTU32(ct, st) { *((u32 *)(ct)) = SWAP((st)); } -#else -#define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] << 8) ^ ((u32)(pt)[3])) -#define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >> 8); (ct)[3] = (u8)(st); } -#endif - -/** - * Expand the cipher key into the encryption key schedule. - * - * @return the number of rounds for the given cipher key size. - */ -static int rijndaelKeySetupEnc(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits) { - int i = 0; - u32 temp; - - rk[0] = GETU32(cipherKey ); - rk[1] = GETU32(cipherKey + 4); - rk[2] = GETU32(cipherKey + 8); - rk[3] = GETU32(cipherKey + 12); - if (keyBits == 128) { - for (;;) { - temp = rk[3]; - rk[4] = rk[0] ^ - (Te4[(temp >> 16) & 0xff] << 24) ^ - (Te4[(temp >> 8) & 0xff] << 16) ^ - (Te4[(temp ) & 0xff] << 8) ^ - (Te4[(temp >> 24) ] ) ^ - rcon[i]; - rk[5] = rk[1] ^ rk[4]; - rk[6] = rk[2] ^ rk[5]; - rk[7] = rk[3] ^ rk[6]; - if (++i == 10) { - return 10; - } - rk += 4; - } - } - rk[4] = GETU32(cipherKey + 16); - rk[5] = GETU32(cipherKey + 20); - if (keyBits == 192) { - for (;;) { - temp = rk[ 5]; - rk[ 6] = rk[ 0] ^ - (Te4[(temp >> 16) & 0xff] << 24) ^ - (Te4[(temp >> 8) & 0xff] << 16) ^ - (Te4[(temp ) & 0xff] << 8) ^ - (Te4[(temp >> 24) ] ) ^ - rcon[i]; - rk[ 7] = rk[ 1] ^ rk[ 6]; - rk[ 8] = rk[ 2] ^ rk[ 7]; - rk[ 9] = rk[ 3] ^ rk[ 8]; - if (++i == 8) { - return 12; - } - rk[10] = rk[ 4] ^ rk[ 9]; - rk[11] = rk[ 5] ^ rk[10]; - rk += 6; - } - } - rk[6] = GETU32(cipherKey + 24); - rk[7] = GETU32(cipherKey + 28); - if (keyBits == 256) { - for (;;) { - temp = rk[ 7]; - rk[ 8] = rk[ 0] ^ - (Te4[(temp >> 16) & 0xff] << 24) ^ - (Te4[(temp >> 8) & 0xff] << 16) ^ - (Te4[(temp ) & 0xff] << 8) ^ - (Te4[(temp >> 24) ] ) ^ - rcon[i]; - rk[ 9] = rk[ 1] ^ rk[ 8]; - rk[10] = rk[ 2] ^ rk[ 9]; - rk[11] = rk[ 3] ^ rk[10]; - if (++i == 7) { - return 14; - } - temp = rk[11]; - rk[12] = rk[ 4] ^ - (Te4[(temp >> 24) ] << 24) ^ - (Te4[(temp >> 16) & 0xff] << 16) ^ - (Te4[(temp >> 8) & 0xff] << 8) ^ - (Te4[(temp ) & 0xff] ); - rk[13] = rk[ 5] ^ rk[12]; - rk[14] = rk[ 6] ^ rk[13]; - rk[15] = rk[ 7] ^ rk[14]; - - rk += 8; - } - } - return 0; -} - -/** - * Expand the cipher key into the decryption key schedule. - * - * @return the number of rounds for the given cipher key size. - */ -#ifdef NOTUSED -static int rijndaelKeySetupDec(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits) { - int Nr, i, j; - u32 temp; - - /* expand the cipher key: */ - Nr = rijndaelKeySetupEnc(rk, cipherKey, keyBits); - /* invert the order of the round keys: */ - for (i = 0, j = 4*Nr; i < j; i += 4, j -= 4) { - temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp; - temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp; - temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp; - temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp; - } - /* apply the inverse MixColumn transform to all round keys but the first and the last: */ - for (i = 1; i < Nr; i++) { - rk += 4; - rk[0] = - Td0[Te4[(rk[0] >> 24) ]] ^ - Td1[Te4[(rk[0] >> 16) & 0xff]] ^ - Td2[Te4[(rk[0] >> 8) & 0xff]] ^ - Td3[Te4[(rk[0] ) & 0xff]]; - rk[1] = - Td0[Te4[(rk[1] >> 24) ]] ^ - Td1[Te4[(rk[1] >> 16) & 0xff]] ^ - Td2[Te4[(rk[1] >> 8) & 0xff]] ^ - Td3[Te4[(rk[1] ) & 0xff]]; - rk[2] = - Td0[Te4[(rk[2] >> 24) ]] ^ - Td1[Te4[(rk[2] >> 16) & 0xff]] ^ - Td2[Te4[(rk[2] >> 8) & 0xff]] ^ - Td3[Te4[(rk[2] ) & 0xff]]; - rk[3] = - Td0[Te4[(rk[3] >> 24) ]] ^ - Td1[Te4[(rk[3] >> 16) & 0xff]] ^ - Td2[Te4[(rk[3] >> 8) & 0xff]] ^ - Td3[Te4[(rk[3] ) & 0xff]]; - } - return Nr; -} -#endif - -static void rijndaelEncrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 pt[16], u8 ct[16]) { - u32 s0, s1, s2, s3, t0, t1, t2, t3; -#ifndef FULL_UNROLL - int r; -#endif /* ?FULL_UNROLL */ - - /* - * map byte array block to cipher state - * and add initial round key: - */ - s0 = GETU32(pt ) ^ rk[0]; - s1 = GETU32(pt + 4) ^ rk[1]; - s2 = GETU32(pt + 8) ^ rk[2]; - s3 = GETU32(pt + 12) ^ rk[3]; -#ifdef FULL_UNROLL - /* round 1: */ - t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4]; - t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5]; - t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6]; - t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7]; - /* round 2: */ - s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8]; - s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9]; - s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10]; - s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11]; - /* round 3: */ - t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12]; - t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13]; - t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14]; - t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15]; - /* round 4: */ - s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16]; - s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17]; - s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18]; - s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19]; - /* round 5: */ - t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20]; - t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21]; - t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22]; - t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23]; - /* round 6: */ - s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24]; - s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25]; - s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26]; - s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27]; - /* round 7: */ - t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28]; - t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29]; - t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30]; - t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31]; - /* round 8: */ - s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32]; - s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33]; - s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34]; - s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35]; - /* round 9: */ - t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36]; - t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37]; - t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38]; - t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39]; - if (Nr > 10) { - /* round 10: */ - s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40]; - s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[41]; - s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[42]; - s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[43]; - /* round 11: */ - t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[44]; - t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[45]; - t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[46]; - t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[47]; - if (Nr > 12) { - /* round 12: */ - s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[48]; - s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[49]; - s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[50]; - s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[51]; - /* round 13: */ - t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[52]; - t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[53]; - t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[54]; - t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[55]; - } - } - rk += Nr << 2; -#else /* !FULL_UNROLL */ - /* - * Nr - 1 full rounds: - */ - r = Nr >> 1; - for (;;) { - t0 = - Te0[(s0 >> 24) ] ^ - Te1[(s1 >> 16) & 0xff] ^ - Te2[(s2 >> 8) & 0xff] ^ - Te3[(s3 ) & 0xff] ^ - rk[4]; - t1 = - Te0[(s1 >> 24) ] ^ - Te1[(s2 >> 16) & 0xff] ^ - Te2[(s3 >> 8) & 0xff] ^ - Te3[(s0 ) & 0xff] ^ - rk[5]; - t2 = - Te0[(s2 >> 24) ] ^ - Te1[(s3 >> 16) & 0xff] ^ - Te2[(s0 >> 8) & 0xff] ^ - Te3[(s1 ) & 0xff] ^ - rk[6]; - t3 = - Te0[(s3 >> 24) ] ^ - Te1[(s0 >> 16) & 0xff] ^ - Te2[(s1 >> 8) & 0xff] ^ - Te3[(s2 ) & 0xff] ^ - rk[7]; - - rk += 8; - if (--r == 0) { - break; - } - - s0 = - Te0[(t0 >> 24) ] ^ - Te1[(t1 >> 16) & 0xff] ^ - Te2[(t2 >> 8) & 0xff] ^ - Te3[(t3 ) & 0xff] ^ - rk[0]; - s1 = - Te0[(t1 >> 24) ] ^ - Te1[(t2 >> 16) & 0xff] ^ - Te2[(t3 >> 8) & 0xff] ^ - Te3[(t0 ) & 0xff] ^ - rk[1]; - s2 = - Te0[(t2 >> 24) ] ^ - Te1[(t3 >> 16) & 0xff] ^ - Te2[(t0 >> 8) & 0xff] ^ - Te3[(t1 ) & 0xff] ^ - rk[2]; - s3 = - Te0[(t3 >> 24) ] ^ - Te1[(t0 >> 16) & 0xff] ^ - Te2[(t1 >> 8) & 0xff] ^ - Te3[(t2 ) & 0xff] ^ - rk[3]; - } -#endif /* ?FULL_UNROLL */ - /* - * apply last round and - * map cipher state to byte array block: - */ - s0 = - (Te4[(t0 >> 24) ] << 24) ^ - (Te4[(t1 >> 16) & 0xff] << 16) ^ - (Te4[(t2 >> 8) & 0xff] << 8) ^ - (Te4[(t3 ) & 0xff] ) ^ - rk[0]; - PUTU32(ct , s0); - s1 = - (Te4[(t1 >> 24) ] << 24) ^ - (Te4[(t2 >> 16) & 0xff] << 16) ^ - (Te4[(t3 >> 8) & 0xff] << 8) ^ - (Te4[(t0 ) & 0xff] ) ^ - rk[1]; - PUTU32(ct + 4, s1); - s2 = - (Te4[(t2 >> 24) ] << 24) ^ - (Te4[(t3 >> 16) & 0xff] << 16) ^ - (Te4[(t0 >> 8) & 0xff] << 8) ^ - (Te4[(t1 ) & 0xff] ) ^ - rk[2]; - PUTU32(ct + 8, s2); - s3 = - (Te4[(t3 >> 24) ] << 24) ^ - (Te4[(t0 >> 16) & 0xff] << 16) ^ - (Te4[(t1 >> 8) & 0xff] << 8) ^ - (Te4[(t2 ) & 0xff] ) ^ - rk[3]; - PUTU32(ct + 12, s3); -} - -static void rijndaelDecrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 ct[16], u8 pt[16]) { - u32 s0, s1, s2, s3, t0, t1, t2, t3; -#ifndef FULL_UNROLL - int r; -#endif /* ?FULL_UNROLL */ - - /* - * map byte array block to cipher state - * and add initial round key: - */ - s0 = GETU32(ct ) ^ rk[0]; - s1 = GETU32(ct + 4) ^ rk[1]; - s2 = GETU32(ct + 8) ^ rk[2]; - s3 = GETU32(ct + 12) ^ rk[3]; -#ifdef FULL_UNROLL - /* round 1: */ - t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4]; - t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5]; - t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6]; - t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7]; - /* round 2: */ - s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8]; - s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9]; - s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10]; - s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11]; - /* round 3: */ - t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12]; - t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13]; - t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14]; - t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15]; - /* round 4: */ - s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16]; - s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17]; - s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18]; - s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19]; - /* round 5: */ - t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20]; - t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21]; - t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22]; - t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23]; - /* round 6: */ - s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24]; - s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25]; - s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26]; - s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27]; - /* round 7: */ - t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28]; - t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29]; - t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30]; - t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31]; - /* round 8: */ - s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32]; - s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33]; - s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34]; - s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35]; - /* round 9: */ - t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36]; - t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37]; - t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38]; - t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39]; - if (Nr > 10) { - /* round 10: */ - s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40]; - s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41]; - s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42]; - s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43]; - /* round 11: */ - t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44]; - t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45]; - t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46]; - t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47]; - if (Nr > 12) { - /* round 12: */ - s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48]; - s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49]; - s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50]; - s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51]; - /* round 13: */ - t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52]; - t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53]; - t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54]; - t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55]; - } - } - rk += Nr << 2; -#else /* !FULL_UNROLL */ - /* - * Nr - 1 full rounds: - */ - r = Nr >> 1; - for (;;) { - t0 = - Td0[(s0 >> 24) ] ^ - Td1[(s3 >> 16) & 0xff] ^ - Td2[(s2 >> 8) & 0xff] ^ - Td3[(s1 ) & 0xff] ^ - rk[4]; - t1 = - Td0[(s1 >> 24) ] ^ - Td1[(s0 >> 16) & 0xff] ^ - Td2[(s3 >> 8) & 0xff] ^ - Td3[(s2 ) & 0xff] ^ - rk[5]; - t2 = - Td0[(s2 >> 24) ] ^ - Td1[(s1 >> 16) & 0xff] ^ - Td2[(s0 >> 8) & 0xff] ^ - Td3[(s3 ) & 0xff] ^ - rk[6]; - t3 = - Td0[(s3 >> 24) ] ^ - Td1[(s2 >> 16) & 0xff] ^ - Td2[(s1 >> 8) & 0xff] ^ - Td3[(s0 ) & 0xff] ^ - rk[7]; - - rk += 8; - if (--r == 0) { - break; - } - - s0 = - Td0[(t0 >> 24) ] ^ - Td1[(t3 >> 16) & 0xff] ^ - Td2[(t2 >> 8) & 0xff] ^ - Td3[(t1 ) & 0xff] ^ - rk[0]; - s1 = - Td0[(t1 >> 24) ] ^ - Td1[(t0 >> 16) & 0xff] ^ - Td2[(t3 >> 8) & 0xff] ^ - Td3[(t2 ) & 0xff] ^ - rk[1]; - s2 = - Td0[(t2 >> 24) ] ^ - Td1[(t1 >> 16) & 0xff] ^ - Td2[(t0 >> 8) & 0xff] ^ - Td3[(t3 ) & 0xff] ^ - rk[2]; - s3 = - Td0[(t3 >> 24) ] ^ - Td1[(t2 >> 16) & 0xff] ^ - Td2[(t1 >> 8) & 0xff] ^ - Td3[(t0 ) & 0xff] ^ - rk[3]; - } -#endif /* ?FULL_UNROLL */ - /* - * apply last round and - * map cipher state to byte array block: - */ - s0 = - (Td4[(t0 >> 24) ] << 24) ^ - (Td4[(t3 >> 16) & 0xff] << 16) ^ - (Td4[(t2 >> 8) & 0xff] << 8) ^ - (Td4[(t1 ) & 0xff] ) ^ - rk[0]; - PUTU32(pt , s0); - s1 = - (Td4[(t1 >> 24) ] << 24) ^ - (Td4[(t0 >> 16) & 0xff] << 16) ^ - (Td4[(t3 >> 8) & 0xff] << 8) ^ - (Td4[(t2 ) & 0xff] ) ^ - rk[1]; - PUTU32(pt + 4, s1); - s2 = - (Td4[(t2 >> 24) ] << 24) ^ - (Td4[(t1 >> 16) & 0xff] << 16) ^ - (Td4[(t0 >> 8) & 0xff] << 8) ^ - (Td4[(t3 ) & 0xff] ) ^ - rk[2]; - PUTU32(pt + 8, s2); - s3 = - (Td4[(t3 >> 24) ] << 24) ^ - (Td4[(t2 >> 16) & 0xff] << 16) ^ - (Td4[(t1 >> 8) & 0xff] << 8) ^ - (Td4[(t0 ) & 0xff] ) ^ - rk[3]; - PUTU32(pt + 12, s3); -} - -#ifdef INTERMEDIATE_VALUE_KAT - -static void rijndaelEncryptRound(const u32 rk[/*4*(Nr + 1)*/], int Nr, u8 block[16], int rounds) { - int r; - u32 s0, s1, s2, s3, t0, t1, t2, t3; - - /* - * map byte array block to cipher state - * and add initial round key: - */ - s0 = GETU32(block ) ^ rk[0]; - s1 = GETU32(block + 4) ^ rk[1]; - s2 = GETU32(block + 8) ^ rk[2]; - s3 = GETU32(block + 12) ^ rk[3]; - rk += 4; - - /* - * Nr - 1 full rounds: - */ - for (r = (rounds < Nr ? rounds : Nr - 1); r > 0; r--) { - t0 = - Te0[(s0 >> 24) ] ^ - Te1[(s1 >> 16) & 0xff] ^ - Te2[(s2 >> 8) & 0xff] ^ - Te3[(s3 ) & 0xff] ^ - rk[0]; - t1 = - Te0[(s1 >> 24) ] ^ - Te1[(s2 >> 16) & 0xff] ^ - Te2[(s3 >> 8) & 0xff] ^ - Te3[(s0 ) & 0xff] ^ - rk[1]; - t2 = - Te0[(s2 >> 24) ] ^ - Te1[(s3 >> 16) & 0xff] ^ - Te2[(s0 >> 8) & 0xff] ^ - Te3[(s1 ) & 0xff] ^ - rk[2]; - t3 = - Te0[(s3 >> 24) ] ^ - Te1[(s0 >> 16) & 0xff] ^ - Te2[(s1 >> 8) & 0xff] ^ - Te3[(s2 ) & 0xff] ^ - rk[3]; - - s0 = t0; - s1 = t1; - s2 = t2; - s3 = t3; - rk += 4; - - } - - /* - * apply last round and - * map cipher state to byte array block: - */ - if (rounds == Nr) { - t0 = - (Te4[(s0 >> 24) ] << 24) ^ - (Te4[(s1 >> 16) & 0xff] << 16) ^ - (Te4[(s2 >> 8) & 0xff] << 8) ^ - (Te4[(s3 ) & 0xff] ) ^ - rk[0]; - t1 = - (Te4[(s1 >> 24) ] << 24) ^ - (Te4[(s2 >> 16) & 0xff] << 16) ^ - (Te4[(s3 >> 8) & 0xff] << 8) ^ - (Te4[(s0 ) & 0xff] ) ^ - rk[1]; - t2 = - (Te4[(s2 >> 24) ] << 24) ^ - (Te4[(s3 >> 16) & 0xff] << 16) ^ - (Te4[(s0 >> 8) & 0xff] << 8) ^ - (Te4[(s1 ) & 0xff] ) ^ - rk[2]; - t3 = - (Te4[(s3 >> 24) ] << 24) ^ - (Te4[(s0 >> 16) & 0xff] << 16) ^ - (Te4[(s1 >> 8) & 0xff] << 8) ^ - (Te4[(s2 ) & 0xff] ) ^ - rk[3]; - - s0 = t0; - s1 = t1; - s2 = t2; - s3 = t3; - } - - PUTU32(block , s0); - PUTU32(block + 4, s1); - PUTU32(block + 8, s2); - PUTU32(block + 12, s3); -} - -static void rijndaelDecryptRound(const u32 rk[/*4*(Nr + 1)*/], int Nr, u8 block[16], int rounds) { - int r; - u32 s0, s1, s2, s3, t0, t1, t2, t3; - - /* - * map byte array block to cipher state - * and add initial round key: - */ - s0 = GETU32(block ) ^ rk[0]; - s1 = GETU32(block + 4) ^ rk[1]; - s2 = GETU32(block + 8) ^ rk[2]; - s3 = GETU32(block + 12) ^ rk[3]; - rk += 4; - - /* - * Nr - 1 full rounds: - */ - for (r = (rounds < Nr ? rounds : Nr) - 1; r > 0; r--) { - t0 = - Td0[(s0 >> 24) ] ^ - Td1[(s3 >> 16) & 0xff] ^ - Td2[(s2 >> 8) & 0xff] ^ - Td3[(s1 ) & 0xff] ^ - rk[0]; - t1 = - Td0[(s1 >> 24) ] ^ - Td1[(s0 >> 16) & 0xff] ^ - Td2[(s3 >> 8) & 0xff] ^ - Td3[(s2 ) & 0xff] ^ - rk[1]; - t2 = - Td0[(s2 >> 24) ] ^ - Td1[(s1 >> 16) & 0xff] ^ - Td2[(s0 >> 8) & 0xff] ^ - Td3[(s3 ) & 0xff] ^ - rk[2]; - t3 = - Td0[(s3 >> 24) ] ^ - Td1[(s2 >> 16) & 0xff] ^ - Td2[(s1 >> 8) & 0xff] ^ - Td3[(s0 ) & 0xff] ^ - rk[3]; - - s0 = t0; - s1 = t1; - s2 = t2; - s3 = t3; - rk += 4; - - } - - /* - * complete the last round and - * map cipher state to byte array block: - */ - t0 = - (Td4[(s0 >> 24) ] << 24) ^ - (Td4[(s3 >> 16) & 0xff] << 16) ^ - (Td4[(s2 >> 8) & 0xff] << 8) ^ - (Td4[(s1 ) & 0xff] ); - t1 = - (Td4[(s1 >> 24) ] << 24) ^ - (Td4[(s0 >> 16) & 0xff] << 16) ^ - (Td4[(s3 >> 8) & 0xff] << 8) ^ - (Td4[(s2 ) & 0xff] ); - t2 = - (Td4[(s2 >> 24) ] << 24) ^ - (Td4[(s1 >> 16) & 0xff] << 16) ^ - (Td4[(s0 >> 8) & 0xff] << 8) ^ - (Td4[(s3 ) & 0xff] ); - t3 = - (Td4[(s3 >> 24) ] << 24) ^ - (Td4[(s2 >> 16) & 0xff] << 16) ^ - (Td4[(s1 >> 8) & 0xff] << 8) ^ - (Td4[(s0 ) & 0xff] ); - - if (rounds == Nr) { - t0 ^= rk[0]; - t1 ^= rk[1]; - t2 ^= rk[2]; - t3 ^= rk[3]; - } - - PUTU32(block , t0); - PUTU32(block + 4, t1); - PUTU32(block + 8, t2); - PUTU32(block + 12, t3); -} - -#endif /* INTERMEDIATE_VALUE_KAT */ diff --git a/sys/src/cmd/unix/drawterm/libsec/blowfish.c b/sys/src/cmd/unix/drawterm/libsec/blowfish.c deleted file mode 100644 index 5dcc677c7..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/blowfish.c +++ /dev/null @@ -1,579 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -// Blowfish block cipher. See: -// Lecture Notes in Computer Science 809 -// Fast Software Encryption -// Cambridge Security Workshop, Cambridge, England (1993) - -static u32int sbox[1024]; -static u32int pbox[BFrounds+2]; - -static void bfencrypt(u32int *, BFstate *); -static void bfdecrypt(u32int *, BFstate *); - -void -setupBFstate(BFstate *s, uchar key[], int keybytes, uchar *ivec) -{ - int i, j; - u32int n, buf[2]; - - memset(s, 0, sizeof(*s)); - memset(buf, 0, sizeof buf); - - if (keybytes > sizeof(s->key)) - keybytes = sizeof(s->key); - - memmove(s->key, key, keybytes); - - if (ivec != nil) - memmove(s->ivec, ivec, sizeof(s->ivec)); - else - memset(s->ivec, 0, sizeof(s->ivec)); - - memmove(s->pbox, pbox, sizeof(pbox)); - memmove(s->sbox, sbox, sizeof(sbox)); - - if (keybytes > 4*(BFrounds + 2)) - keybytes = 4*(BFrounds + 2); - - for(i=j=0; i < BFrounds+2; i++) { - n = key[j]; - j = (j+1) % keybytes; - - n <<= 8; - n |= key[j]; - j = (j+1) % keybytes; - - n <<= 8; - n |= key[j]; - j = (j+1) % keybytes; - - n <<= 8; - n |= key[j]; - j = (j+1) % keybytes; - - s->pbox[i] ^= n; - } - - for(i=0; i < BFrounds+2; i += 2) { - bfencrypt(buf, s); - s->pbox[i] = buf[0]; - s->pbox[i+1] = buf[1]; - } - - for(i=0; i < 1024; i += 2) { - bfencrypt(buf, s); - s->sbox[i] = buf[0]; - s->sbox[i+1] = buf[1]; - } - - s->setup = 0xcafebabe; -} - -void -bfCBCencrypt(uchar *buf, int n, BFstate *s) -{ - int i; - uchar *p; - u32int bo[2], bi[2], b; - - assert((n & 7) == 0); - - bo[0] = s->ivec[0] | ((u32int) s->ivec[1]<<8) | ((u32int)s->ivec[2]<<16) | ((u32int)s->ivec[3]<<24); - bo[1] = s->ivec[4] | ((u32int) s->ivec[5]<<8) | ((u32int)s->ivec[6]<<16) | ((u32int)s->ivec[7]<<24); - - for(i=0; i < n; i += 8, buf += 8) { - bi[0] = buf[0] | ((u32int) buf[1]<<8) | ((u32int)buf[2]<<16) | ((u32int)buf[3]<<24); - bi[1] = buf[4] | ((u32int) buf[5]<<8) | ((u32int)buf[6]<<16) | ((u32int)buf[7]<<24); - - bi[0] ^= bo[0]; - bi[1] ^= bo[1]; - - bfencrypt(bi, s); - - bo[0] = bi[0]; - bo[1] = bi[1]; - - p = buf; - b = bo[0]; - *p++ = b; - b >>= 8; - *p++ = b; - b >>= 8; - *p++ = b; - b >>= 8; - *p++ = b; - - b = bo[1]; - *p++ = b; - b >>= 8; - *p++ = b; - b >>= 8; - *p++ = b; - b >>= 8; - *p = b; - } - - s->ivec[7] = bo[1] >> 24; - s->ivec[6] = bo[1] >> 16; - s->ivec[5] = bo[1] >> 8; - s->ivec[4] = bo[1]; - - s->ivec[3] = bo[0] >> 24; - s->ivec[2] = bo[0] >> 16; - s->ivec[1] = bo[0] >> 8; - s->ivec[0] = bo[0]; - - return; -} - -void -bfCBCdecrypt(uchar *buf, int n, BFstate *s) -{ - int i; - uchar *p; - u32int b, bo[2], bi[2], xr[2]; - - assert((n & 7) == 0); - - bo[0] = s->ivec[0] | ((u32int) s->ivec[1]<<8) | ((u32int)s->ivec[2]<<16) | ((u32int)s->ivec[3]<<24); - bo[1] = s->ivec[4] | ((u32int) s->ivec[5]<<8) | ((u32int)s->ivec[6]<<16) | ((u32int)s->ivec[7]<<24); - - for(i=0; i < n; i += 8, buf += 8) { - bi[0] = buf[0] | ((u32int) buf[1]<<8) | ((u32int)buf[2]<<16) | ((u32int)buf[3]<<24); - bi[1] = buf[4] | ((u32int) buf[5]<<8) | ((u32int)buf[6]<<16) | ((u32int)buf[7]<<24); - - xr[0] = bi[0]; - xr[1] = bi[1]; - - bfdecrypt(bi, s); - - bo[0] ^= bi[0]; - bo[1] ^= bi[1]; - - p = buf; - b = bo[0]; - *p++ = b; - b >>= 8; - *p++ = b; - b >>= 8; - *p++ = b; - b >>= 8; - *p++ = b; - - b = bo[1]; - *p++ = b; - b >>= 8; - *p++ = b; - b >>= 8; - *p++ = b; - b >>= 8; - *p = b; - - bo[0] = xr[0]; - bo[1] = xr[1]; - } - - s->ivec[7] = bo[1] >> 24; - s->ivec[6] = bo[1] >> 16; - s->ivec[5] = bo[1] >> 8; - s->ivec[4] = bo[1]; - - s->ivec[3] = bo[0] >> 24; - s->ivec[2] = bo[0] >> 16; - s->ivec[1] = bo[0] >> 8; - s->ivec[0] = bo[0]; - - return; -} - -void -bfECBencrypt(uchar *buf, int n, BFstate *s) -{ - int i; - u32int b[2]; - - for(i=0; i < n; i += 8, buf += 8) { - b[0] = buf[0] | ((u32int) buf[1]<<8) | ((u32int)buf[2]<<16) | ((u32int)buf[3]<<24); - b[1] = buf[4] | ((u32int) buf[5]<<8) | ((u32int)buf[6]<<16) | ((u32int)buf[7]<<24); - - bfencrypt(b, s); - - buf[7] = b[1] >> 24; - buf[6] = b[1] >> 16; - buf[5] = b[1] >> 8; - buf[4] = b[1]; - - buf[3] = b[0] >> 24; - buf[2] = b[0] >> 16; - buf[1] = b[0] >> 8; - buf[0] = b[0]; - } - - return; -} - -void -bfECBdecrypt(uchar *buf, int n, BFstate *s) -{ - int i; - u32int b[2]; - - for(i=0; i < n; i += 8, buf += 8) { - b[0] = buf[0] | ((u32int) buf[1]<<8) | ((u32int)buf[2]<<16) | ((u32int)buf[3]<<24); - b[1] = buf[4] | ((u32int) buf[5]<<8) | ((u32int)buf[6]<<16) | ((u32int)buf[7]<<24); - - bfdecrypt(b, s); - - buf[7] = b[1] >> 24; - buf[6] = b[1] >> 16; - buf[5] = b[1] >> 8; - buf[4] = b[1]; - - buf[3] = b[0] >> 24; - buf[2] = b[0] >> 16; - buf[1] = b[0] >> 8; - buf[0] = b[0]; - } - - return; -} - -static void -bfencrypt(u32int *b, BFstate *s) -{ - int i; - u32int l, r; - u32int *pb, *sb; - - l = b[0]; - r = b[1]; - - pb = s->pbox; - sb = s->sbox; - - l ^= pb[0]; - - for(i=1; i<16; i += 2) { - r ^= pb[i]; - r ^= ( (sb[ (uchar) (l>>24)] + sb[256 + ((uchar) (l>>16))]) ^ - sb[512 + ((uchar) (l>>8))]) + sb[768 +((uchar) l)]; - - l ^= pb[i+1]; - l ^= ( (sb[ (uchar) (r>>24)] + sb[256 + ((uchar) (r>>16))]) ^ - sb[512 + ((uchar) (r>>8))]) + sb[768 +((uchar) r)]; - } - - r ^= pb[BFrounds+1]; - - /* sic */ - b[0] = r; - b[1] = l; - - return; -} - -static void -bfdecrypt(u32int *b, BFstate *s) -{ - int i; - u32int l, r; - u32int *pb, *sb; - - l = b[0]; - r = b[1]; - - pb = s->pbox; - sb = s->sbox; - - l ^= pb[BFrounds+1]; - - for(i=16; i > 0; i -= 2) { - r ^= pb[i]; - r ^= ( (sb[ (uchar) (l>>24)] + sb[256 + ((uchar) (l>>16))]) ^ - sb[512 + ((uchar) (l>>8))]) + sb[768 +((uchar) l)]; - - l ^= pb[i-1]; - l ^= ( (sb[ (uchar) (r>>24)] + sb[256 + ((uchar) (r>>16))]) ^ - sb[512 + ((uchar) (r>>8))]) + sb[768 +((uchar) r)]; - } - - r ^= pb[0]; - - /* sic */ - b[0] = r; - b[1] = l; - - return; -} - -static u32int pbox[BFrounds+2] = { - 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, - 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89, - 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, - 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, - 0x9216d5d9, 0x8979fb1b -}; - -static u32int sbox[1024] = { - 0xd1310ba6L, 0x98dfb5acL, 0x2ffd72dbL, 0xd01adfb7L, - 0xb8e1afedL, 0x6a267e96L, 0xba7c9045L, 0xf12c7f99L, - 0x24a19947L, 0xb3916cf7L, 0x0801f2e2L, 0x858efc16L, - 0x636920d8L, 0x71574e69L, 0xa458fea3L, 0xf4933d7eL, - 0x0d95748fL, 0x728eb658L, 0x718bcd58L, 0x82154aeeL, - 0x7b54a41dL, 0xc25a59b5L, 0x9c30d539L, 0x2af26013L, - 0xc5d1b023L, 0x286085f0L, 0xca417918L, 0xb8db38efL, - 0x8e79dcb0L, 0x603a180eL, 0x6c9e0e8bL, 0xb01e8a3eL, - 0xd71577c1L, 0xbd314b27L, 0x78af2fdaL, 0x55605c60L, - 0xe65525f3L, 0xaa55ab94L, 0x57489862L, 0x63e81440L, - 0x55ca396aL, 0x2aab10b6L, 0xb4cc5c34L, 0x1141e8ceL, - 0xa15486afL, 0x7c72e993L, 0xb3ee1411L, 0x636fbc2aL, - 0x2ba9c55dL, 0x741831f6L, 0xce5c3e16L, 0x9b87931eL, - 0xafd6ba33L, 0x6c24cf5cL, 0x7a325381L, 0x28958677L, - 0x3b8f4898L, 0x6b4bb9afL, 0xc4bfe81bL, 0x66282193L, - 0x61d809ccL, 0xfb21a991L, 0x487cac60L, 0x5dec8032L, - 0xef845d5dL, 0xe98575b1L, 0xdc262302L, 0xeb651b88L, - 0x23893e81L, 0xd396acc5L, 0x0f6d6ff3L, 0x83f44239L, - 0x2e0b4482L, 0xa4842004L, 0x69c8f04aL, 0x9e1f9b5eL, - 0x21c66842L, 0xf6e96c9aL, 0x670c9c61L, 0xabd388f0L, - 0x6a51a0d2L, 0xd8542f68L, 0x960fa728L, 0xab5133a3L, - 0x6eef0b6cL, 0x137a3be4L, 0xba3bf050L, 0x7efb2a98L, - 0xa1f1651dL, 0x39af0176L, 0x66ca593eL, 0x82430e88L, - 0x8cee8619L, 0x456f9fb4L, 0x7d84a5c3L, 0x3b8b5ebeL, - 0xe06f75d8L, 0x85c12073L, 0x401a449fL, 0x56c16aa6L, - 0x4ed3aa62L, 0x363f7706L, 0x1bfedf72L, 0x429b023dL, - 0x37d0d724L, 0xd00a1248L, 0xdb0fead3L, 0x49f1c09bL, - 0x075372c9L, 0x80991b7bL, 0x25d479d8L, 0xf6e8def7L, - 0xe3fe501aL, 0xb6794c3bL, 0x976ce0bdL, 0x04c006baL, - 0xc1a94fb6L, 0x409f60c4L, 0x5e5c9ec2L, 0x196a2463L, - 0x68fb6fafL, 0x3e6c53b5L, 0x1339b2ebL, 0x3b52ec6fL, - 0x6dfc511fL, 0x9b30952cL, 0xcc814544L, 0xaf5ebd09L, - 0xbee3d004L, 0xde334afdL, 0x660f2807L, 0x192e4bb3L, - 0xc0cba857L, 0x45c8740fL, 0xd20b5f39L, 0xb9d3fbdbL, - 0x5579c0bdL, 0x1a60320aL, 0xd6a100c6L, 0x402c7279L, - 0x679f25feL, 0xfb1fa3ccL, 0x8ea5e9f8L, 0xdb3222f8L, - 0x3c7516dfL, 0xfd616b15L, 0x2f501ec8L, 0xad0552abL, - 0x323db5faL, 0xfd238760L, 0x53317b48L, 0x3e00df82L, - 0x9e5c57bbL, 0xca6f8ca0L, 0x1a87562eL, 0xdf1769dbL, - 0xd542a8f6L, 0x287effc3L, 0xac6732c6L, 0x8c4f5573L, - 0x695b27b0L, 0xbbca58c8L, 0xe1ffa35dL, 0xb8f011a0L, - 0x10fa3d98L, 0xfd2183b8L, 0x4afcb56cL, 0x2dd1d35bL, - 0x9a53e479L, 0xb6f84565L, 0xd28e49bcL, 0x4bfb9790L, - 0xe1ddf2daL, 0xa4cb7e33L, 0x62fb1341L, 0xcee4c6e8L, - 0xef20cadaL, 0x36774c01L, 0xd07e9efeL, 0x2bf11fb4L, - 0x95dbda4dL, 0xae909198L, 0xeaad8e71L, 0x6b93d5a0L, - 0xd08ed1d0L, 0xafc725e0L, 0x8e3c5b2fL, 0x8e7594b7L, - 0x8ff6e2fbL, 0xf2122b64L, 0x8888b812L, 0x900df01cL, - 0x4fad5ea0L, 0x688fc31cL, 0xd1cff191L, 0xb3a8c1adL, - 0x2f2f2218L, 0xbe0e1777L, 0xea752dfeL, 0x8b021fa1L, - 0xe5a0cc0fL, 0xb56f74e8L, 0x18acf3d6L, 0xce89e299L, - 0xb4a84fe0L, 0xfd13e0b7L, 0x7cc43b81L, 0xd2ada8d9L, - 0x165fa266L, 0x80957705L, 0x93cc7314L, 0x211a1477L, - 0xe6ad2065L, 0x77b5fa86L, 0xc75442f5L, 0xfb9d35cfL, - 0xebcdaf0cL, 0x7b3e89a0L, 0xd6411bd3L, 0xae1e7e49L, - 0x00250e2dL, 0x2071b35eL, 0x226800bbL, 0x57b8e0afL, - 0x2464369bL, 0xf009b91eL, 0x5563911dL, 0x59dfa6aaL, - 0x78c14389L, 0xd95a537fL, 0x207d5ba2L, 0x02e5b9c5L, - 0x83260376L, 0x6295cfa9L, 0x11c81968L, 0x4e734a41L, - 0xb3472dcaL, 0x7b14a94aL, 0x1b510052L, 0x9a532915L, - 0xd60f573fL, 0xbc9bc6e4L, 0x2b60a476L, 0x81e67400L, - 0x08ba6fb5L, 0x571be91fL, 0xf296ec6bL, 0x2a0dd915L, - 0xb6636521L, 0xe7b9f9b6L, 0xff34052eL, 0xc5855664L, - 0x53b02d5dL, 0xa99f8fa1L, 0x08ba4799L, 0x6e85076aL, - 0x4b7a70e9L, 0xb5b32944L, 0xdb75092eL, 0xc4192623L, - 0xad6ea6b0L, 0x49a7df7dL, 0x9cee60b8L, 0x8fedb266L, - 0xecaa8c71L, 0x699a17ffL, 0x5664526cL, 0xc2b19ee1L, - 0x193602a5L, 0x75094c29L, 0xa0591340L, 0xe4183a3eL, - 0x3f54989aL, 0x5b429d65L, 0x6b8fe4d6L, 0x99f73fd6L, - 0xa1d29c07L, 0xefe830f5L, 0x4d2d38e6L, 0xf0255dc1L, - 0x4cdd2086L, 0x8470eb26L, 0x6382e9c6L, 0x021ecc5eL, - 0x09686b3fL, 0x3ebaefc9L, 0x3c971814L, 0x6b6a70a1L, - 0x687f3584L, 0x52a0e286L, 0xb79c5305L, 0xaa500737L, - 0x3e07841cL, 0x7fdeae5cL, 0x8e7d44ecL, 0x5716f2b8L, - 0xb03ada37L, 0xf0500c0dL, 0xf01c1f04L, 0x0200b3ffL, - 0xae0cf51aL, 0x3cb574b2L, 0x25837a58L, 0xdc0921bdL, - 0xd19113f9L, 0x7ca92ff6L, 0x94324773L, 0x22f54701L, - 0x3ae5e581L, 0x37c2dadcL, 0xc8b57634L, 0x9af3dda7L, - 0xa9446146L, 0x0fd0030eL, 0xecc8c73eL, 0xa4751e41L, - 0xe238cd99L, 0x3bea0e2fL, 0x3280bba1L, 0x183eb331L, - 0x4e548b38L, 0x4f6db908L, 0x6f420d03L, 0xf60a04bfL, - 0x2cb81290L, 0x24977c79L, 0x5679b072L, 0xbcaf89afL, - 0xde9a771fL, 0xd9930810L, 0xb38bae12L, 0xdccf3f2eL, - 0x5512721fL, 0x2e6b7124L, 0x501adde6L, 0x9f84cd87L, - 0x7a584718L, 0x7408da17L, 0xbc9f9abcL, 0xe94b7d8cL, - 0xec7aec3aL, 0xdb851dfaL, 0x63094366L, 0xc464c3d2L, - 0xef1c1847L, 0x3215d908L, 0xdd433b37L, 0x24c2ba16L, - 0x12a14d43L, 0x2a65c451L, 0x50940002L, 0x133ae4ddL, - 0x71dff89eL, 0x10314e55L, 0x81ac77d6L, 0x5f11199bL, - 0x043556f1L, 0xd7a3c76bL, 0x3c11183bL, 0x5924a509L, - 0xf28fe6edL, 0x97f1fbfaL, 0x9ebabf2cL, 0x1e153c6eL, - 0x86e34570L, 0xeae96fb1L, 0x860e5e0aL, 0x5a3e2ab3L, - 0x771fe71cL, 0x4e3d06faL, 0x2965dcb9L, 0x99e71d0fL, - 0x803e89d6L, 0x5266c825L, 0x2e4cc978L, 0x9c10b36aL, - 0xc6150ebaL, 0x94e2ea78L, 0xa5fc3c53L, 0x1e0a2df4L, - 0xf2f74ea7L, 0x361d2b3dL, 0x1939260fL, 0x19c27960L, - 0x5223a708L, 0xf71312b6L, 0xebadfe6eL, 0xeac31f66L, - 0xe3bc4595L, 0xa67bc883L, 0xb17f37d1L, 0x018cff28L, - 0xc332ddefL, 0xbe6c5aa5L, 0x65582185L, 0x68ab9802L, - 0xeecea50fL, 0xdb2f953bL, 0x2aef7dadL, 0x5b6e2f84L, - 0x1521b628L, 0x29076170L, 0xecdd4775L, 0x619f1510L, - 0x13cca830L, 0xeb61bd96L, 0x0334fe1eL, 0xaa0363cfL, - 0xb5735c90L, 0x4c70a239L, 0xd59e9e0bL, 0xcbaade14L, - 0xeecc86bcL, 0x60622ca7L, 0x9cab5cabL, 0xb2f3846eL, - 0x648b1eafL, 0x19bdf0caL, 0xa02369b9L, 0x655abb50L, - 0x40685a32L, 0x3c2ab4b3L, 0x319ee9d5L, 0xc021b8f7L, - 0x9b540b19L, 0x875fa099L, 0x95f7997eL, 0x623d7da8L, - 0xf837889aL, 0x97e32d77L, 0x11ed935fL, 0x16681281L, - 0x0e358829L, 0xc7e61fd6L, 0x96dedfa1L, 0x7858ba99L, - 0x57f584a5L, 0x1b227263L, 0x9b83c3ffL, 0x1ac24696L, - 0xcdb30aebL, 0x532e3054L, 0x8fd948e4L, 0x6dbc3128L, - 0x58ebf2efL, 0x34c6ffeaL, 0xfe28ed61L, 0xee7c3c73L, - 0x5d4a14d9L, 0xe864b7e3L, 0x42105d14L, 0x203e13e0L, - 0x45eee2b6L, 0xa3aaabeaL, 0xdb6c4f15L, 0xfacb4fd0L, - 0xc742f442L, 0xef6abbb5L, 0x654f3b1dL, 0x41cd2105L, - 0xd81e799eL, 0x86854dc7L, 0xe44b476aL, 0x3d816250L, - 0xcf62a1f2L, 0x5b8d2646L, 0xfc8883a0L, 0xc1c7b6a3L, - 0x7f1524c3L, 0x69cb7492L, 0x47848a0bL, 0x5692b285L, - 0x095bbf00L, 0xad19489dL, 0x1462b174L, 0x23820e00L, - 0x58428d2aL, 0x0c55f5eaL, 0x1dadf43eL, 0x233f7061L, - 0x3372f092L, 0x8d937e41L, 0xd65fecf1L, 0x6c223bdbL, - 0x7cde3759L, 0xcbee7460L, 0x4085f2a7L, 0xce77326eL, - 0xa6078084L, 0x19f8509eL, 0xe8efd855L, 0x61d99735L, - 0xa969a7aaL, 0xc50c06c2L, 0x5a04abfcL, 0x800bcadcL, - 0x9e447a2eL, 0xc3453484L, 0xfdd56705L, 0x0e1e9ec9L, - 0xdb73dbd3L, 0x105588cdL, 0x675fda79L, 0xe3674340L, - 0xc5c43465L, 0x713e38d8L, 0x3d28f89eL, 0xf16dff20L, - 0x153e21e7L, 0x8fb03d4aL, 0xe6e39f2bL, 0xdb83adf7L, - 0xe93d5a68L, 0x948140f7L, 0xf64c261cL, 0x94692934L, - 0x411520f7L, 0x7602d4f7L, 0xbcf46b2eL, 0xd4a20068L, - 0xd4082471L, 0x3320f46aL, 0x43b7d4b7L, 0x500061afL, - 0x1e39f62eL, 0x97244546L, 0x14214f74L, 0xbf8b8840L, - 0x4d95fc1dL, 0x96b591afL, 0x70f4ddd3L, 0x66a02f45L, - 0xbfbc09ecL, 0x03bd9785L, 0x7fac6dd0L, 0x31cb8504L, - 0x96eb27b3L, 0x55fd3941L, 0xda2547e6L, 0xabca0a9aL, - 0x28507825L, 0x530429f4L, 0x0a2c86daL, 0xe9b66dfbL, - 0x68dc1462L, 0xd7486900L, 0x680ec0a4L, 0x27a18deeL, - 0x4f3ffea2L, 0xe887ad8cL, 0xb58ce006L, 0x7af4d6b6L, - 0xaace1e7cL, 0xd3375fecL, 0xce78a399L, 0x406b2a42L, - 0x20fe9e35L, 0xd9f385b9L, 0xee39d7abL, 0x3b124e8bL, - 0x1dc9faf7L, 0x4b6d1856L, 0x26a36631L, 0xeae397b2L, - 0x3a6efa74L, 0xdd5b4332L, 0x6841e7f7L, 0xca7820fbL, - 0xfb0af54eL, 0xd8feb397L, 0x454056acL, 0xba489527L, - 0x55533a3aL, 0x20838d87L, 0xfe6ba9b7L, 0xd096954bL, - 0x55a867bcL, 0xa1159a58L, 0xcca92963L, 0x99e1db33L, - 0xa62a4a56L, 0x3f3125f9L, 0x5ef47e1cL, 0x9029317cL, - 0xfdf8e802L, 0x04272f70L, 0x80bb155cL, 0x05282ce3L, - 0x95c11548L, 0xe4c66d22L, 0x48c1133fL, 0xc70f86dcL, - 0x07f9c9eeL, 0x41041f0fL, 0x404779a4L, 0x5d886e17L, - 0x325f51ebL, 0xd59bc0d1L, 0xf2bcc18fL, 0x41113564L, - 0x257b7834L, 0x602a9c60L, 0xdff8e8a3L, 0x1f636c1bL, - 0x0e12b4c2L, 0x02e1329eL, 0xaf664fd1L, 0xcad18115L, - 0x6b2395e0L, 0x333e92e1L, 0x3b240b62L, 0xeebeb922L, - 0x85b2a20eL, 0xe6ba0d99L, 0xde720c8cL, 0x2da2f728L, - 0xd0127845L, 0x95b794fdL, 0x647d0862L, 0xe7ccf5f0L, - 0x5449a36fL, 0x877d48faL, 0xc39dfd27L, 0xf33e8d1eL, - 0x0a476341L, 0x992eff74L, 0x3a6f6eabL, 0xf4f8fd37L, - 0xa812dc60L, 0xa1ebddf8L, 0x991be14cL, 0xdb6e6b0dL, - 0xc67b5510L, 0x6d672c37L, 0x2765d43bL, 0xdcd0e804L, - 0xf1290dc7L, 0xcc00ffa3L, 0xb5390f92L, 0x690fed0bL, - 0x667b9ffbL, 0xcedb7d9cL, 0xa091cf0bL, 0xd9155ea3L, - 0xbb132f88L, 0x515bad24L, 0x7b9479bfL, 0x763bd6ebL, - 0x37392eb3L, 0xcc115979L, 0x8026e297L, 0xf42e312dL, - 0x6842ada7L, 0xc66a2b3bL, 0x12754cccL, 0x782ef11cL, - 0x6a124237L, 0xb79251e7L, 0x06a1bbe6L, 0x4bfb6350L, - 0x1a6b1018L, 0x11caedfaL, 0x3d25bdd8L, 0xe2e1c3c9L, - 0x44421659L, 0x0a121386L, 0xd90cec6eL, 0xd5abea2aL, - 0x64af674eL, 0xda86a85fL, 0xbebfe988L, 0x64e4c3feL, - 0x9dbc8057L, 0xf0f7c086L, 0x60787bf8L, 0x6003604dL, - 0xd1fd8346L, 0xf6381fb0L, 0x7745ae04L, 0xd736fcccL, - 0x83426b33L, 0xf01eab71L, 0xb0804187L, 0x3c005e5fL, - 0x77a057beL, 0xbde8ae24L, 0x55464299L, 0xbf582e61L, - 0x4e58f48fL, 0xf2ddfda2L, 0xf474ef38L, 0x8789bdc2L, - 0x5366f9c3L, 0xc8b38e74L, 0xb475f255L, 0x46fcd9b9L, - 0x7aeb2661L, 0x8b1ddf84L, 0x846a0e79L, 0x915f95e2L, - 0x466e598eL, 0x20b45770L, 0x8cd55591L, 0xc902de4cL, - 0xb90bace1L, 0xbb8205d0L, 0x11a86248L, 0x7574a99eL, - 0xb77f19b6L, 0xe0a9dc09L, 0x662d09a1L, 0xc4324633L, - 0xe85a1f02L, 0x09f0be8cL, 0x4a99a025L, 0x1d6efe10L, - 0x1ab93d1dL, 0x0ba5a4dfL, 0xa186f20fL, 0x2868f169L, - 0xdcb7da83L, 0x573906feL, 0xa1e2ce9bL, 0x4fcd7f52L, - 0x50115e01L, 0xa70683faL, 0xa002b5c4L, 0x0de6d027L, - 0x9af88c27L, 0x773f8641L, 0xc3604c06L, 0x61a806b5L, - 0xf0177a28L, 0xc0f586e0L, 0x006058aaL, 0x30dc7d62L, - 0x11e69ed7L, 0x2338ea63L, 0x53c2dd94L, 0xc2c21634L, - 0xbbcbee56L, 0x90bcb6deL, 0xebfc7da1L, 0xce591d76L, - 0x6f05e409L, 0x4b7c0188L, 0x39720a3dL, 0x7c927c24L, - 0x86e3725fL, 0x724d9db9L, 0x1ac15bb4L, 0xd39eb8fcL, - 0xed545578L, 0x08fca5b5L, 0xd83d7cd3L, 0x4dad0fc4L, - 0x1e50ef5eL, 0xb161e6f8L, 0xa28514d9L, 0x6c51133cL, - 0x6fd5c7e7L, 0x56e14ec4L, 0x362abfceL, 0xddc6c837L, - 0xd79a3234L, 0x92638212L, 0x670efa8eL, 0x406000e0L, - 0x3a39ce37L, 0xd3faf5cfL, 0xabc27737L, 0x5ac52d1bL, - 0x5cb0679eL, 0x4fa33742L, 0xd3822740L, 0x99bc9bbeL, - 0xd5118e9dL, 0xbf0f7315L, 0xd62d1c7eL, 0xc700c47bL, - 0xb78c1b6bL, 0x21a19045L, 0xb26eb1beL, 0x6a366eb4L, - 0x5748ab2fL, 0xbc946e79L, 0xc6a376d2L, 0x6549c2c8L, - 0x530ff8eeL, 0x468dde7dL, 0xd5730a1dL, 0x4cd04dc6L, - 0x2939bbdbL, 0xa9ba4650L, 0xac9526e8L, 0xbe5ee304L, - 0xa1fad5f0L, 0x6a2d519aL, 0x63ef8ce2L, 0x9a86ee22L, - 0xc089c2b8L, 0x43242ef6L, 0xa51e03aaL, 0x9cf2d0a4L, - 0x83c061baL, 0x9be96a4dL, 0x8fe51550L, 0xba645bd6L, - 0x2826a2f9L, 0xa73a3ae1L, 0x4ba99586L, 0xef5562e9L, - 0xc72fefd3L, 0xf752f7daL, 0x3f046f69L, 0x77fa0a59L, - 0x80e4a915L, 0x87b08601L, 0x9b09e6adL, 0x3b3ee593L, - 0xe990fd5aL, 0x9e34d797L, 0x2cf0b7d9L, 0x022b8b51L, - 0x96d5ac3aL, 0x017da67dL, 0xd1cf3ed6L, 0x7c7d2d28L, - 0x1f9f25cfL, 0xadf2b89bL, 0x5ad6b472L, 0x5a88f54cL, - 0xe029ac71L, 0xe019a5e6L, 0x47b0acfdL, 0xed93fa9bL, - 0xe8d3c48dL, 0x283b57ccL, 0xf8d56629L, 0x79132e28L, - 0x785f0191L, 0xed756055L, 0xf7960e44L, 0xe3d35e8cL, - 0x15056dd4L, 0x88f46dbaL, 0x03a16125L, 0x0564f0bdL, - 0xc3eb9e15L, 0x3c9057a2L, 0x97271aecL, 0xa93a072aL, - 0x1b3f6d9bL, 0x1e6321f5L, 0xf59c66fbL, 0x26dcf319L, - 0x7533d928L, 0xb155fdf5L, 0x03563482L, 0x8aba3cbbL, - 0x28517711L, 0xc20ad9f8L, 0xabcc5167L, 0xccad925fL, - 0x4de81751L, 0x3830dc8eL, 0x379d5862L, 0x9320f991L, - 0xea7a90c2L, 0xfb3e7bceL, 0x5121ce64L, 0x774fbe32L, - 0xa8b6e37eL, 0xc3293d46L, 0x48de5369L, 0x6413e680L, - 0xa2ae0810L, 0xdd6db224L, 0x69852dfdL, 0x09072166L, - 0xb39a460aL, 0x6445c0ddL, 0x586cdecfL, 0x1c20c8aeL, - 0x5bbef7ddL, 0x1b588d40L, 0xccd2017fL, 0x6bb4e3bbL, - 0xdda26a7eL, 0x3a59ff45L, 0x3e350a44L, 0xbcb4cdd5L, - 0x72eacea8L, 0xfa6484bbL, 0x8d6612aeL, 0xbf3c6f47L, - 0xd29be463L, 0x542f5d9eL, 0xaec2771bL, 0xf64e6370L, - 0x740e0d8dL, 0xe75b1357L, 0xf8721671L, 0xaf537d5dL, - 0x4040cb08L, 0x4eb4e2ccL, 0x34d2466aL, 0x0115af84L, - 0xe1b00428L, 0x95983a1dL, 0x06b89fb4L, 0xce6ea048L, - 0x6f3f3b82L, 0x3520ab82L, 0x011a1d4bL, 0x277227f8L, - 0x611560b1L, 0xe7933fdcL, 0xbb3a792bL, 0x344525bdL, - 0xa08839e1L, 0x51ce794bL, 0x2f32c9b7L, 0xa01fbac9L, - 0xe01cc87eL, 0xbcc7d1f6L, 0xcf0111c3L, 0xa1e8aac7L, - 0x1a908749L, 0xd44fbd9aL, 0xd0dadecbL, 0xd50ada38L, - 0x0339c32aL, 0xc6913667L, 0x8df9317cL, 0xe0b12b4fL, - 0xf79e59b7L, 0x43f5bb3aL, 0xf2d519ffL, 0x27d9459cL, - 0xbf97222cL, 0x15e6fc2aL, 0x0f91fc71L, 0x9b941525L, - 0xfae59361L, 0xceb69cebL, 0xc2a86459L, 0x12baa8d1L, - 0xb6c1075eL, 0xe3056a0cL, 0x10d25065L, 0xcb03a442L, - 0xe0ec6e0eL, 0x1698db3bL, 0x4c98a0beL, 0x3278e964L, - 0x9f1f9532L, 0xe0d392dfL, 0xd3a0342bL, 0x8971f21eL, - 0x1b0a7441L, 0x4ba3348cL, 0xc5be7120L, 0xc37632d8L, - 0xdf359f8dL, 0x9b992f2eL, 0xe60b6f47L, 0x0fe3f11dL, - 0xe54cda54L, 0x1edad891L, 0xce6279cfL, 0xcd3e7e6fL, - 0x1618b166L, 0xfd2c1d05L, 0x848fd2c5L, 0xf6fb2299L, - 0xf523f357L, 0xa6327623L, 0x93a83531L, 0x56cccd02L, - 0xacf08162L, 0x5a75ebb5L, 0x6e163697L, 0x88d273ccL, - 0xde966292L, 0x81b949d0L, 0x4c50901bL, 0x71c65614L, - 0xe6c6c7bdL, 0x327a140aL, 0x45e1d006L, 0xc3f27b9aL, - 0xc9aa53fdL, 0x62a80f00L, 0xbb25bfe2L, 0x35bdd2f6L, - 0x71126905L, 0xb2040222L, 0xb6cbcf7cL, 0xcd769c2bL, - 0x53113ec0L, 0x1640e3d3L, 0x38abbd60L, 0x2547adf0L, - 0xba38209cL, 0xf746ce76L, 0x77afa1c5L, 0x20756060L, - 0x85cbfe4eL, 0x8ae88dd8L, 0x7aaaf9b0L, 0x4cf9aa7eL, - 0x1948c25cL, 0x02fb8a8cL, 0x01c36ae4L, 0xd6ebe1f9L, - 0x90d4f869L, 0xa65cdea0L, 0x3f09252dL, 0xc208e69fL, - 0xb74e6132L, 0xce77e25bL, 0x578fdfe3L, 0x3ac372e6L, -}; - - diff --git a/sys/src/cmd/unix/drawterm/libsec/decodepem.c b/sys/src/cmd/unix/drawterm/libsec/decodepem.c deleted file mode 100644 index 7e8f83b4e..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/decodepem.c +++ /dev/null @@ -1,59 +0,0 @@ -#include <u.h> -#include <libc.h> -#include <mp.h> -#include <libsec.h> - -#define STRLEN(s) (sizeof(s)-1) - -uchar* -decodepem(char *s, char *type, int *len) -{ - uchar *d; - char *t, *e, *tt; - int n; - - /* - * find the correct section of the file, stripping garbage at the beginning and end. - * the data is delimited by -----BEGIN <type>-----\n and -----END <type>-----\n - */ - n = strlen(type); - e = strchr(s, '\0'); - for(t = s; t != nil && t < e; ){ - tt = t; - t = strchr(tt, '\n'); - if(t != nil) - t++; - if(strncmp(tt, "-----BEGIN ", STRLEN("-----BEGIN ")) == 0 - && strncmp(&tt[STRLEN("-----BEGIN ")], type, n) == 0 - && strncmp(&tt[STRLEN("-----BEGIN ")+n], "-----\n", STRLEN("-----\n")) == 0) - break; - } - for(tt = t; tt != nil && tt < e; tt++){ - if(strncmp(tt, "-----END ", STRLEN("-----END ")) == 0 - && strncmp(&tt[STRLEN("-----END ")], type, n) == 0 - && strncmp(&tt[STRLEN("-----END ")+n], "-----\n", STRLEN("-----\n")) == 0) - break; - tt = strchr(tt, '\n'); - if(tt == nil) - break; - } - if(tt == nil || tt == e){ - werrstr("incorrect .pem file format: bad header or trailer"); - return nil; - } - - n = ((tt - t) * 6 + 7) / 8; - d = malloc(n); - if(d == nil){ - werrstr("out of memory"); - return nil; - } - n = dec64(d, n, t, tt - t); - if(n < 0){ - free(d); - werrstr("incorrect .pem file format: bad base64 encoded data"); - return nil; - } - *len = n; - return d; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/des.c b/sys/src/cmd/unix/drawterm/libsec/des.c deleted file mode 100644 index c54541c58..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/des.c +++ /dev/null @@ -1,480 +0,0 @@ -#include "os.h" -#include <libsec.h> - -/* - * integrated sbox & p perm - */ -static u32int spbox[] = { - -0x00808200,0x00000000,0x00008000,0x00808202,0x00808002,0x00008202,0x00000002,0x00008000, -0x00000200,0x00808200,0x00808202,0x00000200,0x00800202,0x00808002,0x00800000,0x00000002, -0x00000202,0x00800200,0x00800200,0x00008200,0x00008200,0x00808000,0x00808000,0x00800202, -0x00008002,0x00800002,0x00800002,0x00008002,0x00000000,0x00000202,0x00008202,0x00800000, -0x00008000,0x00808202,0x00000002,0x00808000,0x00808200,0x00800000,0x00800000,0x00000200, -0x00808002,0x00008000,0x00008200,0x00800002,0x00000200,0x00000002,0x00800202,0x00008202, -0x00808202,0x00008002,0x00808000,0x00800202,0x00800002,0x00000202,0x00008202,0x00808200, -0x00000202,0x00800200,0x00800200,0x00000000,0x00008002,0x00008200,0x00000000,0x00808002, - -0x40084010,0x40004000,0x00004000,0x00084010,0x00080000,0x00000010,0x40080010,0x40004010, -0x40000010,0x40084010,0x40084000,0x40000000,0x40004000,0x00080000,0x00000010,0x40080010, -0x00084000,0x00080010,0x40004010,0x00000000,0x40000000,0x00004000,0x00084010,0x40080000, -0x00080010,0x40000010,0x00000000,0x00084000,0x00004010,0x40084000,0x40080000,0x00004010, -0x00000000,0x00084010,0x40080010,0x00080000,0x40004010,0x40080000,0x40084000,0x00004000, -0x40080000,0x40004000,0x00000010,0x40084010,0x00084010,0x00000010,0x00004000,0x40000000, -0x00004010,0x40084000,0x00080000,0x40000010,0x00080010,0x40004010,0x40000010,0x00080010, -0x00084000,0x00000000,0x40004000,0x00004010,0x40000000,0x40080010,0x40084010,0x00084000, - -0x00000104,0x04010100,0x00000000,0x04010004,0x04000100,0x00000000,0x00010104,0x04000100, -0x00010004,0x04000004,0x04000004,0x00010000,0x04010104,0x00010004,0x04010000,0x00000104, -0x04000000,0x00000004,0x04010100,0x00000100,0x00010100,0x04010000,0x04010004,0x00010104, -0x04000104,0x00010100,0x00010000,0x04000104,0x00000004,0x04010104,0x00000100,0x04000000, -0x04010100,0x04000000,0x00010004,0x00000104,0x00010000,0x04010100,0x04000100,0x00000000, -0x00000100,0x00010004,0x04010104,0x04000100,0x04000004,0x00000100,0x00000000,0x04010004, -0x04000104,0x00010000,0x04000000,0x04010104,0x00000004,0x00010104,0x00010100,0x04000004, -0x04010000,0x04000104,0x00000104,0x04010000,0x00010104,0x00000004,0x04010004,0x00010100, - -0x80401000,0x80001040,0x80001040,0x00000040,0x00401040,0x80400040,0x80400000,0x80001000, -0x00000000,0x00401000,0x00401000,0x80401040,0x80000040,0x00000000,0x00400040,0x80400000, -0x80000000,0x00001000,0x00400000,0x80401000,0x00000040,0x00400000,0x80001000,0x00001040, -0x80400040,0x80000000,0x00001040,0x00400040,0x00001000,0x00401040,0x80401040,0x80000040, -0x00400040,0x80400000,0x00401000,0x80401040,0x80000040,0x00000000,0x00000000,0x00401000, -0x00001040,0x00400040,0x80400040,0x80000000,0x80401000,0x80001040,0x80001040,0x00000040, -0x80401040,0x80000040,0x80000000,0x00001000,0x80400000,0x80001000,0x00401040,0x80400040, -0x80001000,0x00001040,0x00400000,0x80401000,0x00000040,0x00400000,0x00001000,0x00401040, - -0x00000080,0x01040080,0x01040000,0x21000080,0x00040000,0x00000080,0x20000000,0x01040000, -0x20040080,0x00040000,0x01000080,0x20040080,0x21000080,0x21040000,0x00040080,0x20000000, -0x01000000,0x20040000,0x20040000,0x00000000,0x20000080,0x21040080,0x21040080,0x01000080, -0x21040000,0x20000080,0x00000000,0x21000000,0x01040080,0x01000000,0x21000000,0x00040080, -0x00040000,0x21000080,0x00000080,0x01000000,0x20000000,0x01040000,0x21000080,0x20040080, -0x01000080,0x20000000,0x21040000,0x01040080,0x20040080,0x00000080,0x01000000,0x21040000, -0x21040080,0x00040080,0x21000000,0x21040080,0x01040000,0x00000000,0x20040000,0x21000000, -0x00040080,0x01000080,0x20000080,0x00040000,0x00000000,0x20040000,0x01040080,0x20000080, - -0x10000008,0x10200000,0x00002000,0x10202008,0x10200000,0x00000008,0x10202008,0x00200000, -0x10002000,0x00202008,0x00200000,0x10000008,0x00200008,0x10002000,0x10000000,0x00002008, -0x00000000,0x00200008,0x10002008,0x00002000,0x00202000,0x10002008,0x00000008,0x10200008, -0x10200008,0x00000000,0x00202008,0x10202000,0x00002008,0x00202000,0x10202000,0x10000000, -0x10002000,0x00000008,0x10200008,0x00202000,0x10202008,0x00200000,0x00002008,0x10000008, -0x00200000,0x10002000,0x10000000,0x00002008,0x10000008,0x10202008,0x00202000,0x10200000, -0x00202008,0x10202000,0x00000000,0x10200008,0x00000008,0x00002000,0x10200000,0x00202008, -0x00002000,0x00200008,0x10002008,0x00000000,0x10202000,0x10000000,0x00200008,0x10002008, - -0x00100000,0x02100001,0x02000401,0x00000000,0x00000400,0x02000401,0x00100401,0x02100400, -0x02100401,0x00100000,0x00000000,0x02000001,0x00000001,0x02000000,0x02100001,0x00000401, -0x02000400,0x00100401,0x00100001,0x02000400,0x02000001,0x02100000,0x02100400,0x00100001, -0x02100000,0x00000400,0x00000401,0x02100401,0x00100400,0x00000001,0x02000000,0x00100400, -0x02000000,0x00100400,0x00100000,0x02000401,0x02000401,0x02100001,0x02100001,0x00000001, -0x00100001,0x02000000,0x02000400,0x00100000,0x02100400,0x00000401,0x00100401,0x02100400, -0x00000401,0x02000001,0x02100401,0x02100000,0x00100400,0x00000000,0x00000001,0x02100401, -0x00000000,0x00100401,0x02100000,0x00000400,0x02000001,0x02000400,0x00000400,0x00100001, - -0x08000820,0x00000800,0x00020000,0x08020820,0x08000000,0x08000820,0x00000020,0x08000000, -0x00020020,0x08020000,0x08020820,0x00020800,0x08020800,0x00020820,0x00000800,0x00000020, -0x08020000,0x08000020,0x08000800,0x00000820,0x00020800,0x00020020,0x08020020,0x08020800, -0x00000820,0x00000000,0x00000000,0x08020020,0x08000020,0x08000800,0x00020820,0x00020000, -0x00020820,0x00020000,0x08020800,0x00000800,0x00000020,0x08020020,0x00000800,0x00020820, -0x08000800,0x00000020,0x08000020,0x08020000,0x08020020,0x08000000,0x00020000,0x08000820, -0x00000000,0x08020820,0x00020020,0x08000020,0x08020000,0x08000800,0x08000820,0x00000000, -0x08020820,0x00020800,0x00020800,0x00000820,0x00000820,0x00020020,0x08000000,0x08020800, -}; - -/* - * for manual index calculation - * #define fetch(box, i, sh) (*((u32int*)((uchar*)spbox + (box << 8) + ((i >> (sh)) & 0xfc)))) - */ -#define fetch(box, i, sh) ((spbox+(box << 6))[((i >> (sh + 2)) & 0x3f)]) - -/* - * DES electronic codebook encryption of one block - */ -void -block_cipher(ulong key[32], uchar text[8], int decrypting) -{ - u32int right, left, v0, v1; - int i, keystep; - - /* - * initial permutation - */ - v0 = text[0] | ((u32int)text[2]<<8) | ((u32int)text[4]<<16) | ((u32int)text[6]<<24); - left = text[1] | ((u32int)text[3]<<8) | ((u32int)text[5]<<16) | ((u32int)text[7]<<24); - right = (left & 0xaaaaaaaa) | ((v0 >> 1) & 0x55555555); - left = ((left << 1) & 0xaaaaaaaa) | (v0 & 0x55555555); - left = ((left << 6) & 0x33003300) - | (left & 0xcc33cc33) - | ((left >> 6) & 0x00cc00cc); - left = ((left << 12) & 0x0f0f0000) - | (left & 0xf0f00f0f) - | ((left >> 12) & 0x0000f0f0); - right = ((right << 6) & 0x33003300) - | (right & 0xcc33cc33) - | ((right >> 6) & 0x00cc00cc); - right = ((right << 12) & 0x0f0f0000) - | (right & 0xf0f00f0f) - | ((right >> 12) & 0x0000f0f0); - - if (decrypting) { - keystep = -2; - key = key + 32 - 2; - } else - keystep = 2; - for (i = 0; i < 8; i++) { - v0 = key[0]; - v0 ^= (right >> 1) | (right << 31); - left ^= fetch(0, v0, 24) - ^ fetch(2, v0, 16) - ^ fetch(4, v0, 8) - ^ fetch(6, v0, 0); - v1 = key[1]; - v1 ^= (right << 3) | (right >> 29); - left ^= fetch(1, v1, 24) - ^ fetch(3, v1, 16) - ^ fetch(5, v1, 8) - ^ fetch(7, v1, 0); - key += keystep; - - v0 = key[0]; - v0 ^= (left >> 1) | (left << 31); - right ^= fetch(0, v0, 24) - ^ fetch(2, v0, 16) - ^ fetch(4, v0, 8) - ^ fetch(6, v0, 0); - v1 = key[1]; - v1 ^= (left << 3) | (left >> 29); - right ^= fetch(1, v1, 24) - ^ fetch(3, v1, 16) - ^ fetch(5, v1, 8) - ^ fetch(7, v1, 0); - key += keystep; - } - - /* - * final permutation, inverse initial permutation - */ - v0 = ((left << 1) & 0xaaaaaaaa) | (right & 0x55555555); - v1 = (left & 0xaaaaaaaa) | ((right >> 1) & 0x55555555); - v1 = ((v1 << 6) & 0x33003300) - | (v1 & 0xcc33cc33) - | ((v1 >> 6) & 0x00cc00cc); - v1 = ((v1 << 12) & 0x0f0f0000) - | (v1 & 0xf0f00f0f) - | ((v1 >> 12) & 0x0000f0f0); - v0 = ((v0 << 6) & 0x33003300) - | (v0 & 0xcc33cc33) - | ((v0 >> 6) & 0x00cc00cc); - v0 = ((v0 << 12) & 0x0f0f0000) - | (v0 & 0xf0f00f0f) - | ((v0 >> 12) & 0x0000f0f0); - text[0] = v0; - text[2] = v0 >> 8; - text[4] = v0 >> 16; - text[6] = v0 >> 24; - text[1] = v1; - text[3] = v1 >> 8; - text[5] = v1 >> 16; - text[7] = v1 >> 24; -} - -/* - * triple DES electronic codebook encryption of one block - */ -void -triple_block_cipher(ulong expanded_key[3][32], uchar text[8], int ende) -{ - ulong *key; - u32int right, left, v0, v1; - int i, j, keystep; - - /* - * initial permutation - */ - v0 = text[0] | ((u32int)text[2]<<8) | ((u32int)text[4]<<16) | ((u32int)text[6]<<24); - left = text[1] | ((u32int)text[3]<<8) | ((u32int)text[5]<<16) | ((u32int)text[7]<<24); - right = (left & 0xaaaaaaaa) | ((v0 >> 1) & 0x55555555); - left = ((left << 1) & 0xaaaaaaaa) | (v0 & 0x55555555); - left = ((left << 6) & 0x33003300) - | (left & 0xcc33cc33) - | ((left >> 6) & 0x00cc00cc); - left = ((left << 12) & 0x0f0f0000) - | (left & 0xf0f00f0f) - | ((left >> 12) & 0x0000f0f0); - right = ((right << 6) & 0x33003300) - | (right & 0xcc33cc33) - | ((right >> 6) & 0x00cc00cc); - right = ((right << 12) & 0x0f0f0000) - | (right & 0xf0f00f0f) - | ((right >> 12) & 0x0000f0f0); - - for(j = 0; j < 3; j++){ - if((ende & 1) == DES3D) { - key = &expanded_key[2-j][32-2]; - keystep = -2; - } else { - key = &expanded_key[j][0]; - keystep = 2; - } - ende >>= 1; - for (i = 0; i < 8; i++) { - v0 = key[0]; - v0 ^= (right >> 1) | (right << 31); - left ^= fetch(0, v0, 24) - ^ fetch(2, v0, 16) - ^ fetch(4, v0, 8) - ^ fetch(6, v0, 0); - v1 = key[1]; - v1 ^= (right << 3) | (right >> 29); - left ^= fetch(1, v1, 24) - ^ fetch(3, v1, 16) - ^ fetch(5, v1, 8) - ^ fetch(7, v1, 0); - key += keystep; - - v0 = key[0]; - v0 ^= (left >> 1) | (left << 31); - right ^= fetch(0, v0, 24) - ^ fetch(2, v0, 16) - ^ fetch(4, v0, 8) - ^ fetch(6, v0, 0); - v1 = key[1]; - v1 ^= (left << 3) | (left >> 29); - right ^= fetch(1, v1, 24) - ^ fetch(3, v1, 16) - ^ fetch(5, v1, 8) - ^ fetch(7, v1, 0); - key += keystep; - } - - v0 = left; - left = right; - right = v0; - } - - /* - * final permutation, inverse initial permutation - * left and right are swapped here - */ - v0 = ((right << 1) & 0xaaaaaaaa) | (left & 0x55555555); - v1 = (right & 0xaaaaaaaa) | ((left >> 1) & 0x55555555); - v1 = ((v1 << 6) & 0x33003300) - | (v1 & 0xcc33cc33) - | ((v1 >> 6) & 0x00cc00cc); - v1 = ((v1 << 12) & 0x0f0f0000) - | (v1 & 0xf0f00f0f) - | ((v1 >> 12) & 0x0000f0f0); - v0 = ((v0 << 6) & 0x33003300) - | (v0 & 0xcc33cc33) - | ((v0 >> 6) & 0x00cc00cc); - v0 = ((v0 << 12) & 0x0f0f0000) - | (v0 & 0xf0f00f0f) - | ((v0 >> 12) & 0x0000f0f0); - text[0] = v0; - text[2] = v0 >> 8; - text[4] = v0 >> 16; - text[6] = v0 >> 24; - text[1] = v1; - text[3] = v1 >> 8; - text[5] = v1 >> 16; - text[7] = v1 >> 24; -} - -/* - * key compression permutation, 4 bits at a time - */ -static u32int comptab[] = { - -0x000000,0x010000,0x000008,0x010008,0x000080,0x010080,0x000088,0x010088, -0x000000,0x010000,0x000008,0x010008,0x000080,0x010080,0x000088,0x010088, - -0x000000,0x100000,0x000800,0x100800,0x000000,0x100000,0x000800,0x100800, -0x002000,0x102000,0x002800,0x102800,0x002000,0x102000,0x002800,0x102800, - -0x000000,0x000004,0x000400,0x000404,0x000000,0x000004,0x000400,0x000404, -0x400000,0x400004,0x400400,0x400404,0x400000,0x400004,0x400400,0x400404, - -0x000000,0x000020,0x008000,0x008020,0x800000,0x800020,0x808000,0x808020, -0x000002,0x000022,0x008002,0x008022,0x800002,0x800022,0x808002,0x808022, - -0x000000,0x000200,0x200000,0x200200,0x001000,0x001200,0x201000,0x201200, -0x000000,0x000200,0x200000,0x200200,0x001000,0x001200,0x201000,0x201200, - -0x000000,0x000040,0x000010,0x000050,0x004000,0x004040,0x004010,0x004050, -0x040000,0x040040,0x040010,0x040050,0x044000,0x044040,0x044010,0x044050, - -0x000000,0x000100,0x020000,0x020100,0x000001,0x000101,0x020001,0x020101, -0x080000,0x080100,0x0a0000,0x0a0100,0x080001,0x080101,0x0a0001,0x0a0101, - -0x000000,0x000100,0x040000,0x040100,0x000000,0x000100,0x040000,0x040100, -0x000040,0x000140,0x040040,0x040140,0x000040,0x000140,0x040040,0x040140, - -0x000000,0x400000,0x008000,0x408000,0x000008,0x400008,0x008008,0x408008, -0x000400,0x400400,0x008400,0x408400,0x000408,0x400408,0x008408,0x408408, - -0x000000,0x001000,0x080000,0x081000,0x000020,0x001020,0x080020,0x081020, -0x004000,0x005000,0x084000,0x085000,0x004020,0x005020,0x084020,0x085020, - -0x000000,0x000800,0x000000,0x000800,0x000010,0x000810,0x000010,0x000810, -0x800000,0x800800,0x800000,0x800800,0x800010,0x800810,0x800010,0x800810, - -0x000000,0x010000,0x000200,0x010200,0x000000,0x010000,0x000200,0x010200, -0x100000,0x110000,0x100200,0x110200,0x100000,0x110000,0x100200,0x110200, - -0x000000,0x000004,0x000000,0x000004,0x000080,0x000084,0x000080,0x000084, -0x002000,0x002004,0x002000,0x002004,0x002080,0x002084,0x002080,0x002084, - -0x000000,0x000001,0x200000,0x200001,0x020000,0x020001,0x220000,0x220001, -0x000002,0x000003,0x200002,0x200003,0x020002,0x020003,0x220002,0x220003, -}; - -static int keysh[] = -{ - 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, -}; - -static void -keycompperm(u32int left, u32int right, ulong *ek) -{ - u32int v0, v1; - int i; - - for(i = 0; i < 16; i++){ - left = (left << keysh[i]) | (left >> (28 - keysh[i])); - left &= 0xfffffff0; - right = (right << keysh[i]) | (right >> (28 - keysh[i])); - right &= 0xfffffff0; - v0 = comptab[6 * (1 << 4) + ((left >> (32-4)) & 0xf)] - | comptab[5 * (1 << 4) + ((left >> (32-8)) & 0xf)] - | comptab[4 * (1 << 4) + ((left >> (32-12)) & 0xf)] - | comptab[3 * (1 << 4) + ((left >> (32-16)) & 0xf)] - | comptab[2 * (1 << 4) + ((left >> (32-20)) & 0xf)] - | comptab[1 * (1 << 4) + ((left >> (32-24)) & 0xf)] - | comptab[0 * (1 << 4) + ((left >> (32-28)) & 0xf)]; - v1 = comptab[13 * (1 << 4) + ((right >> (32-4)) & 0xf)] - | comptab[12 * (1 << 4) + ((right >> (32-8)) & 0xf)] - | comptab[11 * (1 << 4) + ((right >> (32-12)) & 0xf)] - | comptab[10 * (1 << 4) + ((right >> (32-16)) & 0xf)] - | comptab[9 * (1 << 4) + ((right >> (32-20)) & 0xf)] - | comptab[8 * (1 << 4) + ((right >> (32-24)) & 0xf)] - | comptab[7 * (1 << 4) + ((right >> (32-28)) & 0xf)]; - ek[0] = (((v0 >> (24-6)) & 0x3f) << 26) - | (((v0 >> (24-18)) & 0x3f) << 18) - | (((v1 >> (24-6)) & 0x3f) << 10) - | (((v1 >> (24-18)) & 0x3f) << 2); - ek[1] = (((v0 >> (24-12)) & 0x3f) << 26) - | (((v0 >> (24-24)) & 0x3f) << 18) - | (((v1 >> (24-12)) & 0x3f) << 10) - | (((v1 >> (24-24)) & 0x3f) << 2); - ek += 2; - } -} - -void -des_key_setup(uchar key[8], ulong *ek) -{ - u32int left, right, v0, v1; - - v0 = key[0] | ((u32int)key[2] << 8) | ((u32int)key[4] << 16) | ((u32int)key[6] << 24); - v1 = key[1] | ((u32int)key[3] << 8) | ((u32int)key[5] << 16) | ((u32int)key[7] << 24); - left = ((v0 >> 1) & 0x40404040) - | ((v0 >> 2) & 0x10101010) - | ((v0 >> 3) & 0x04040404) - | ((v0 >> 4) & 0x01010101) - | ((v1 >> 0) & 0x80808080) - | ((v1 >> 1) & 0x20202020) - | ((v1 >> 2) & 0x08080808) - | ((v1 >> 3) & 0x02020202); - right = ((v0 >> 1) & 0x04040404) - | ((v0 << 2) & 0x10101010) - | ((v0 << 5) & 0x40404040) - | ((v1 << 0) & 0x08080808) - | ((v1 << 3) & 0x20202020) - | ((v1 << 6) & 0x80808080); - left = ((left << 6) & 0x33003300) - | (left & 0xcc33cc33) - | ((left >> 6) & 0x00cc00cc); - v0 = ((left << 12) & 0x0f0f0000) - | (left & 0xf0f00f0f) - | ((left >> 12) & 0x0000f0f0); - right = ((right << 6) & 0x33003300) - | (right & 0xcc33cc33) - | ((right >> 6) & 0x00cc00cc); - v1 = ((right << 12) & 0x0f0f0000) - | (right & 0xf0f00f0f) - | ((right >> 12) & 0x0000f0f0); - left = v0 & 0xfffffff0; - right = (v1 & 0xffffff00) | ((v0 << 4) & 0xf0); - - keycompperm(left, right, ek); -} - -static uchar parity[128] = -{ - 0x01, 0x02, 0x04, 0x07, 0x08, 0x0b, 0x0d, 0x0e, - 0x10, 0x13, 0x15, 0x16, 0x19, 0x1a, 0x1c, 0x1f, - 0x20, 0x23, 0x25, 0x26, 0x29, 0x2a, 0x2c, 0x2f, - 0x31, 0x32, 0x34, 0x37, 0x38, 0x3b, 0x3d, 0x3e, - 0x40, 0x43, 0x45, 0x46, 0x49, 0x4a, 0x4c, 0x4f, - 0x51, 0x52, 0x54, 0x57, 0x58, 0x5b, 0x5d, 0x5e, - 0x61, 0x62, 0x64, 0x67, 0x68, 0x6b, 0x6d, 0x6e, - 0x70, 0x73, 0x75, 0x76, 0x79, 0x7a, 0x7c, 0x7f, - 0x80, 0x83, 0x85, 0x86, 0x89, 0x8a, 0x8c, 0x8f, - 0x91, 0x92, 0x94, 0x97, 0x98, 0x9b, 0x9d, 0x9e, - 0xa1, 0xa2, 0xa4, 0xa7, 0xa8, 0xab, 0xad, 0xae, - 0xb0, 0xb3, 0xb5, 0xb6, 0xb9, 0xba, 0xbc, 0xbf, - 0xc1, 0xc2, 0xc4, 0xc7, 0xc8, 0xcb, 0xcd, 0xce, - 0xd0, 0xd3, 0xd5, 0xd6, 0xd9, 0xda, 0xdc, 0xdf, - 0xe0, 0xe3, 0xe5, 0xe6, 0xe9, 0xea, 0xec, 0xef, - 0xf1, 0xf2, 0xf4, 0xf7, 0xf8, 0xfb, 0xfd, 0xfe, -}; - -/* - * convert a 7 byte key to an 8 byte one - */ -void -des56to64(uchar *k56, uchar *k64) -{ - u32int hi, lo; - - hi = ((u32int)k56[0]<<24)|((u32int)k56[1]<<16)|((u32int)k56[2]<<8)|k56[3]; - lo = ((u32int)k56[4]<<24)|((u32int)k56[5]<<16)|((u32int)k56[6]<<8); - - k64[0] = parity[(hi>>25)&0x7f]; - k64[1] = parity[(hi>>18)&0x7f]; - k64[2] = parity[(hi>>11)&0x7f]; - k64[3] = parity[(hi>>4)&0x7f]; - k64[4] = parity[((hi<<3)|(lo>>29))&0x7f]; - k64[5] = parity[(lo>>22)&0x7f]; - k64[6] = parity[(lo>>15)&0x7f]; - k64[7] = parity[(lo>>8)&0x7f]; -} - -/* - * convert an 8 byte key to a 7 byte one - */ -void -des64to56(uchar *k64, uchar *k56) -{ - u32int hi, lo; - - hi = (((u32int)k64[0]&0xfe)<<24)|(((u32int)k64[1]&0xfe)<<17)|(((u32int)k64[2]&0xfe)<<10) - |((k64[3]&0xfe)<<3)|(k64[4]>>4); - lo = (((u32int)k64[4]&0xfe)<<28)|(((u32int)k64[5]&0xfe)<<21)|(((u32int)k64[6]&0xfe)<<14) - |(((u32int)k64[7]&0xfe)<<7); - - k56[0] = hi>>24; - k56[1] = hi>>16; - k56[2] = hi>>8; - k56[3] = hi>>0; - k56[4] = lo>>24; - k56[5] = lo>>16; - k56[6] = lo>>8; -} - -void -key_setup(uchar key[7], ulong *ek) -{ - uchar k64[8]; - - des56to64(key, k64); - des_key_setup(k64, ek); -} diff --git a/sys/src/cmd/unix/drawterm/libsec/des3CBC.c b/sys/src/cmd/unix/drawterm/libsec/des3CBC.c deleted file mode 100644 index 263293004..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/des3CBC.c +++ /dev/null @@ -1,59 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -// Because of the way that non multiple of 8 -// buffers are handled, the decryptor must -// be fed buffers of the same size as the -// encryptor - - -// If the length is not a multiple of 8, I encrypt -// the overflow to be compatible with lacy's cryptlib -void -des3CBCencrypt(uchar *p, int len, DES3state *s) -{ - uchar *p2, *ip, *eip; - - for(; len >= 8; len -= 8){ - p2 = p; - ip = s->ivec; - for(eip = ip+8; ip < eip; ) - *p2++ ^= *ip++; - triple_block_cipher(s->expanded, p, DES3EDE); - memmove(s->ivec, p, 8); - p += 8; - } - - if(len > 0){ - ip = s->ivec; - triple_block_cipher(s->expanded, ip, DES3EDE); - for(eip = ip+len; ip < eip; ) - *p++ ^= *ip++; - } -} - -void -des3CBCdecrypt(uchar *p, int len, DES3state *s) -{ - uchar *ip, *eip, *tp; - uchar tmp[8]; - - for(; len >= 8; len -= 8){ - memmove(tmp, p, 8); - triple_block_cipher(s->expanded, p, DES3DED); - tp = tmp; - ip = s->ivec; - for(eip = ip+8; ip < eip; ){ - *p++ ^= *ip; - *ip++ = *tp++; - } - } - - if(len > 0){ - ip = s->ivec; - triple_block_cipher(s->expanded, ip, DES3EDE); - for(eip = ip+len; ip < eip; ) - *p++ ^= *ip++; - } -} diff --git a/sys/src/cmd/unix/drawterm/libsec/des3ECB.c b/sys/src/cmd/unix/drawterm/libsec/des3ECB.c deleted file mode 100644 index 324254b19..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/des3ECB.c +++ /dev/null @@ -1,48 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -// I wasn't sure what to do when the buffer was not -// a multiple of 8. I did what lacy's cryptolib did -// to be compatible, but it looks dangerous to me -// since its encrypting plain text with the key. -- presotto - -void -des3ECBencrypt(uchar *p, int len, DES3state *s) -{ - int i; - uchar tmp[8]; - - for(; len >= 8; len -= 8){ - triple_block_cipher(s->expanded, p, DES3EDE); - p += 8; - } - - if(len > 0){ - for (i=0; i<8; i++) - tmp[i] = i; - triple_block_cipher(s->expanded, tmp, DES3EDE); - for (i = 0; i < len; i++) - p[i] ^= tmp[i]; - } -} - -void -des3ECBdecrypt(uchar *p, int len, DES3state *s) -{ - int i; - uchar tmp[8]; - - for(; len >= 8; len -= 8){ - triple_block_cipher(s->expanded, p, DES3DED); - p += 8; - } - - if(len > 0){ - for (i=0; i<8; i++) - tmp[i] = i; - triple_block_cipher(s->expanded, tmp, DES3EDE); - for (i = 0; i < len; i++) - p[i] ^= tmp[i]; - } -} diff --git a/sys/src/cmd/unix/drawterm/libsec/desCBC.c b/sys/src/cmd/unix/drawterm/libsec/desCBC.c deleted file mode 100644 index ecee29e80..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/desCBC.c +++ /dev/null @@ -1,59 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -// Because of the way that non multiple of 8 -// buffers are handled, the decryptor must -// be fed buffers of the same size as the -// encryptor - - -// If the length is not a multiple of 8, I encrypt -// the overflow to be compatible with lacy's cryptlib -void -desCBCencrypt(uchar *p, int len, DESstate *s) -{ - uchar *p2, *ip, *eip; - - for(; len >= 8; len -= 8){ - p2 = p; - ip = s->ivec; - for(eip = ip+8; ip < eip; ) - *p2++ ^= *ip++; - block_cipher(s->expanded, p, 0); - memmove(s->ivec, p, 8); - p += 8; - } - - if(len > 0){ - ip = s->ivec; - block_cipher(s->expanded, ip, 0); - for(eip = ip+len; ip < eip; ) - *p++ ^= *ip++; - } -} - -void -desCBCdecrypt(uchar *p, int len, DESstate *s) -{ - uchar *ip, *eip, *tp; - uchar tmp[8]; - - for(; len >= 8; len -= 8){ - memmove(tmp, p, 8); - block_cipher(s->expanded, p, 1); - tp = tmp; - ip = s->ivec; - for(eip = ip+8; ip < eip; ){ - *p++ ^= *ip; - *ip++ = *tp++; - } - } - - if(len > 0){ - ip = s->ivec; - block_cipher(s->expanded, ip, 0); - for(eip = ip+len; ip < eip; ) - *p++ ^= *ip++; - } -} diff --git a/sys/src/cmd/unix/drawterm/libsec/desECB.c b/sys/src/cmd/unix/drawterm/libsec/desECB.c deleted file mode 100644 index a9ad00185..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/desECB.c +++ /dev/null @@ -1,48 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -// I wasn't sure what to do when the buffer was not -// a multiple of 8. I did what lacy's cryptolib did -// to be compatible, but it looks dangerous to me -// since its encrypting plain text with the key. -- presotto - -void -desECBencrypt(uchar *p, int len, DESstate *s) -{ - int i; - uchar tmp[8]; - - for(; len >= 8; len -= 8){ - block_cipher(s->expanded, p, 0); - p += 8; - } - - if(len > 0){ - for (i=0; i<8; i++) - tmp[i] = i; - block_cipher(s->expanded, tmp, 0); - for (i = 0; i < len; i++) - p[i] ^= tmp[i]; - } -} - -void -desECBdecrypt(uchar *p, int len, DESstate *s) -{ - int i; - uchar tmp[8]; - - for(; len >= 8; len -= 8){ - block_cipher(s->expanded, p, 1); - p += 8; - } - - if(len > 0){ - for (i=0; i<8; i++) - tmp[i] = i; - block_cipher(s->expanded, tmp, 0); - for (i = 0; i < len; i++) - p[i] ^= tmp[i]; - } -} diff --git a/sys/src/cmd/unix/drawterm/libsec/desmodes.c b/sys/src/cmd/unix/drawterm/libsec/desmodes.c deleted file mode 100644 index da6d98410..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/desmodes.c +++ /dev/null @@ -1,31 +0,0 @@ -#include "os.h" -#include <libsec.h> - -/* - * these routines use the 64bit format for - * DES keys. - */ - -void -setupDESstate(DESstate *s, uchar key[8], uchar *ivec) -{ - memset(s, 0, sizeof(*s)); - memmove(s->key, key, sizeof(s->key)); - des_key_setup(key, s->expanded); - if(ivec) - memmove(s->ivec, ivec, 8); - s->setup = 0xdeadbeef; -} - -void -setupDES3state(DES3state *s, uchar key[3][8], uchar *ivec) -{ - memset(s, 0, sizeof(*s)); - memmove(s->key, key, sizeof(s->key)); - des_key_setup(key[0], s->expanded[0]); - des_key_setup(key[1], s->expanded[1]); - des_key_setup(key[2], s->expanded[2]); - if(ivec) - memmove(s->ivec, ivec, 8); - s->setup = 0xdeadbeef; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/dsaalloc.c b/sys/src/cmd/unix/drawterm/libsec/dsaalloc.c deleted file mode 100644 index 6a48f03eb..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/dsaalloc.c +++ /dev/null @@ -1,69 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -DSApub* -dsapuballoc(void) -{ - DSApub *dsa; - - dsa = mallocz(sizeof(*dsa), 1); - if(dsa == nil) - sysfatal("dsapuballoc"); - return dsa; -} - -void -dsapubfree(DSApub *dsa) -{ - if(dsa == nil) - return; - mpfree(dsa->p); - mpfree(dsa->q); - mpfree(dsa->alpha); - mpfree(dsa->key); -} - - -DSApriv* -dsaprivalloc(void) -{ - DSApriv *dsa; - - dsa = mallocz(sizeof(*dsa), 1); - if(dsa == nil) - sysfatal("dsaprivalloc"); - return dsa; -} - -void -dsaprivfree(DSApriv *dsa) -{ - if(dsa == nil) - return; - mpfree(dsa->pub.p); - mpfree(dsa->pub.q); - mpfree(dsa->pub.alpha); - mpfree(dsa->pub.key); - mpfree(dsa->secret); -} - -DSAsig* -dsasigalloc(void) -{ - DSAsig *dsa; - - dsa = mallocz(sizeof(*dsa), 1); - if(dsa == nil) - sysfatal("dsasigalloc"); - return dsa; -} - -void -dsasigfree(DSAsig *dsa) -{ - if(dsa == nil) - return; - mpfree(dsa->r); - mpfree(dsa->s); -} diff --git a/sys/src/cmd/unix/drawterm/libsec/dsagen.c b/sys/src/cmd/unix/drawterm/libsec/dsagen.c deleted file mode 100644 index ccdd918df..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/dsagen.c +++ /dev/null @@ -1,61 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -DSApriv* -dsagen(DSApub *opub) -{ - DSApub *pub; - DSApriv *priv; - mpint *exp; - mpint *g; - mpint *r; - int bits; - - priv = dsaprivalloc(); - pub = &priv->pub; - - if(opub != nil){ - pub->p = mpcopy(opub->p); - pub->q = mpcopy(opub->q); - } else { - pub->p = mpnew(0); - pub->q = mpnew(0); - DSAprimes(pub->q, pub->p, nil); - } - bits = Dbits*pub->p->top; - - pub->alpha = mpnew(0); - pub->key = mpnew(0); - priv->secret = mpnew(0); - - // find a generator alpha of the multiplicative - // group Z*p, i.e., of order n = p-1. We use the - // fact that q divides p-1 to reduce the exponent. - // - // This isn't very efficient. If anyone has a better - // idea, mail presotto@closedmind.org - exp = mpnew(0); - g = mpnew(0); - r = mpnew(0); - mpsub(pub->p, mpone, exp); - mpdiv(exp, pub->q, exp, r); - if(mpcmp(r, mpzero) != 0) - sysfatal("dsagen foul up"); - while(1){ - mprand(bits, genrandom, g); - mpmod(g, pub->p, g); - mpexp(g, exp, pub->p, pub->alpha); - if(mpcmp(pub->alpha, mpone) != 0) - break; - } - mpfree(g); - mpfree(exp); - - // create the secret key - mprand(bits, genrandom, priv->secret); - mpmod(priv->secret, pub->p, priv->secret); - mpexp(pub->alpha, priv->secret, pub->p, pub->key); - - return priv; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/dsaprimes.c b/sys/src/cmd/unix/drawterm/libsec/dsaprimes.c deleted file mode 100644 index ff1dd5d87..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/dsaprimes.c +++ /dev/null @@ -1,97 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -// NIST algorithm for generating DSA primes -// Menezes et al (1997) Handbook of Applied Cryptography, p.151 -// q is a 160-bit prime; p is a 1024-bit prime; q divides p-1 - -// arithmetic on unsigned ints mod 2**160, represented -// as 20-byte, little-endian uchar array - -static void -Hrand(uchar *s) -{ - ulong *u = (ulong*)s; - *u++ = fastrand(); - *u++ = fastrand(); - *u++ = fastrand(); - *u++ = fastrand(); - *u = fastrand(); -} - -static void -Hincr(uchar *s) -{ - int i; - for(i=0; i<20; i++) - if(++s[i]!=0) - break; -} - -// this can run for quite a while; be patient -void -DSAprimes(mpint *q, mpint *p, uchar seed[SHA1dlen]) -{ - int i, j, k, n = 6, b = 63; - uchar s[SHA1dlen], Hs[SHA1dlen], Hs1[SHA1dlen], sj[SHA1dlen], sjk[SHA1dlen]; - mpint *two1023, *mb, *Vk, *W, *X, *q2; - - two1023 = mpnew(1024); - mpleft(mpone, 1023, two1023); - mb = mpnew(0); - mpleft(mpone, b, mb); - W = mpnew(1024); - Vk = mpnew(1024); - X = mpnew(0); - q2 = mpnew(0); -forever: - do{ - Hrand(s); - memcpy(sj, s, 20); - sha1(s, 20, Hs, 0); - Hincr(sj); - sha1(sj, 20, Hs1, 0); - for(i=0; i<20; i++) - Hs[i] ^= Hs1[i]; - Hs[0] |= 1; - Hs[19] |= 0x80; - letomp(Hs, 20, q); - }while(!probably_prime(q, 18)); - if(seed != nil) // allow skeptics to confirm computation - memmove(seed, s, SHA1dlen); - i = 0; - j = 2; - Hincr(sj); - mpleft(q, 1, q2); - while(i<4096){ - memcpy(sjk, sj, 20); - for(k=0; k <= n; k++){ - sha1(sjk, 20, Hs, 0); - letomp(Hs, 20, Vk); - if(k == n) - mpmod(Vk, mb, Vk); - mpleft(Vk, 160*k, Vk); - mpadd(W, Vk, W); - Hincr(sjk); - } - mpadd(W, two1023, X); - mpmod(X, q2, W); - mpsub(W, mpone, W); - mpsub(X, W, p); - if(mpcmp(p, two1023)>=0 && probably_prime(p, 5)) - goto done; - i += 1; - j += n+1; - for(k=0; k<n+1; k++) - Hincr(sj); - } - goto forever; -done: - mpfree(q2); - mpfree(X); - mpfree(Vk); - mpfree(W); - mpfree(mb); - mpfree(two1023); -} diff --git a/sys/src/cmd/unix/drawterm/libsec/dsaprivtopub.c b/sys/src/cmd/unix/drawterm/libsec/dsaprivtopub.c deleted file mode 100644 index e1790cae1..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/dsaprivtopub.c +++ /dev/null @@ -1,16 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -DSApub* -dsaprivtopub(DSApriv *priv) -{ - DSApub *pub; - - pub = dsapuballoc(); - pub->p = mpcopy(priv->pub.p); - pub->q = mpcopy(priv->pub.q); - pub->alpha = mpcopy(priv->pub.alpha); - pub->key = mpcopy(priv->pub.key); - return pub; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/dsasign.c b/sys/src/cmd/unix/drawterm/libsec/dsasign.c deleted file mode 100644 index abca3eb69..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/dsasign.c +++ /dev/null @@ -1,52 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -DSAsig* -dsasign(DSApriv *priv, mpint *m) -{ - DSApub *pub = &priv->pub; - DSAsig *sig; - mpint *qm1, *k, *kinv, *r, *s; - mpint *q = pub->q, *p = pub->p, *alpha = pub->alpha; - int qlen = mpsignif(q); - - qm1 = mpnew(0); - kinv = mpnew(0); - r = mpnew(0); - s = mpnew(0); - k = mpnew(0); - mpsub(pub->q, mpone, qm1); - - // find a k that has an inverse mod q - while(1){ - mprand(qlen, genrandom, k); - if((mpcmp(mpone, k) > 0) || (mpcmp(k, qm1) >= 0)) - continue; - mpextendedgcd(k, q, r, kinv, s); - if(mpcmp(r, mpone) != 0) - continue; - break; - } - - // make kinv positive - mpmod(kinv, qm1, kinv); - - // r = ((alpha**k) mod p) mod q - mpexp(alpha, k, p, r); - mpmod(r, q, r); - - // s = (kinv*(m + ar)) mod q - mpmul(r, priv->secret, s); - mpadd(s, m, s); - mpmul(s, kinv, s); - mpmod(s, q, s); - - sig = dsasigalloc(); - sig->r = r; - sig->s = s; - mpfree(qm1); - mpfree(k); - mpfree(kinv); - return sig; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/dsaverify.c b/sys/src/cmd/unix/drawterm/libsec/dsaverify.c deleted file mode 100644 index 23cee501f..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/dsaverify.c +++ /dev/null @@ -1,46 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -int -dsaverify(DSApub *pub, DSAsig *sig, mpint *m) -{ - int rv = -1; - mpint *u1, *u2, *v, *sinv; - - if(sig->r->sign < 0 || mpcmp(sig->r, pub->q) >= 0) - return rv; - if(sig->s->sign < 0 || mpcmp(sig->s, pub->q) >= 0) - return rv; - u1 = mpnew(0); - u2 = mpnew(0); - v = mpnew(0); - sinv = mpnew(0); - - // find (s**-1) mod q, make sure it exists - mpextendedgcd(sig->s, pub->q, u1, sinv, v); - if(mpcmp(u1, mpone) != 0) - goto out; - - // u1 = (sinv * m) mod q, u2 = (r * sinv) mod q - mpmul(sinv, m, u1); - mpmod(u1, pub->q, u1); - mpmul(sig->r, sinv, u2); - mpmod(u2, pub->q, u2); - - // v = (((alpha**u1)*(key**u2)) mod p) mod q - mpexp(pub->alpha, u1, pub->p, sinv); - mpexp(pub->key, u2, pub->p, v); - mpmul(sinv, v, v); - mpmod(v, pub->p, v); - mpmod(v, pub->q, v); - - if(mpcmp(v, sig->r) == 0) - rv = 0; -out: - mpfree(v); - mpfree(u1); - mpfree(u2); - mpfree(sinv); - return rv; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/egalloc.c b/sys/src/cmd/unix/drawterm/libsec/egalloc.c deleted file mode 100644 index d7c940a16..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/egalloc.c +++ /dev/null @@ -1,67 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -EGpub* -egpuballoc(void) -{ - EGpub *eg; - - eg = mallocz(sizeof(*eg), 1); - if(eg == nil) - sysfatal("egpuballoc"); - return eg; -} - -void -egpubfree(EGpub *eg) -{ - if(eg == nil) - return; - mpfree(eg->p); - mpfree(eg->alpha); - mpfree(eg->key); -} - - -EGpriv* -egprivalloc(void) -{ - EGpriv *eg; - - eg = mallocz(sizeof(*eg), 1); - if(eg == nil) - sysfatal("egprivalloc"); - return eg; -} - -void -egprivfree(EGpriv *eg) -{ - if(eg == nil) - return; - mpfree(eg->pub.p); - mpfree(eg->pub.alpha); - mpfree(eg->pub.key); - mpfree(eg->secret); -} - -EGsig* -egsigalloc(void) -{ - EGsig *eg; - - eg = mallocz(sizeof(*eg), 1); - if(eg == nil) - sysfatal("egsigalloc"); - return eg; -} - -void -egsigfree(EGsig *eg) -{ - if(eg == nil) - return; - mpfree(eg->r); - mpfree(eg->s); -} diff --git a/sys/src/cmd/unix/drawterm/libsec/egdecrypt.c b/sys/src/cmd/unix/drawterm/libsec/egdecrypt.c deleted file mode 100644 index 245788006..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/egdecrypt.c +++ /dev/null @@ -1,28 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -mpint* -egdecrypt(EGpriv *priv, mpint *in, mpint *out) -{ - EGpub *pub = &priv->pub; - mpint *gamma, *delta; - mpint *p = pub->p; - int plen = mpsignif(p)+1; - int shift = ((plen+Dbits-1)/Dbits)*Dbits; - - if(out == nil) - out = mpnew(0); - gamma = mpnew(0); - delta = mpnew(0); - mpright(in, shift, gamma); - mpleft(gamma, shift, delta); - mpsub(in, delta, delta); - mpexp(gamma, priv->secret, p, out); - mpinvert(out, p, gamma); - mpmul(gamma, delta, out); - mpmod(out, p, out); - mpfree(gamma); - mpfree(delta); - return out; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/egencrypt.c b/sys/src/cmd/unix/drawterm/libsec/egencrypt.c deleted file mode 100644 index 9b6b12c6c..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/egencrypt.c +++ /dev/null @@ -1,38 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -mpint* -egencrypt(EGpub *pub, mpint *in, mpint *out) -{ - mpint *m, *k, *gamma, *delta, *pm1; - mpint *p = pub->p, *alpha = pub->alpha; - int plen = mpsignif(p); - int shift = ((plen+Dbits)/Dbits)*Dbits; - // in libcrypt version, (int)(LENGTH(pub->p)*sizeof(NumType)*CHARBITS); - - if(out == nil) - out = mpnew(0); - pm1 = mpnew(0); - m = mpnew(0); - gamma = mpnew(0); - delta = mpnew(0); - mpmod(in, p, m); - while(1){ - k = mprand(plen, genrandom, nil); - if((mpcmp(mpone, k) <= 0) && (mpcmp(k, pm1) < 0)) - break; - } - mpexp(alpha, k, p, gamma); - mpexp(pub->key, k, p, delta); - mpmul(m, delta, delta); - mpmod(delta, p, delta); - mpleft(gamma, shift, out); - mpadd(delta, out, out); - mpfree(pm1); - mpfree(m); - mpfree(k); - mpfree(gamma); - mpfree(delta); - return out; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/eggen.c b/sys/src/cmd/unix/drawterm/libsec/eggen.c deleted file mode 100644 index 9ea7d9988..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/eggen.c +++ /dev/null @@ -1,21 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -EGpriv* -eggen(int nlen, int rounds) -{ - EGpub *pub; - EGpriv *priv; - - priv = egprivalloc(); - pub = &priv->pub; - pub->p = mpnew(0); - pub->alpha = mpnew(0); - pub->key = mpnew(0); - priv->secret = mpnew(0); - gensafeprime(pub->p, pub->alpha, nlen, rounds); - mprand(nlen-1, genrandom, priv->secret); - mpexp(pub->alpha, priv->secret, pub->p, pub->key); - return priv; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/egprivtopub.c b/sys/src/cmd/unix/drawterm/libsec/egprivtopub.c deleted file mode 100644 index e22c5c311..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/egprivtopub.c +++ /dev/null @@ -1,17 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -EGpub* -egprivtopub(EGpriv *priv) -{ - EGpub *pub; - - pub = egpuballoc(); - if(pub == nil) - return nil; - pub->p = mpcopy(priv->pub.p); - pub->alpha = mpcopy(priv->pub.alpha); - pub->key = mpcopy(priv->pub.key); - return pub; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/egsign.c b/sys/src/cmd/unix/drawterm/libsec/egsign.c deleted file mode 100644 index 10540041c..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/egsign.c +++ /dev/null @@ -1,43 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -EGsig* -egsign(EGpriv *priv, mpint *m) -{ - EGpub *pub = &priv->pub; - EGsig *sig; - mpint *pm1, *k, *kinv, *r, *s; - mpint *p = pub->p, *alpha = pub->alpha; - int plen = mpsignif(p); - - pm1 = mpnew(0); - kinv = mpnew(0); - r = mpnew(0); - s = mpnew(0); - k = mpnew(0); - mpsub(p, mpone, pm1); - while(1){ - mprand(plen, genrandom, k); - if((mpcmp(mpone, k) > 0) || (mpcmp(k, pm1) >= 0)) - continue; - mpextendedgcd(k, pm1, r, kinv, s); - if(mpcmp(r, mpone) != 0) - continue; - break; - } - mpmod(kinv, pm1, kinv); // make kinv positive - mpexp(alpha, k, p, r); - mpmul(priv->secret, r, s); - mpmod(s, pm1, s); - mpsub(m, s, s); - mpmul(kinv, s, s); - mpmod(s, pm1, s); - sig = egsigalloc(); - sig->r = r; - sig->s = s; - mpfree(pm1); - mpfree(k); - mpfree(kinv); - return sig; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/egtest.c b/sys/src/cmd/unix/drawterm/libsec/egtest.c deleted file mode 100644 index 41b438dcf..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/egtest.c +++ /dev/null @@ -1,34 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -void -main(void) -{ - EGpriv *sk; - mpint *m, *gamma, *delta, *in, *out; - int plen, shift; - - fmtinstall('B', mpconv); - - sk = egprivalloc(); - sk->pub.p = uitomp(2357, nil); - sk->pub.alpha = uitomp(2, nil); - sk->pub.key = uitomp(1185, nil); - sk->secret = uitomp(1751, nil); - - m = uitomp(2035, nil); - - plen = mpsignif(sk->pub.p)+1; - shift = ((plen+Dbits-1)/Dbits)*Dbits; - gamma = uitomp(1430, nil); - delta = uitomp(697, nil); - out = mpnew(0); - in = mpnew(0); - mpleft(gamma, shift, in); - mpadd(delta, in, in); - egdecrypt(sk, in, out); - - if(mpcmp(m, out) != 0) - print("decrypt failed to recover message\n"); -} diff --git a/sys/src/cmd/unix/drawterm/libsec/egverify.c b/sys/src/cmd/unix/drawterm/libsec/egverify.c deleted file mode 100644 index 29a95156c..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/egverify.c +++ /dev/null @@ -1,29 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -int -egverify(EGpub *pub, EGsig *sig, mpint *m) -{ - mpint *p = pub->p, *alpha = pub->alpha; - mpint *r = sig->r, *s = sig->s; - mpint *v1, *v2, *rs; - int rv = -1; - - if(mpcmp(r, mpone) < 0 || mpcmp(r, p) >= 0) - return rv; - v1 = mpnew(0); - rs = mpnew(0); - v2 = mpnew(0); - mpexp(pub->key, r, p, v1); - mpexp(r, s, p, rs); - mpmul(v1, rs, v1); - mpmod(v1, p, v1); - mpexp(alpha, m, p, v2); - if(mpcmp(v1, v2) == 0) - rv = 0; - mpfree(v1); - mpfree(rs); - mpfree(v2); - return rv; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/fastrand.c b/sys/src/cmd/unix/drawterm/libsec/fastrand.c deleted file mode 100644 index 145712774..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/fastrand.c +++ /dev/null @@ -1,16 +0,0 @@ -#include <u.h> -#include <libc.h> -#include <libsec.h> - -/* - * use the X917 random number generator to create random - * numbers (faster than truerand() but not as random). - */ -ulong -fastrand(void) -{ - ulong x; - - genrandom((uchar*)&x, sizeof x); - return x; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/genprime.c b/sys/src/cmd/unix/drawterm/libsec/genprime.c deleted file mode 100644 index c0e16d92b..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/genprime.c +++ /dev/null @@ -1,27 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -// generate a probable prime. accuracy is the miller-rabin interations -void -genprime(mpint *p, int n, int accuracy) -{ - mpdigit x; - - // generate n random bits with high and low bits set - mpbits(p, n); - genrandom((uchar*)p->p, (n+7)/8); - p->top = (n+Dbits-1)/Dbits; - x = 1; - x <<= ((n-1)%Dbits); - p->p[p->top-1] &= (x-1); - p->p[p->top-1] |= x; - p->p[0] |= 1; - - // keep icrementing till it looks prime - for(;;){ - if(probably_prime(p, accuracy)) - break; - mpadd(p, mptwo, p); - } -} diff --git a/sys/src/cmd/unix/drawterm/libsec/genrandom.c b/sys/src/cmd/unix/drawterm/libsec/genrandom.c deleted file mode 100644 index 2cbaeb8c4..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/genrandom.c +++ /dev/null @@ -1,62 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -typedef struct State{ - QLock lock; - int seeded; - uvlong seed; - DES3state des3; -} State; -static State x917state; - -static void -X917(uchar *rand, int nrand) -{ - int i, m, n8; - uvlong I, x; - - /* 1. Compute intermediate value I = Ek(time). */ - I = nsec(); - triple_block_cipher(x917state.des3.expanded, (uchar*)&I, 0); /* two-key EDE */ - - /* 2. x[i] = Ek(I^seed); seed = Ek(x[i]^I); */ - m = (nrand+7)/8; - for(i=0; i<m; i++){ - x = I ^ x917state.seed; - triple_block_cipher(x917state.des3.expanded, (uchar*)&x, 0); - n8 = (nrand>8) ? 8 : nrand; - memcpy(rand, (uchar*)&x, n8); - rand += 8; - nrand -= 8; - x ^= I; - triple_block_cipher(x917state.des3.expanded, (uchar*)&x, 0); - x917state.seed = x; - } -} - -static void -X917init(void) -{ - int n; - uchar mix[128]; - uchar key3[3][8]; - ulong *ulp; - - ulp = (ulong*)key3; - for(n = 0; n < sizeof(key3)/sizeof(ulong); n++) - ulp[n] = truerand(); - setupDES3state(&x917state.des3, key3, nil); - X917(mix, sizeof mix); - x917state.seeded = 1; -} - -void -genrandom(uchar *p, int n) -{ - qlock(&x917state.lock); - if(x917state.seeded == 0) - X917init(); - X917(p, n); - qunlock(&x917state.lock); -} diff --git a/sys/src/cmd/unix/drawterm/libsec/gensafeprime.c b/sys/src/cmd/unix/drawterm/libsec/gensafeprime.c deleted file mode 100644 index e95c94c99..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/gensafeprime.c +++ /dev/null @@ -1,36 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -// find a prime p of length n and a generator alpha of Z^*_p -// Alg 4.86 Menezes et al () Handbook, p.164 -void -gensafeprime(mpint *p, mpint *alpha, int n, int accuracy) -{ - mpint *q, *b; - - q = mpnew(n-1); - while(1){ - genprime(q, n-1, accuracy); - mpleft(q, 1, p); - mpadd(p, mpone, p); // p = 2*q+1 - if(probably_prime(p, accuracy)) - break; - } - // now find a generator alpha of the multiplicative - // group Z*_p of order p-1=2q - b = mpnew(0); - while(1){ - mprand(n, genrandom, alpha); - mpmod(alpha, p, alpha); - mpmul(alpha, alpha, b); - mpmod(b, p, b); - if(mpcmp(b, mpone) == 0) - continue; - mpexp(alpha, q, p, b); - if(mpcmp(b, mpone) != 0) - break; - } - mpfree(b); - mpfree(q); -} diff --git a/sys/src/cmd/unix/drawterm/libsec/genstrongprime.c b/sys/src/cmd/unix/drawterm/libsec/genstrongprime.c deleted file mode 100644 index 27c43a966..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/genstrongprime.c +++ /dev/null @@ -1,57 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -// Gordon's algorithm for generating a strong prime -// Menezes et al () Handbook, p.150 -void -genstrongprime(mpint *p, int n, int accuracy) -{ - mpint *s, *t, *r, *i; - - if(n < 64) - n = 64; - - s = mpnew(n/2); - genprime(s, (n/2)-16, accuracy); - t = mpnew(n/2); - genprime(t, n-mpsignif(s)-32, accuracy); - - // first r = 2it + 1 that's prime - i = mpnew(16); - r = mpnew(0); - itomp(0x8000, i); - mpleft(t, 1, t); // 2t - mpmul(i, t, r); // 2it - mpadd(r, mpone, r); // 2it + 1 - for(;;){ - if(probably_prime(r, 18)) - break; - mpadd(r, t, r); // r += 2t - } - - // p0 = 2(s**(r-2) mod r)s - 1 - itomp(2, p); - mpsub(r, p, p); - mpexp(s, p, r, p); - mpmul(s, p, p); - mpleft(p, 1, p); - mpsub(p, mpone, p); - - // first p = p0 + 2irs that's prime - itomp(0x8000, i); - mpleft(r, 1, r); // 2r - mpmul(r, s, r); // 2rs - mpmul(r, i, i); // 2irs - mpadd(p, i, p); // p0 + 2irs - for(;;){ - if(probably_prime(p, accuracy)) - break; - mpadd(p, r, p); // p += 2rs - } - - mpfree(i); - mpfree(s); - mpfree(r); - mpfree(t); -} diff --git a/sys/src/cmd/unix/drawterm/libsec/hmac.c b/sys/src/cmd/unix/drawterm/libsec/hmac.c deleted file mode 100644 index c72397380..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/hmac.c +++ /dev/null @@ -1,56 +0,0 @@ -#include "os.h" -#include <libsec.h> - -/* rfc2104 */ -static DigestState* -hmac_x(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s, - DigestState*(*x)(uchar*, ulong, uchar*, DigestState*), int xlen) -{ - int i; - uchar pad[65], innerdigest[256]; - - if(xlen > sizeof(innerdigest)) - return nil; - - if(klen>64) - return nil; - - /* first time through */ - if(s == nil){ - for(i=0; i<64; i++) - pad[i] = 0x36; - pad[64] = 0; - for(i=0; i<klen; i++) - pad[i] ^= key[i]; - s = (*x)(pad, 64, nil, nil); - if(s == nil) - return nil; - } - - s = (*x)(p, len, nil, s); - if(digest == nil) - return s; - - /* last time through */ - for(i=0; i<64; i++) - pad[i] = 0x5c; - pad[64] = 0; - for(i=0; i<klen; i++) - pad[i] ^= key[i]; - (*x)(nil, 0, innerdigest, s); - s = (*x)(pad, 64, nil, nil); - (*x)(innerdigest, xlen, digest, s); - return nil; -} - -DigestState* -hmac_sha1(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s) -{ - return hmac_x(p, len, key, klen, digest, s, sha1, SHA1dlen); -} - -DigestState* -hmac_md5(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s) -{ - return hmac_x(p, len, key, klen, digest, s, md5, MD5dlen); -} diff --git a/sys/src/cmd/unix/drawterm/libsec/hmactest.c b/sys/src/cmd/unix/drawterm/libsec/hmactest.c deleted file mode 100644 index 8c7d896dd..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/hmactest.c +++ /dev/null @@ -1,19 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -uchar key[] = "Jefe"; -uchar data[] = "what do ya want for nothing?"; - -void -main(void) -{ - int i; - uchar hash[MD5dlen]; - - hmac_md5(data, strlen((char*)data), key, 4, hash, nil); - for(i=0; i<MD5dlen; i++) - print("%2.2x", hash[i]); - print("\n"); - print("750c783e6ab0b503eaa86e310a5db738\n"); -} diff --git a/sys/src/cmd/unix/drawterm/libsec/md4.c b/sys/src/cmd/unix/drawterm/libsec/md4.c deleted file mode 100644 index c4a2f32d2..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/md4.c +++ /dev/null @@ -1,271 +0,0 @@ -#include "os.h" -#include <libsec.h> - -/* - * This MD4 is implemented from the description in Stinson's Cryptography, - * theory and practice. -- presotto - */ - -/* - * Rotate ammounts used in the algorithm - */ -enum -{ - S11= 3, - S12= 7, - S13= 11, - S14= 19, - - S21= 3, - S22= 5, - S23= 9, - S24= 13, - - S31= 3, - S32= 9, - S33= 11, - S34= 15, -}; - -typedef struct MD4Table MD4Table; -struct MD4Table -{ - uchar x; /* index into data block */ - uchar rot; /* amount to rotate left by */ -}; - -static MD4Table tab[] = -{ - /* round 1 */ -/*[0]*/ { 0, S11}, - { 1, S12}, - { 2, S13}, - { 3, S14}, - { 4, S11}, - { 5, S12}, - { 6, S13}, - { 7, S14}, - { 8, S11}, - { 9, S12}, - { 10, S13}, - { 11, S14}, - { 12, S11}, - { 13, S12}, - { 14, S13}, - { 15, S14}, - - /* round 2 */ -/*[16]*/{ 0, S21}, - { 4, S22}, - { 8, S23}, - { 12, S24}, - { 1, S21}, - { 5, S22}, - { 9, S23}, - { 13, S24}, - { 2, S21}, - { 6, S22}, - { 10, S23}, - { 14, S24}, - { 3, S21}, - { 7, S22}, - { 11, S23}, - { 15, S24}, - - /* round 3 */ -/*[32]*/{ 0, S31}, - { 8, S32}, - { 4, S33}, - { 12, S34}, - { 2, S31}, - { 10, S32}, - { 6, S33}, - { 14, S34}, - { 1, S31}, - { 9, S32}, - { 5, S33}, - { 13, S34}, - { 3, S31}, - { 11, S32}, - { 7, S33}, - { 15, S34}, -}; - -static void encode(uchar*, u32int*, ulong); -static void decode(u32int*, uchar*, ulong); - -static void -md4block(uchar *p, ulong len, MD4state *s) -{ - int i; - u32int a, b, c, d, tmp; - MD4Table *t; - uchar *end; - u32int x[16]; - - for(end = p+len; p < end; p += 64){ - a = s->state[0]; - b = s->state[1]; - c = s->state[2]; - d = s->state[3]; - - decode(x, p, 64); - - for(i = 0; i < 48; i++){ - t = tab + i; - switch(i>>4){ - case 0: - a += (b & c) | (~b & d); - break; - case 1: - a += ((b & c) | (b & d) | (c & d)) + 0x5A827999; - break; - case 2: - a += (b ^ c ^ d) + 0x6ED9EBA1; - break; - } - a += x[t->x]; - a = (a << t->rot) | (a >> (32 - t->rot)); - - /* rotate variables */ - tmp = d; - d = c; - c = b; - b = a; - a = tmp; - } - - s->state[0] += a; - s->state[1] += b; - s->state[2] += c; - s->state[3] += d; - - s->len += 64; - } -} - -MD4state* -md4(uchar *p, ulong len, uchar *digest, MD4state *s) -{ - u32int x[16]; - uchar buf[128]; - int i; - uchar *e; - - if(s == nil){ - s = malloc(sizeof(*s)); - if(s == nil) - return nil; - memset(s, 0, sizeof(*s)); - s->malloced = 1; - } - - if(s->seeded == 0){ - /* seed the state, these constants would look nicer big-endian */ - s->state[0] = 0x67452301; - s->state[1] = 0xefcdab89; - s->state[2] = 0x98badcfe; - s->state[3] = 0x10325476; - s->seeded = 1; - } - - /* fill out the partial 64 byte block from previous calls */ - if(s->blen){ - i = 64 - s->blen; - if(len < i) - i = len; - memmove(s->buf + s->blen, p, i); - len -= i; - s->blen += i; - p += i; - if(s->blen == 64){ - md4block(s->buf, s->blen, s); - s->blen = 0; - } - } - - /* do 64 byte blocks */ - i = len & ~0x3f; - if(i){ - md4block(p, i, s); - len -= i; - p += i; - } - - /* save the left overs if not last call */ - if(digest == 0){ - if(len){ - memmove(s->buf, p, len); - s->blen += len; - } - return s; - } - - /* - * this is the last time through, pad what's left with 0x80, - * 0's, and the input count to create a multiple of 64 bytes - */ - if(s->blen){ - p = s->buf; - len = s->blen; - } else { - memmove(buf, p, len); - p = buf; - } - s->len += len; - e = p + len; - if(len < 56) - i = 56 - len; - else - i = 120 - len; - memset(e, 0, i); - *e = 0x80; - len += i; - - /* append the count */ - x[0] = s->len<<3; - x[1] = s->len>>29; - encode(p+len, x, 8); - - /* digest the last part */ - md4block(p, len+8, s); - - /* return result and free state */ - encode(digest, s->state, MD4dlen); - if(s->malloced == 1) - free(s); - return nil; -} - -/* - * encodes input (u32int) into output (uchar). Assumes len is - * a multiple of 4. - */ -static void -encode(uchar *output, u32int *input, ulong len) -{ - u32int x; - uchar *e; - - for(e = output + len; output < e;) { - x = *input++; - *output++ = x; - *output++ = x >> 8; - *output++ = x >> 16; - *output++ = x >> 24; - } -} - -/* - * decodes input (uchar) into output (u32int). Assumes len is - * a multiple of 4. - */ -static void -decode(u32int *output, uchar *input, ulong len) -{ - uchar *e; - - for(e = input+len; input < e; input += 4) - *output++ = input[0] | (input[1] << 8) | - (input[2] << 16) | (input[3] << 24); -} diff --git a/sys/src/cmd/unix/drawterm/libsec/md4test.c b/sys/src/cmd/unix/drawterm/libsec/md4test.c deleted file mode 100644 index 417cb3330..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/md4test.c +++ /dev/null @@ -1,31 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -char *tests[] = { - "", - "a", - "abc", - "message digest", - "abcdefghijklmnopqrstuvwxyz", - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", - "12345678901234567890123456789012345678901234567890123456789012345678901234567890", - 0 -}; - -void -main(void) -{ - char **pp; - uchar *p; - int i; - uchar digest[MD5dlen]; - - for(pp = tests; *pp; pp++){ - p = (uchar*)*pp; - md4(p, strlen(*pp), digest, 0); - for(i = 0; i < MD5dlen; i++) - print("%2.2ux", digest[i]); - print("\n"); - } -} diff --git a/sys/src/cmd/unix/drawterm/libsec/md5.c b/sys/src/cmd/unix/drawterm/libsec/md5.c deleted file mode 100644 index 1d5794463..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/md5.c +++ /dev/null @@ -1,147 +0,0 @@ -#include "os.h" -#include <libsec.h> - -/* - * rfc1321 requires that I include this. The code is new. The constants - * all come from the rfc (hence the copyright). We trade a table for the - * macros in rfc. The total size is a lot less. -- presotto - * - * Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All - * rights reserved. - * - * License to copy and use this software is granted provided that it - * is identified as the "RSA Data Security, Inc. MD5 Message-Digest - * Algorithm" in all material mentioning or referencing this software - * or this function. - * - * License is also granted to make and use derivative works provided - * that such works are identified as "derived from the RSA Data - * Security, Inc. MD5 Message-Digest Algorithm" in all material - * mentioning or referencing the derived work. - * - * RSA Data Security, Inc. makes no representations concerning either - * the merchantability of this software or the suitability of this - * software forany particular purpose. It is provided "as is" - * without express or implied warranty of any kind. - * These notices must be retained in any copies of any part of this - * documentation and/or software. - */ - -static void encode(uchar*, u32int*, ulong); - -extern void _md5block(uchar*, ulong, u32int*); - -MD5state* -md5(uchar *p, ulong len, uchar *digest, MD5state *s) -{ - u32int x[16]; - uchar buf[128]; - int i; - uchar *e; - - if(s == nil){ - s = malloc(sizeof(*s)); - if(s == nil) - return nil; - memset(s, 0, sizeof(*s)); - s->malloced = 1; - } - - if(s->seeded == 0){ - /* seed the state, these constants would look nicer big-endian */ - s->state[0] = 0x67452301; - s->state[1] = 0xefcdab89; - s->state[2] = 0x98badcfe; - s->state[3] = 0x10325476; - s->seeded = 1; - } - - /* fill out the partial 64 byte block from previous calls */ - if(s->blen){ - i = 64 - s->blen; - if(len < i) - i = len; - memmove(s->buf + s->blen, p, i); - len -= i; - s->blen += i; - p += i; - if(s->blen == 64){ - _md5block(s->buf, s->blen, s->state); - s->len += s->blen; - s->blen = 0; - } - } - - /* do 64 byte blocks */ - i = len & ~0x3f; - if(i){ - _md5block(p, i, s->state); - s->len += i; - len -= i; - p += i; - } - - /* save the left overs if not last call */ - if(digest == 0){ - if(len){ - memmove(s->buf, p, len); - s->blen += len; - } - return s; - } - - /* - * this is the last time through, pad what's left with 0x80, - * 0's, and the input count to create a multiple of 64 bytes - */ - if(s->blen){ - p = s->buf; - len = s->blen; - } else { - memmove(buf, p, len); - p = buf; - } - s->len += len; - e = p + len; - if(len < 56) - i = 56 - len; - else - i = 120 - len; - memset(e, 0, i); - *e = 0x80; - len += i; - - /* append the count */ - x[0] = s->len<<3; - x[1] = s->len>>29; - encode(p+len, x, 8); - - /* digest the last part */ - _md5block(p, len+8, s->state); - s->len += len; - - /* return result and free state */ - encode(digest, s->state, MD5dlen); - if(s->malloced == 1) - free(s); - return nil; -} - -/* - * encodes input (u32int) into output (uchar). Assumes len is - * a multiple of 4. - */ -static void -encode(uchar *output, u32int *input, ulong len) -{ - u32int x; - uchar *e; - - for(e = output + len; output < e;) { - x = *input++; - *output++ = x; - *output++ = x >> 8; - *output++ = x >> 16; - *output++ = x >> 24; - } -} diff --git a/sys/src/cmd/unix/drawterm/libsec/md5block.c b/sys/src/cmd/unix/drawterm/libsec/md5block.c deleted file mode 100644 index 07fe22379..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/md5block.c +++ /dev/null @@ -1,267 +0,0 @@ -#include "os.h" -#include <libsec.h> - -/* - * rfc1321 requires that I include this. The code is new. The constants - * all come from the rfc (hence the copyright). We trade a table for the - * macros in rfc. The total size is a lot less. -- presotto - * - * Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All - * rights reserved. - * - * License to copy and use this software is granted provided that it - * is identified as the "RSA Data Security, Inc. MD5 Message-Digest - * Algorithm" in all material mentioning or referencing this software - * or this function. - * - * License is also granted to make and use derivative works provided - * that such works are identified as "derived from the RSA Data - * Security, Inc. MD5 Message-Digest Algorithm" in all material - * mentioning or referencing the derived work. - * - * RSA Data Security, Inc. makes no representations concerning either - * the merchantability of this software or the suitability of this - * software forany particular purpose. It is provided "as is" - * without express or implied warranty of any kind. - * These notices must be retained in any copies of any part of this - * documentation and/or software. - */ - -/* - * Rotate ammounts used in the algorithm - */ -enum -{ - S11= 7, - S12= 12, - S13= 17, - S14= 22, - - S21= 5, - S22= 9, - S23= 14, - S24= 20, - - S31= 4, - S32= 11, - S33= 16, - S34= 23, - - S41= 6, - S42= 10, - S43= 15, - S44= 21, -}; - -static u32int md5tab[] = -{ - /* round 1 */ -/*[0]*/ 0xd76aa478, - 0xe8c7b756, - 0x242070db, - 0xc1bdceee, - 0xf57c0faf, - 0x4787c62a, - 0xa8304613, - 0xfd469501, - 0x698098d8, - 0x8b44f7af, - 0xffff5bb1, - 0x895cd7be, - 0x6b901122, - 0xfd987193, - 0xa679438e, - 0x49b40821, - - /* round 2 */ -/*[16]*/0xf61e2562, - 0xc040b340, - 0x265e5a51, - 0xe9b6c7aa, - 0xd62f105d, - 0x2441453, - 0xd8a1e681, - 0xe7d3fbc8, - 0x21e1cde6, - 0xc33707d6, - 0xf4d50d87, - 0x455a14ed, - 0xa9e3e905, - 0xfcefa3f8, - 0x676f02d9, - 0x8d2a4c8a, - - /* round 3 */ -/*[32]*/0xfffa3942, - 0x8771f681, - 0x6d9d6122, - 0xfde5380c, - 0xa4beea44, - 0x4bdecfa9, - 0xf6bb4b60, - 0xbebfbc70, - 0x289b7ec6, - 0xeaa127fa, - 0xd4ef3085, - 0x4881d05, - 0xd9d4d039, - 0xe6db99e5, - 0x1fa27cf8, - 0xc4ac5665, - - /* round 4 */ -/*[48]*/0xf4292244, - 0x432aff97, - 0xab9423a7, - 0xfc93a039, - 0x655b59c3, - 0x8f0ccc92, - 0xffeff47d, - 0x85845dd1, - 0x6fa87e4f, - 0xfe2ce6e0, - 0xa3014314, - 0x4e0811a1, - 0xf7537e82, - 0xbd3af235, - 0x2ad7d2bb, - 0xeb86d391, -}; - -static void decode(u32int*, uchar*, ulong); -extern void _md5block(uchar *p, ulong len, u32int *s); - -void -_md5block(uchar *p, ulong len, u32int *s) -{ - u32int a, b, c, d, sh; - u32int *t; - uchar *end; - u32int x[16]; - - for(end = p+len; p < end; p += 64){ - a = s[0]; - b = s[1]; - c = s[2]; - d = s[3]; - - decode(x, p, 64); - - t = md5tab; - sh = 0; - for(; sh != 16; t += 4){ - a += ((c ^ d) & b) ^ d; - a += x[sh] + t[0]; - a = (a << S11) | (a >> (32 - S11)); - a += b; - - d += ((b ^ c) & a) ^ c; - d += x[sh + 1] + t[1]; - d = (d << S12) | (d >> (32 - S12)); - d += a; - - c += ((a ^ b) & d) ^ b; - c += x[sh + 2] + t[2]; - c = (c << S13) | (c >> (32 - S13)); - c += d; - - b += ((d ^ a) & c) ^ a; - b += x[sh + 3] + t[3]; - b = (b << S14) | (b >> (32 - S14)); - b += c; - - sh += 4; - } - sh = 1; - for(; sh != 1+20*4; t += 4){ - a += ((b ^ c) & d) ^ c; - a += x[sh & 0xf] + t[0]; - a = (a << S21) | (a >> (32 - S21)); - a += b; - - d += ((a ^ b) & c) ^ b; - d += x[(sh + 5) & 0xf] + t[1]; - d = (d << S22) | (d >> (32 - S22)); - d += a; - - c += ((d ^ a) & b) ^ a; - c += x[(sh + 10) & 0xf] + t[2]; - c = (c << S23) | (c >> (32 - S23)); - c += d; - - b += ((c ^ d) & a) ^ d; - b += x[(sh + 15) & 0xf] + t[3]; - b = (b << S24) | (b >> (32 - S24)); - b += c; - - sh += 20; - } - sh = 5; - for(; sh != 5+12*4; t += 4){ - a += b ^ c ^ d; - a += x[sh & 0xf] + t[0]; - a = (a << S31) | (a >> (32 - S31)); - a += b; - - d += a ^ b ^ c; - d += x[(sh + 3) & 0xf] + t[1]; - d = (d << S32) | (d >> (32 - S32)); - d += a; - - c += d ^ a ^ b; - c += x[(sh + 6) & 0xf] + t[2]; - c = (c << S33) | (c >> (32 - S33)); - c += d; - - b += c ^ d ^ a; - b += x[(sh + 9) & 0xf] + t[3]; - b = (b << S34) | (b >> (32 - S34)); - b += c; - - sh += 12; - } - sh = 0; - for(; sh != 28*4; t += 4){ - a += c ^ (b | ~d); - a += x[sh & 0xf] + t[0]; - a = (a << S41) | (a >> (32 - S41)); - a += b; - - d += b ^ (a | ~c); - d += x[(sh + 7) & 0xf] + t[1]; - d = (d << S42) | (d >> (32 - S42)); - d += a; - - c += a ^ (d | ~b); - c += x[(sh + 14) & 0xf] + t[2]; - c = (c << S43) | (c >> (32 - S43)); - c += d; - - b += d ^ (c | ~a); - b += x[(sh + 21) & 0xf] + t[3]; - b = (b << S44) | (b >> (32 - S44)); - b += c; - - sh += 28; - } - - s[0] += a; - s[1] += b; - s[2] += c; - s[3] += d; - } -} - -/* - * decodes input (uchar) into output (u32int). Assumes len is - * a multiple of 4. - */ -static void -decode(u32int *output, uchar *input, ulong len) -{ - uchar *e; - - for(e = input+len; input < e; input += 4) - *output++ = input[0] | (input[1] << 8) | - (input[2] << 16) | (input[3] << 24); -} diff --git a/sys/src/cmd/unix/drawterm/libsec/md5pickle.c b/sys/src/cmd/unix/drawterm/libsec/md5pickle.c deleted file mode 100644 index 5b353b5a5..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/md5pickle.c +++ /dev/null @@ -1,37 +0,0 @@ -#include "os.h" -#include <libsec.h> - -char* -md5pickle(MD5state *s) -{ - char *p; - int m, n; - - m = 4*9+4*((s->blen+3)/3); - p = malloc(m); - if(p == nil) - return p; - n = sprint(p, "%8.8ux %8.8ux %8.8ux %8.8ux ", - s->state[0], s->state[1], s->state[2], - s->state[3]); - enc64(p+n, m-n, s->buf, s->blen); - return p; -} - -MD5state* -md5unpickle(char *p) -{ - MD5state *s; - - s = malloc(sizeof(*s)); - if(s == nil) - return nil; - s->state[0] = strtoul(p, &p, 16); - s->state[1] = strtoul(p, &p, 16); - s->state[2] = strtoul(p, &p, 16); - s->state[3] = strtoul(p, &p, 16); - s->blen = dec64(s->buf, sizeof(s->buf), p, strlen(p)); - s->malloced = 1; - s->seeded = 1; - return s; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/nfastrand.c b/sys/src/cmd/unix/drawterm/libsec/nfastrand.c deleted file mode 100644 index fa042b00c..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/nfastrand.c +++ /dev/null @@ -1,23 +0,0 @@ -#include <u.h> -#include <libc.h> -#include <libsec.h> - -#define Maxrand ((1UL<<31)-1) - -ulong -nfastrand(ulong n) -{ - ulong m, r; - - /* - * set m to the maximum multiple of n <= 2^31-1 - * so we want a random number < m. - */ - if(n > Maxrand) - abort(); - - m = Maxrand - Maxrand % n; - while((r = fastrand()) >= m) - ; - return r%n; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/os.h b/sys/src/cmd/unix/drawterm/libsec/os.h deleted file mode 100644 index 07a1f9765..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/os.h +++ /dev/null @@ -1,2 +0,0 @@ -#include <u.h> -#include <libc.h> diff --git a/sys/src/cmd/unix/drawterm/libsec/primetest.c b/sys/src/cmd/unix/drawterm/libsec/primetest.c deleted file mode 100644 index 2d082e64f..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/primetest.c +++ /dev/null @@ -1,41 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -void -main(void) -{ - mpint *z = mpnew(0); - mpint *p = mpnew(0); - mpint *q = mpnew(0); - mpint *nine = mpnew(0); - - fmtinstall('B', mpconv); - strtomp("2492491", nil, 16, z); // 38347921 = x*y = (2**28-9)/7, - // an example of 3**(n-1)=1 mod n - strtomp("15662C00E811", nil, 16, p);// 23528569104401, a prime - uitomp(9, nine); - - if(probably_prime(z, 5) == 1) - fprint(2, "tricked primality test\n"); - if(probably_prime(nine, 5) == 1) - fprint(2, "9 passed primality test!\n"); - if(probably_prime(p, 25) == 1) - fprint(2, "ok\n"); - - DSAprimes(q, p, nil); - print("q=%B\np=%B\n", q, p); - - exits(0); -} - -// example output, checked with Maple: -// seed EB7B6E35F7CD37B511D96C67D6688CC4DD440E1E -// q=E0F0EF284E10796C5A2A511E94748BA03C795C13 -// = 1284186945063585093695748280224501481698995297299 -// p=C41CFBE4D4846F67A3DF7DE9921A49D3B42DC33728427AB159CEC8CBBDB12B5F0C244F1A734AEB9840804EA3C25036AD1B61AFF3ABBC247CD4B384224567A863A6F020E7EE9795554BCD08ABAD7321AF27E1E92E3DB1C6E7E94FAAE590AE9C48F96D93D178E809401ABE8A534A1EC44359733475A36A70C7B425125062B1142D -// = 137715385439333164327584575331308277462546592976152006175830654712456008630139443747529133857837818585400418619916530061955288983751958831927807888408309879880101870216437711393638413509484569804814373511469405934988856674935304074081350525593807908358867354528898618574659752879015380013845760006721861915693 -// r=DF310F4E54A5FEC5D86D3E14863921E834113E060F90052AD332B3241CEF2497EFA0303D6344F7C819691A0F9C4A773815AF8EAECFB7EC1D98F039F17A32A7E887D97251A927D093F44A55577F4D70444AEBD06B9B45695EC23962B175F266895C67D21C4656848614D888A4 -// = 107239359478548771267308764204625458348785444483302647285245969203446101233421655396874997253111222983406676955642093641709149748793954493558324738441197139556917622937892491175016280660608595599724194374948056515856812347094848443460715881455884639869144172708 -// g=2F1C308DC46B9A44B52DF7DACCE1208CCEF72F69C743ADD4D2327173444ED6E65E074694246E07F9FD4AE26E0FDDD9F54F813C40CB9BCD4338EA6F242AB94CD410E676C290368A16B1A3594877437E516C53A6EEE5493A038A017E955E218E7819734E3E2A6E0BAE08B14258F8C03CC1B30E0DDADFCF7CEDF0727684D3D255F1 -// = 33081848392740465806285326014906437543653045153885419334085917570615301913274531387168723847139029827598735376746057461417880810924280288611116213062512408829164220104555543445909528701551198146080221790002337033997295756585193926863581671466708482411159477816144226847280417522524922667065714073338662508017 diff --git a/sys/src/cmd/unix/drawterm/libsec/prng.c b/sys/src/cmd/unix/drawterm/libsec/prng.c deleted file mode 100644 index fc2e508aa..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/prng.c +++ /dev/null @@ -1,15 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -// -// just use the libc prng to fill a buffer -// -void -prng(uchar *p, int n) -{ - uchar *e; - - for(e = p+n; p < e; p++) - *p = rand(); -} diff --git a/sys/src/cmd/unix/drawterm/libsec/probably_prime.c b/sys/src/cmd/unix/drawterm/libsec/probably_prime.c deleted file mode 100644 index 4eaccbad3..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/probably_prime.c +++ /dev/null @@ -1,84 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -// Miller-Rabin probabilistic primality testing -// Knuth (1981) Seminumerical Algorithms, p.379 -// Menezes et al () Handbook, p.39 -// 0 if composite; 1 if almost surely prime, Pr(err)<1/4**nrep -int -probably_prime(mpint *n, int nrep) -{ - int j, k, rep, nbits, isprime = 1; - mpint *nm1, *q, *x, *y, *r; - - if(n->sign < 0) - sysfatal("negative prime candidate"); - - if(nrep <= 0) - nrep = 18; - - k = mptoi(n); - if(k == 2) // 2 is prime - return 1; - if(k < 2) // 1 is not prime - return 0; - if((n->p[0] & 1) == 0) // even is not prime - return 0; - - // test against small prime numbers - if(smallprimetest(n) < 0) - return 0; - - // fermat test, 2^n mod n == 2 if p is prime - x = uitomp(2, nil); - y = mpnew(0); - mpexp(x, n, n, y); - k = mptoi(y); - if(k != 2){ - mpfree(x); - mpfree(y); - return 0; - } - - nbits = mpsignif(n); - nm1 = mpnew(nbits); - mpsub(n, mpone, nm1); // nm1 = n - 1 */ - k = mplowbits0(nm1); - q = mpnew(0); - mpright(nm1, k, q); // q = (n-1)/2**k - - for(rep = 0; rep < nrep; rep++){ - - // x = random in [2, n-2] - r = mprand(nbits, prng, nil); - mpmod(r, nm1, x); - mpfree(r); - if(mpcmp(x, mpone) <= 0) - continue; - - // y = x**q mod n - mpexp(x, q, n, y); - - if(mpcmp(y, mpone) == 0 || mpcmp(y, nm1) == 0) - goto done; - - for(j = 1; j < k; j++){ - mpmul(y, y, x); - mpmod(x, n, y); // y = y*y mod n - if(mpcmp(y, nm1) == 0) - goto done; - if(mpcmp(y, mpone) == 0){ - isprime = 0; - goto done; - } - } - isprime = 0; - } -done: - mpfree(y); - mpfree(x); - mpfree(q); - mpfree(nm1); - return isprime; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/rc4.c b/sys/src/cmd/unix/drawterm/libsec/rc4.c deleted file mode 100644 index beafa4868..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/rc4.c +++ /dev/null @@ -1,104 +0,0 @@ -#include "os.h" -#include <libsec.h> - -void -setupRC4state(RC4state *key, uchar *start, int n) -{ - int t; - int index2; - uchar *state; - uchar *p, *e, *sp, *se; - - state = key->state; - se = &state[256]; - for(sp = state; sp < se; sp++) - *sp = sp - state; - - key->x = 0; - key->y = 0; - index2 = 0; - e = start + n; - p = start; - for(sp = state; sp < se; sp++) - { - t = *sp; - index2 = (*p + t + index2) & 255; - *sp = state[index2]; - state[index2] = t; - if(++p >= e) - p = start; - } -} - -void -rc4(RC4state *key, uchar *p, int len) -{ - int tx, ty; - int x, y; - uchar *state; - uchar *e; - - x = key->x; - y = key->y; - state = &key->state[0]; - for(e = p + len; p < e; p++) - { - x = (x+1)&255; - tx = state[x]; - y = (y+tx)&255; - ty = state[y]; - state[x] = ty; - state[y] = tx; - *p ^= state[(tx+ty)&255]; - } - key->x = x; - key->y = y; -} - -void -rc4skip(RC4state *key, int len) -{ - int tx, ty; - int x, y; - uchar *state; - int i; - - x = key->x; - y = key->y; - state = &key->state[0]; - for(i=0; i<len; i++) - { - x = (x+1)&255; - tx = state[x]; - y = (y+tx)&255; - ty = state[y]; - state[x] = ty; - state[y] = tx; - } - key->x = x; - key->y = y; -} - -void -rc4back(RC4state *key, int len) -{ - int tx, ty; - int x, y; - uchar *state; - int i; - - x = key->x; - y = key->y; - state = &key->state[0]; - for(i=0; i<len; i++) - { - ty = state[x]; - tx = state[y]; - state[y] = ty; - state[x] = tx; - y = (y-tx)&255; - x = (x-1)&255; - } - key->x = x; - key->y = y; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/readcert.c b/sys/src/cmd/unix/drawterm/libsec/readcert.c deleted file mode 100644 index 9fe5d73a7..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/readcert.c +++ /dev/null @@ -1,50 +0,0 @@ -#include <u.h> -#include <libc.h> -#include <mp.h> -#include <libsec.h> - -static char* -readfile(char *name) -{ - int fd; - char *s; - Dir *d; - - fd = open(name, OREAD); - if(fd < 0) - return nil; - if((d = dirfstat(fd)) == nil) - return nil; - s = malloc(d->length + 1); - if(s == nil || readn(fd, s, d->length) != d->length){ - free(s); - free(d); - close(fd); - return nil; - } - close(fd); - s[d->length] = '\0'; - free(d); - return s; -} - -uchar* -readcert(char *filename, int *pcertlen) -{ - char *pem; - uchar *binary; - - pem = readfile(filename); - if(pem == nil){ - werrstr("can't read %s", filename); - return nil; - } - binary = decodepem(pem, "CERTIFICATE", pcertlen); - free(pem); - if(binary == nil){ - werrstr("can't parse %s", filename); - return nil; - } - return binary; -} - diff --git a/sys/src/cmd/unix/drawterm/libsec/rsaalloc.c b/sys/src/cmd/unix/drawterm/libsec/rsaalloc.c deleted file mode 100644 index 0caa96d5c..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/rsaalloc.c +++ /dev/null @@ -1,52 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -RSApub* -rsapuballoc(void) -{ - RSApub *rsa; - - rsa = mallocz(sizeof(*rsa), 1); - if(rsa == nil) - sysfatal("rsapuballoc"); - return rsa; -} - -void -rsapubfree(RSApub *rsa) -{ - if(rsa == nil) - return; - mpfree(rsa->ek); - mpfree(rsa->n); - free(rsa); -} - - -RSApriv* -rsaprivalloc(void) -{ - RSApriv *rsa; - - rsa = mallocz(sizeof(*rsa), 1); - if(rsa == nil) - sysfatal("rsaprivalloc"); - return rsa; -} - -void -rsaprivfree(RSApriv *rsa) -{ - if(rsa == nil) - return; - mpfree(rsa->pub.ek); - mpfree(rsa->pub.n); - mpfree(rsa->dk); - mpfree(rsa->p); - mpfree(rsa->q); - mpfree(rsa->kp); - mpfree(rsa->kq); - mpfree(rsa->c2); - free(rsa); -} diff --git a/sys/src/cmd/unix/drawterm/libsec/rsadecrypt.c b/sys/src/cmd/unix/drawterm/libsec/rsadecrypt.c deleted file mode 100644 index 1e937bec8..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/rsadecrypt.c +++ /dev/null @@ -1,37 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -// decrypt rsa using garner's algorithm for the chinese remainder theorem -// seminumerical algorithms, knuth, pp 253-254 -// applied cryptography, menezes et al, pg 612 -mpint* -rsadecrypt(RSApriv *rsa, mpint *in, mpint *out) -{ - mpint *v1, *v2; - - if(out == nil) - out = mpnew(0); - - // convert in to modular representation - v1 = mpnew(0); - mpmod(in, rsa->p, v1); - v2 = mpnew(0); - mpmod(in, rsa->q, v2); - - // exponentiate the modular rep - mpexp(v1, rsa->kp, rsa->p, v1); - mpexp(v2, rsa->kq, rsa->q, v2); - - // out = v1 + p*((v2-v1)*c2 mod q) - mpsub(v2, v1, v2); - mpmul(v2, rsa->c2, v2); - mpmod(v2, rsa->q, v2); - mpmul(v2, rsa->p, out); - mpadd(v1, out, out); - - mpfree(v1); - mpfree(v2); - - return out; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/rsaencrypt.c b/sys/src/cmd/unix/drawterm/libsec/rsaencrypt.c deleted file mode 100644 index ade686dce..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/rsaencrypt.c +++ /dev/null @@ -1,12 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -mpint* -rsaencrypt(RSApub *rsa, mpint *in, mpint *out) -{ - if(out == nil) - out = mpnew(0); - mpexp(in, rsa->ek, rsa->n, out); - return out; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/rsafill.c b/sys/src/cmd/unix/drawterm/libsec/rsafill.c deleted file mode 100644 index f514b073b..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/rsafill.c +++ /dev/null @@ -1,61 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -RSApriv* -rsafill(mpint *n, mpint *e, mpint *d, mpint *p, mpint *q) -{ - mpint *c2, *kq, *kp, *x; - RSApriv *rsa; - - // make sure we're not being hoodwinked - if(!probably_prime(p, 10) || !probably_prime(q, 10)){ - werrstr("rsafill: p or q not prime"); - return nil; - } - x = mpnew(0); - mpmul(p, q, x); - if(mpcmp(n, x) != 0){ - werrstr("rsafill: n != p*q"); - mpfree(x); - return nil; - } - c2 = mpnew(0); - mpsub(p, mpone, c2); - mpsub(q, mpone, x); - mpmul(c2, x, x); - mpmul(e, d, c2); - mpmod(c2, x, x); - if(mpcmp(x, mpone) != 0){ - werrstr("rsafill: e*d != 1 mod (p-1)*(q-1)"); - mpfree(x); - mpfree(c2); - return nil; - } - - // compute chinese remainder coefficient - mpinvert(p, q, c2); - - // for crt a**k mod p == (a**(k mod p-1)) mod p - kq = mpnew(0); - kp = mpnew(0); - mpsub(p, mpone, x); - mpmod(d, x, kp); - mpsub(q, mpone, x); - mpmod(d, x, kq); - - rsa = rsaprivalloc(); - rsa->pub.ek = mpcopy(e); - rsa->pub.n = mpcopy(n); - rsa->dk = mpcopy(d); - rsa->kp = kp; - rsa->kq = kq; - rsa->p = mpcopy(p); - rsa->q = mpcopy(q); - rsa->c2 = c2; - - mpfree(x); - - return rsa; -} - diff --git a/sys/src/cmd/unix/drawterm/libsec/rsagen.c b/sys/src/cmd/unix/drawterm/libsec/rsagen.c deleted file mode 100644 index bdfc37f2f..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/rsagen.c +++ /dev/null @@ -1,82 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -static void -genrand(mpint *p, int n) -{ - mpdigit x; - - // generate n random bits with high set - mpbits(p, n); - genrandom((uchar*)p->p, (n+7)/8); - p->top = (n+Dbits-1)/Dbits; - x = 1; - x <<= ((n-1)%Dbits); - p->p[p->top-1] &= (x-1); - p->p[p->top-1] |= x; -} - -RSApriv* -rsagen(int nlen, int elen, int rounds) -{ - mpint *p, *q, *e, *d, *phi, *n, *t1, *t2, *kp, *kq, *c2; - RSApriv *rsa; - - p = mpnew(nlen/2); - q = mpnew(nlen/2); - n = mpnew(nlen); - e = mpnew(elen); - d = mpnew(0); - phi = mpnew(nlen); - - // create the prime factors and euclid's function - genstrongprime(p, nlen/2, rounds); - genstrongprime(q, nlen - mpsignif(p) + 1, rounds); - mpmul(p, q, n); - mpsub(p, mpone, e); - mpsub(q, mpone, d); - mpmul(e, d, phi); - - // find an e relatively prime to phi - t1 = mpnew(0); - t2 = mpnew(0); - genrand(e, elen); - for(;;){ - mpextendedgcd(e, phi, d, t1, t2); - if(mpcmp(d, mpone) == 0) - break; - mpadd(mpone, e, e); - } - mpfree(t1); - mpfree(t2); - - // d = e**-1 mod phi - mpinvert(e, phi, d); - - // compute chinese remainder coefficient - c2 = mpnew(0); - mpinvert(p, q, c2); - - // for crt a**k mod p == (a**(k mod p-1)) mod p - kq = mpnew(0); - kp = mpnew(0); - mpsub(p, mpone, phi); - mpmod(d, phi, kp); - mpsub(q, mpone, phi); - mpmod(d, phi, kq); - - rsa = rsaprivalloc(); - rsa->pub.ek = e; - rsa->pub.n = n; - rsa->dk = d; - rsa->kp = kp; - rsa->kq = kq; - rsa->p = p; - rsa->q = q; - rsa->c2 = c2; - - mpfree(phi); - - return rsa; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/rsaprivtopub.c b/sys/src/cmd/unix/drawterm/libsec/rsaprivtopub.c deleted file mode 100644 index d464c87f8..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/rsaprivtopub.c +++ /dev/null @@ -1,16 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -RSApub* -rsaprivtopub(RSApriv *priv) -{ - RSApub *pub; - - pub = rsapuballoc(); - if(pub == nil) - return nil; - pub->n = mpcopy(priv->pub.n); - pub->ek = mpcopy(priv->pub.ek); - return pub; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/rsatest.c b/sys/src/cmd/unix/drawterm/libsec/rsatest.c deleted file mode 100644 index 9ff66b5c2..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/rsatest.c +++ /dev/null @@ -1,57 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> -#include <bio.h> - -void -main(void) -{ - RSApriv *rsa; - Biobuf b; - char *p; - int n; - mpint *clr, *enc, *clr2; - uchar buf[4096]; - uchar *e; - vlong start; - - fmtinstall('B', mpconv); - - rsa = rsagen(1024, 16, 0); - if(rsa == nil) - sysfatal("rsagen"); - Binit(&b, 0, OREAD); - clr = mpnew(0); - clr2 = mpnew(0); - enc = mpnew(0); - - strtomp("123456789abcdef123456789abcdef123456789abcdef123456789abcdef", nil, 16, clr); - rsaencrypt(&rsa->pub, clr, enc); - - start = nsec(); - for(n = 0; n < 10; n++) - rsadecrypt(rsa, enc, clr); - print("%lld\n", nsec()-start); - - start = nsec(); - for(n = 0; n < 10; n++) - mpexp(enc, rsa->dk, rsa->pub.n, clr2); - print("%lld\n", nsec()-start); - - if(mpcmp(clr, clr2) != 0) - print("%B != %B\n", clr, clr2); - - print("> "); - while(p = Brdline(&b, '\n')){ - n = Blinelen(&b); - letomp((uchar*)p, n, clr); - print("clr %B\n", clr); - rsaencrypt(&rsa->pub, clr, enc); - print("enc %B\n", enc); - rsadecrypt(rsa, enc, clr); - print("clr %B\n", clr); - n = mptole(clr, buf, sizeof(buf), nil); - write(1, buf, n); - print("> "); - } -} diff --git a/sys/src/cmd/unix/drawterm/libsec/sha1.c b/sys/src/cmd/unix/drawterm/libsec/sha1.c deleted file mode 100644 index 946f02838..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/sha1.c +++ /dev/null @@ -1,127 +0,0 @@ -#include "os.h" -#include <libsec.h> - -static void encode(uchar*, u32int*, ulong); - -extern void _sha1block(uchar*, ulong, u32int*); - -/* - * we require len to be a multiple of 64 for all but - * the last call. There must be room in the input buffer - * to pad. - */ -SHA1state* -sha1(uchar *p, ulong len, uchar *digest, SHA1state *s) -{ - uchar buf[128]; - u32int x[16]; - int i; - uchar *e; - - if(s == nil){ - s = malloc(sizeof(*s)); - if(s == nil) - return nil; - memset(s, 0, sizeof(*s)); - s->malloced = 1; - } - - if(s->seeded == 0){ - /* seed the state, these constants would look nicer big-endian */ - s->state[0] = 0x67452301; - s->state[1] = 0xefcdab89; - s->state[2] = 0x98badcfe; - s->state[3] = 0x10325476; - s->state[4] = 0xc3d2e1f0; - s->seeded = 1; - } - - /* fill out the partial 64 byte block from previous calls */ - if(s->blen){ - i = 64 - s->blen; - if(len < i) - i = len; - memmove(s->buf + s->blen, p, i); - len -= i; - s->blen += i; - p += i; - if(s->blen == 64){ - _sha1block(s->buf, s->blen, s->state); - s->len += s->blen; - s->blen = 0; - } - } - - /* do 64 byte blocks */ - i = len & ~0x3f; - if(i){ - _sha1block(p, i, s->state); - s->len += i; - len -= i; - p += i; - } - - /* save the left overs if not last call */ - if(digest == 0){ - if(len){ - memmove(s->buf, p, len); - s->blen += len; - } - return s; - } - - /* - * this is the last time through, pad what's left with 0x80, - * 0's, and the input count to create a multiple of 64 bytes - */ - if(s->blen){ - p = s->buf; - len = s->blen; - } else { - memmove(buf, p, len); - p = buf; - } - s->len += len; - e = p + len; - if(len < 56) - i = 56 - len; - else - i = 120 - len; - memset(e, 0, i); - *e = 0x80; - len += i; - - /* append the count */ - x[0] = s->len>>29; - x[1] = s->len<<3; - encode(p+len, x, 8); - - /* digest the last part */ - _sha1block(p, len+8, s->state); - s->len += len+8; - - /* return result and free state */ - encode(digest, s->state, SHA1dlen); - if(s->malloced == 1) - free(s); - return nil; -} - -/* - * encodes input (ulong) into output (uchar). Assumes len is - * a multiple of 4. - */ -static void -encode(uchar *output, u32int *input, ulong len) -{ - u32int x; - uchar *e; - - for(e = output + len; output < e;) { - x = *input++; - *output++ = x >> 24; - *output++ = x >> 16; - *output++ = x >> 8; - *output++ = x; - } -} diff --git a/sys/src/cmd/unix/drawterm/libsec/sha1block.c b/sys/src/cmd/unix/drawterm/libsec/sha1block.c deleted file mode 100644 index 82566f210..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/sha1block.c +++ /dev/null @@ -1,187 +0,0 @@ -#include "os.h" - -void -_sha1block(uchar *p, ulong len, u32int *s) -{ - u32int a, b, c, d, e, x; - uchar *end; - u32int *wp, *wend; - u32int w[80]; - - /* at this point, we have a multiple of 64 bytes */ - for(end = p+len; p < end;){ - a = s[0]; - b = s[1]; - c = s[2]; - d = s[3]; - e = s[4]; - - wend = w + 15; - for(wp = w; wp < wend; wp += 5){ - wp[0] = (p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3]; - e += ((a<<5) | (a>>27)) + wp[0]; - e += 0x5a827999 + (((c^d)&b)^d); - b = (b<<30)|(b>>2); - - wp[1] = (p[4]<<24) | (p[5]<<16) | (p[6]<<8) | p[7]; - d += ((e<<5) | (e>>27)) + wp[1]; - d += 0x5a827999 + (((b^c)&a)^c); - a = (a<<30)|(a>>2); - - wp[2] = (p[8]<<24) | (p[9]<<16) | (p[10]<<8) | p[11]; - c += ((d<<5) | (d>>27)) + wp[2]; - c += 0x5a827999 + (((a^b)&e)^b); - e = (e<<30)|(e>>2); - - wp[3] = (p[12]<<24) | (p[13]<<16) | (p[14]<<8) | p[15]; - b += ((c<<5) | (c>>27)) + wp[3]; - b += 0x5a827999 + (((e^a)&d)^a); - d = (d<<30)|(d>>2); - - wp[4] = (p[16]<<24) | (p[17]<<16) | (p[18]<<8) | p[19]; - a += ((b<<5) | (b>>27)) + wp[4]; - a += 0x5a827999 + (((d^e)&c)^e); - c = (c<<30)|(c>>2); - - p += 20; - } - - wp[0] = (p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3]; - e += ((a<<5) | (a>>27)) + wp[0]; - e += 0x5a827999 + (((c^d)&b)^d); - b = (b<<30)|(b>>2); - - x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15]; - wp[1] = (x<<1) | (x>>31); - d += ((e<<5) | (e>>27)) + wp[1]; - d += 0x5a827999 + (((b^c)&a)^c); - a = (a<<30)|(a>>2); - - x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14]; - wp[2] = (x<<1) | (x>>31); - c += ((d<<5) | (d>>27)) + wp[2]; - c += 0x5a827999 + (((a^b)&e)^b); - e = (e<<30)|(e>>2); - - x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13]; - wp[3] = (x<<1) | (x>>31); - b += ((c<<5) | (c>>27)) + wp[3]; - b += 0x5a827999 + (((e^a)&d)^a); - d = (d<<30)|(d>>2); - - x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12]; - wp[4] = (x<<1) | (x>>31); - a += ((b<<5) | (b>>27)) + wp[4]; - a += 0x5a827999 + (((d^e)&c)^e); - c = (c<<30)|(c>>2); - - wp += 5; - p += 4; - - wend = w + 40; - for(; wp < wend; wp += 5){ - x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16]; - wp[0] = (x<<1) | (x>>31); - e += ((a<<5) | (a>>27)) + wp[0]; - e += 0x6ed9eba1 + (b^c^d); - b = (b<<30)|(b>>2); - - x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15]; - wp[1] = (x<<1) | (x>>31); - d += ((e<<5) | (e>>27)) + wp[1]; - d += 0x6ed9eba1 + (a^b^c); - a = (a<<30)|(a>>2); - - x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14]; - wp[2] = (x<<1) | (x>>31); - c += ((d<<5) | (d>>27)) + wp[2]; - c += 0x6ed9eba1 + (e^a^b); - e = (e<<30)|(e>>2); - - x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13]; - wp[3] = (x<<1) | (x>>31); - b += ((c<<5) | (c>>27)) + wp[3]; - b += 0x6ed9eba1 + (d^e^a); - d = (d<<30)|(d>>2); - - x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12]; - wp[4] = (x<<1) | (x>>31); - a += ((b<<5) | (b>>27)) + wp[4]; - a += 0x6ed9eba1 + (c^d^e); - c = (c<<30)|(c>>2); - } - - wend = w + 60; - for(; wp < wend; wp += 5){ - x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16]; - wp[0] = (x<<1) | (x>>31); - e += ((a<<5) | (a>>27)) + wp[0]; - e += 0x8f1bbcdc + ((b&c)|((b|c)&d)); - b = (b<<30)|(b>>2); - - x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15]; - wp[1] = (x<<1) | (x>>31); - d += ((e<<5) | (e>>27)) + wp[1]; - d += 0x8f1bbcdc + ((a&b)|((a|b)&c)); - a = (a<<30)|(a>>2); - - x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14]; - wp[2] = (x<<1) | (x>>31); - c += ((d<<5) | (d>>27)) + wp[2]; - c += 0x8f1bbcdc + ((e&a)|((e|a)&b)); - e = (e<<30)|(e>>2); - - x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13]; - wp[3] = (x<<1) | (x>>31); - b += ((c<<5) | (c>>27)) + wp[3]; - b += 0x8f1bbcdc + ((d&e)|((d|e)&a)); - d = (d<<30)|(d>>2); - - x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12]; - wp[4] = (x<<1) | (x>>31); - a += ((b<<5) | (b>>27)) + wp[4]; - a += 0x8f1bbcdc + ((c&d)|((c|d)&e)); - c = (c<<30)|(c>>2); - } - - wend = w + 80; - for(; wp < wend; wp += 5){ - x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16]; - wp[0] = (x<<1) | (x>>31); - e += ((a<<5) | (a>>27)) + wp[0]; - e += 0xca62c1d6 + (b^c^d); - b = (b<<30)|(b>>2); - - x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15]; - wp[1] = (x<<1) | (x>>31); - d += ((e<<5) | (e>>27)) + wp[1]; - d += 0xca62c1d6 + (a^b^c); - a = (a<<30)|(a>>2); - - x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14]; - wp[2] = (x<<1) | (x>>31); - c += ((d<<5) | (d>>27)) + wp[2]; - c += 0xca62c1d6 + (e^a^b); - e = (e<<30)|(e>>2); - - x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13]; - wp[3] = (x<<1) | (x>>31); - b += ((c<<5) | (c>>27)) + wp[3]; - b += 0xca62c1d6 + (d^e^a); - d = (d<<30)|(d>>2); - - x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12]; - wp[4] = (x<<1) | (x>>31); - a += ((b<<5) | (b>>27)) + wp[4]; - a += 0xca62c1d6 + (c^d^e); - c = (c<<30)|(c>>2); - } - - /* save state */ - s[0] += a; - s[1] += b; - s[2] += c; - s[3] += d; - s[4] += e; - } -} diff --git a/sys/src/cmd/unix/drawterm/libsec/sha1pickle.c b/sys/src/cmd/unix/drawterm/libsec/sha1pickle.c deleted file mode 100644 index 6139567b5..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/sha1pickle.c +++ /dev/null @@ -1,38 +0,0 @@ -#include "os.h" -#include <libsec.h> - -char* -sha1pickle(SHA1state *s) -{ - char *p; - int m, n; - - m = 5*9+4*((s->blen+3)/3); - p = malloc(m); - if(p == nil) - return p; - n = sprint(p, "%8.8ux %8.8ux %8.8ux %8.8ux %8.8ux ", - s->state[0], s->state[1], s->state[2], - s->state[3], s->state[4]); - enc64(p+n, m-n, s->buf, s->blen); - return p; -} - -SHA1state* -sha1unpickle(char *p) -{ - SHA1state *s; - - s = malloc(sizeof(*s)); - if(s == nil) - return nil; - s->state[0] = strtoul(p, &p, 16); - s->state[1] = strtoul(p, &p, 16); - s->state[2] = strtoul(p, &p, 16); - s->state[3] = strtoul(p, &p, 16); - s->state[4] = strtoul(p, &p, 16); - s->blen = dec64(s->buf, sizeof(s->buf), p, strlen(p)); - s->malloced = 1; - s->seeded = 1; - return s; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/smallprimes.c b/sys/src/cmd/unix/drawterm/libsec/smallprimes.c deleted file mode 100644 index ac23a2f09..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/smallprimes.c +++ /dev/null @@ -1,1004 +0,0 @@ -#include "os.h" - -ulong smallprimes[1000] = { - 2, - 3, - 5, - 7, - 11, - 13, - 17, - 19, - 23, - 29, - 31, - 37, - 41, - 43, - 47, - 53, - 59, - 61, - 67, - 71, - 73, - 79, - 83, - 89, - 97, - 101, - 103, - 107, - 109, - 113, - 127, - 131, - 137, - 139, - 149, - 151, - 157, - 163, - 167, - 173, - 179, - 181, - 191, - 193, - 197, - 199, - 211, - 223, - 227, - 229, - 233, - 239, - 241, - 251, - 257, - 263, - 269, - 271, - 277, - 281, - 283, - 293, - 307, - 311, - 313, - 317, - 331, - 337, - 347, - 349, - 353, - 359, - 367, - 373, - 379, - 383, - 389, - 397, - 401, - 409, - 419, - 421, - 431, - 433, - 439, - 443, - 449, - 457, - 461, - 463, - 467, - 479, - 487, - 491, - 499, - 503, - 509, - 521, - 523, - 541, - 547, - 557, - 563, - 569, - 571, - 577, - 587, - 593, - 599, - 601, - 607, - 613, - 617, - 619, - 631, - 641, - 643, - 647, - 653, - 659, - 661, - 673, - 677, - 683, - 691, - 701, - 709, - 719, - 727, - 733, - 739, - 743, - 751, - 757, - 761, - 769, - 773, - 787, - 797, - 809, - 811, - 821, - 823, - 827, - 829, - 839, - 853, - 857, - 859, - 863, - 877, - 881, - 883, - 887, - 907, - 911, - 919, - 929, - 937, - 941, - 947, - 953, - 967, - 971, - 977, - 983, - 991, - 997, - 1009, - 1013, - 1019, - 1021, - 1031, - 1033, - 1039, - 1049, - 1051, - 1061, - 1063, - 1069, - 1087, - 1091, - 1093, - 1097, - 1103, - 1109, - 1117, - 1123, - 1129, - 1151, - 1153, - 1163, - 1171, - 1181, - 1187, - 1193, - 1201, - 1213, - 1217, - 1223, - 1229, - 1231, - 1237, - 1249, - 1259, - 1277, - 1279, - 1283, - 1289, - 1291, - 1297, - 1301, - 1303, - 1307, - 1319, - 1321, - 1327, - 1361, - 1367, - 1373, - 1381, - 1399, - 1409, - 1423, - 1427, - 1429, - 1433, - 1439, - 1447, - 1451, - 1453, - 1459, - 1471, - 1481, - 1483, - 1487, - 1489, - 1493, - 1499, - 1511, - 1523, - 1531, - 1543, - 1549, - 1553, - 1559, - 1567, - 1571, - 1579, - 1583, - 1597, - 1601, - 1607, - 1609, - 1613, - 1619, - 1621, - 1627, - 1637, - 1657, - 1663, - 1667, - 1669, - 1693, - 1697, - 1699, - 1709, - 1721, - 1723, - 1733, - 1741, - 1747, - 1753, - 1759, - 1777, - 1783, - 1787, - 1789, - 1801, - 1811, - 1823, - 1831, - 1847, - 1861, - 1867, - 1871, - 1873, - 1877, - 1879, - 1889, - 1901, - 1907, - 1913, - 1931, - 1933, - 1949, - 1951, - 1973, - 1979, - 1987, - 1993, - 1997, - 1999, - 2003, - 2011, - 2017, - 2027, - 2029, - 2039, - 2053, - 2063, - 2069, - 2081, - 2083, - 2087, - 2089, - 2099, - 2111, - 2113, - 2129, - 2131, - 2137, - 2141, - 2143, - 2153, - 2161, - 2179, - 2203, - 2207, - 2213, - 2221, - 2237, - 2239, - 2243, - 2251, - 2267, - 2269, - 2273, - 2281, - 2287, - 2293, - 2297, - 2309, - 2311, - 2333, - 2339, - 2341, - 2347, - 2351, - 2357, - 2371, - 2377, - 2381, - 2383, - 2389, - 2393, - 2399, - 2411, - 2417, - 2423, - 2437, - 2441, - 2447, - 2459, - 2467, - 2473, - 2477, - 2503, - 2521, - 2531, - 2539, - 2543, - 2549, - 2551, - 2557, - 2579, - 2591, - 2593, - 2609, - 2617, - 2621, - 2633, - 2647, - 2657, - 2659, - 2663, - 2671, - 2677, - 2683, - 2687, - 2689, - 2693, - 2699, - 2707, - 2711, - 2713, - 2719, - 2729, - 2731, - 2741, - 2749, - 2753, - 2767, - 2777, - 2789, - 2791, - 2797, - 2801, - 2803, - 2819, - 2833, - 2837, - 2843, - 2851, - 2857, - 2861, - 2879, - 2887, - 2897, - 2903, - 2909, - 2917, - 2927, - 2939, - 2953, - 2957, - 2963, - 2969, - 2971, - 2999, - 3001, - 3011, - 3019, - 3023, - 3037, - 3041, - 3049, - 3061, - 3067, - 3079, - 3083, - 3089, - 3109, - 3119, - 3121, - 3137, - 3163, - 3167, - 3169, - 3181, - 3187, - 3191, - 3203, - 3209, - 3217, - 3221, - 3229, - 3251, - 3253, - 3257, - 3259, - 3271, - 3299, - 3301, - 3307, - 3313, - 3319, - 3323, - 3329, - 3331, - 3343, - 3347, - 3359, - 3361, - 3371, - 3373, - 3389, - 3391, - 3407, - 3413, - 3433, - 3449, - 3457, - 3461, - 3463, - 3467, - 3469, - 3491, - 3499, - 3511, - 3517, - 3527, - 3529, - 3533, - 3539, - 3541, - 3547, - 3557, - 3559, - 3571, - 3581, - 3583, - 3593, - 3607, - 3613, - 3617, - 3623, - 3631, - 3637, - 3643, - 3659, - 3671, - 3673, - 3677, - 3691, - 3697, - 3701, - 3709, - 3719, - 3727, - 3733, - 3739, - 3761, - 3767, - 3769, - 3779, - 3793, - 3797, - 3803, - 3821, - 3823, - 3833, - 3847, - 3851, - 3853, - 3863, - 3877, - 3881, - 3889, - 3907, - 3911, - 3917, - 3919, - 3923, - 3929, - 3931, - 3943, - 3947, - 3967, - 3989, - 4001, - 4003, - 4007, - 4013, - 4019, - 4021, - 4027, - 4049, - 4051, - 4057, - 4073, - 4079, - 4091, - 4093, - 4099, - 4111, - 4127, - 4129, - 4133, - 4139, - 4153, - 4157, - 4159, - 4177, - 4201, - 4211, - 4217, - 4219, - 4229, - 4231, - 4241, - 4243, - 4253, - 4259, - 4261, - 4271, - 4273, - 4283, - 4289, - 4297, - 4327, - 4337, - 4339, - 4349, - 4357, - 4363, - 4373, - 4391, - 4397, - 4409, - 4421, - 4423, - 4441, - 4447, - 4451, - 4457, - 4463, - 4481, - 4483, - 4493, - 4507, - 4513, - 4517, - 4519, - 4523, - 4547, - 4549, - 4561, - 4567, - 4583, - 4591, - 4597, - 4603, - 4621, - 4637, - 4639, - 4643, - 4649, - 4651, - 4657, - 4663, - 4673, - 4679, - 4691, - 4703, - 4721, - 4723, - 4729, - 4733, - 4751, - 4759, - 4783, - 4787, - 4789, - 4793, - 4799, - 4801, - 4813, - 4817, - 4831, - 4861, - 4871, - 4877, - 4889, - 4903, - 4909, - 4919, - 4931, - 4933, - 4937, - 4943, - 4951, - 4957, - 4967, - 4969, - 4973, - 4987, - 4993, - 4999, - 5003, - 5009, - 5011, - 5021, - 5023, - 5039, - 5051, - 5059, - 5077, - 5081, - 5087, - 5099, - 5101, - 5107, - 5113, - 5119, - 5147, - 5153, - 5167, - 5171, - 5179, - 5189, - 5197, - 5209, - 5227, - 5231, - 5233, - 5237, - 5261, - 5273, - 5279, - 5281, - 5297, - 5303, - 5309, - 5323, - 5333, - 5347, - 5351, - 5381, - 5387, - 5393, - 5399, - 5407, - 5413, - 5417, - 5419, - 5431, - 5437, - 5441, - 5443, - 5449, - 5471, - 5477, - 5479, - 5483, - 5501, - 5503, - 5507, - 5519, - 5521, - 5527, - 5531, - 5557, - 5563, - 5569, - 5573, - 5581, - 5591, - 5623, - 5639, - 5641, - 5647, - 5651, - 5653, - 5657, - 5659, - 5669, - 5683, - 5689, - 5693, - 5701, - 5711, - 5717, - 5737, - 5741, - 5743, - 5749, - 5779, - 5783, - 5791, - 5801, - 5807, - 5813, - 5821, - 5827, - 5839, - 5843, - 5849, - 5851, - 5857, - 5861, - 5867, - 5869, - 5879, - 5881, - 5897, - 5903, - 5923, - 5927, - 5939, - 5953, - 5981, - 5987, - 6007, - 6011, - 6029, - 6037, - 6043, - 6047, - 6053, - 6067, - 6073, - 6079, - 6089, - 6091, - 6101, - 6113, - 6121, - 6131, - 6133, - 6143, - 6151, - 6163, - 6173, - 6197, - 6199, - 6203, - 6211, - 6217, - 6221, - 6229, - 6247, - 6257, - 6263, - 6269, - 6271, - 6277, - 6287, - 6299, - 6301, - 6311, - 6317, - 6323, - 6329, - 6337, - 6343, - 6353, - 6359, - 6361, - 6367, - 6373, - 6379, - 6389, - 6397, - 6421, - 6427, - 6449, - 6451, - 6469, - 6473, - 6481, - 6491, - 6521, - 6529, - 6547, - 6551, - 6553, - 6563, - 6569, - 6571, - 6577, - 6581, - 6599, - 6607, - 6619, - 6637, - 6653, - 6659, - 6661, - 6673, - 6679, - 6689, - 6691, - 6701, - 6703, - 6709, - 6719, - 6733, - 6737, - 6761, - 6763, - 6779, - 6781, - 6791, - 6793, - 6803, - 6823, - 6827, - 6829, - 6833, - 6841, - 6857, - 6863, - 6869, - 6871, - 6883, - 6899, - 6907, - 6911, - 6917, - 6947, - 6949, - 6959, - 6961, - 6967, - 6971, - 6977, - 6983, - 6991, - 6997, - 7001, - 7013, - 7019, - 7027, - 7039, - 7043, - 7057, - 7069, - 7079, - 7103, - 7109, - 7121, - 7127, - 7129, - 7151, - 7159, - 7177, - 7187, - 7193, - 7207, - 7211, - 7213, - 7219, - 7229, - 7237, - 7243, - 7247, - 7253, - 7283, - 7297, - 7307, - 7309, - 7321, - 7331, - 7333, - 7349, - 7351, - 7369, - 7393, - 7411, - 7417, - 7433, - 7451, - 7457, - 7459, - 7477, - 7481, - 7487, - 7489, - 7499, - 7507, - 7517, - 7523, - 7529, - 7537, - 7541, - 7547, - 7549, - 7559, - 7561, - 7573, - 7577, - 7583, - 7589, - 7591, - 7603, - 7607, - 7621, - 7639, - 7643, - 7649, - 7669, - 7673, - 7681, - 7687, - 7691, - 7699, - 7703, - 7717, - 7723, - 7727, - 7741, - 7753, - 7757, - 7759, - 7789, - 7793, - 7817, - 7823, - 7829, - 7841, - 7853, - 7867, - 7873, - 7877, - 7879, - 7883, - 7901, - 7907, - 7919, -}; diff --git a/sys/src/cmd/unix/drawterm/libsec/smallprimetest.c b/sys/src/cmd/unix/drawterm/libsec/smallprimetest.c deleted file mode 100644 index cf94dac2a..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/smallprimetest.c +++ /dev/null @@ -1,1039 +0,0 @@ -#include "os.h" -#include <mp.h> -#include <libsec.h> - -static ulong smallprimes[] = { - 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, - 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, - 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, - 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, - 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, - 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, - 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, - 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, - 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, - 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, - 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, - 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, - 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, - 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, - 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, - 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, - 947, 953, 967, 971, 977, 983, 991, 997, 1009, 1013, - 1019, 1021, 1031, 1033, 1039, 1049, 1051, 1061, 1063, 1069, - 1087, 1091, 1093, 1097, 1103, 1109, 1117, 1123, 1129, 1151, - 1153, 1163, 1171, 1181, 1187, 1193, 1201, 1213, 1217, 1223, - 1229, 1231, 1237, 1249, 1259, 1277, 1279, 1283, 1289, 1291, - 1297, 1301, 1303, 1307, 1319, 1321, 1327, 1361, 1367, 1373, - 1381, 1399, 1409, 1423, 1427, 1429, 1433, 1439, 1447, 1451, - 1453, 1459, 1471, 1481, 1483, 1487, 1489, 1493, 1499, 1511, - 1523, 1531, 1543, 1549, 1553, 1559, 1567, 1571, 1579, 1583, - 1597, 1601, 1607, 1609, 1613, 1619, 1621, 1627, 1637, 1657, - 1663, 1667, 1669, 1693, 1697, 1699, 1709, 1721, 1723, 1733, - 1741, 1747, 1753, 1759, 1777, 1783, 1787, 1789, 1801, 1811, - 1823, 1831, 1847, 1861, 1867, 1871, 1873, 1877, 1879, 1889, - 1901, 1907, 1913, 1931, 1933, 1949, 1951, 1973, 1979, 1987, - 1993, 1997, 1999, 2003, 2011, 2017, 2027, 2029, 2039, 2053, - 2063, 2069, 2081, 2083, 2087, 2089, 2099, 2111, 2113, 2129, - 2131, 2137, 2141, 2143, 2153, 2161, 2179, 2203, 2207, 2213, - 2221, 2237, 2239, 2243, 2251, 2267, 2269, 2273, 2281, 2287, - 2293, 2297, 2309, 2311, 2333, 2339, 2341, 2347, 2351, 2357, - 2371, 2377, 2381, 2383, 2389, 2393, 2399, 2411, 2417, 2423, - 2437, 2441, 2447, 2459, 2467, 2473, 2477, 2503, 2521, 2531, - 2539, 2543, 2549, 2551, 2557, 2579, 2591, 2593, 2609, 2617, - 2621, 2633, 2647, 2657, 2659, 2663, 2671, 2677, 2683, 2687, - 2689, 2693, 2699, 2707, 2711, 2713, 2719, 2729, 2731, 2741, - 2749, 2753, 2767, 2777, 2789, 2791, 2797, 2801, 2803, 2819, - 2833, 2837, 2843, 2851, 2857, 2861, 2879, 2887, 2897, 2903, - 2909, 2917, 2927, 2939, 2953, 2957, 2963, 2969, 2971, 2999, - 3001, 3011, 3019, 3023, 3037, 3041, 3049, 3061, 3067, 3079, - 3083, 3089, 3109, 3119, 3121, 3137, 3163, 3167, 3169, 3181, - 3187, 3191, 3203, 3209, 3217, 3221, 3229, 3251, 3253, 3257, - 3259, 3271, 3299, 3301, 3307, 3313, 3319, 3323, 3329, 3331, - 3343, 3347, 3359, 3361, 3371, 3373, 3389, 3391, 3407, 3413, - 3433, 3449, 3457, 3461, 3463, 3467, 3469, 3491, 3499, 3511, - 3517, 3527, 3529, 3533, 3539, 3541, 3547, 3557, 3559, 3571, - 3581, 3583, 3593, 3607, 3613, 3617, 3623, 3631, 3637, 3643, - 3659, 3671, 3673, 3677, 3691, 3697, 3701, 3709, 3719, 3727, - 3733, 3739, 3761, 3767, 3769, 3779, 3793, 3797, 3803, 3821, - 3823, 3833, 3847, 3851, 3853, 3863, 3877, 3881, 3889, 3907, - 3911, 3917, 3919, 3923, 3929, 3931, 3943, 3947, 3967, 3989, - 4001, 4003, 4007, 4013, 4019, 4021, 4027, 4049, 4051, 4057, - 4073, 4079, 4091, 4093, 4099, 4111, 4127, 4129, 4133, 4139, - 4153, 4157, 4159, 4177, 4201, 4211, 4217, 4219, 4229, 4231, - 4241, 4243, 4253, 4259, 4261, 4271, 4273, 4283, 4289, 4297, - 4327, 4337, 4339, 4349, 4357, 4363, 4373, 4391, 4397, 4409, - 4421, 4423, 4441, 4447, 4451, 4457, 4463, 4481, 4483, 4493, - 4507, 4513, 4517, 4519, 4523, 4547, 4549, 4561, 4567, 4583, - 4591, 4597, 4603, 4621, 4637, 4639, 4643, 4649, 4651, 4657, - 4663, 4673, 4679, 4691, 4703, 4721, 4723, 4729, 4733, 4751, - 4759, 4783, 4787, 4789, 4793, 4799, 4801, 4813, 4817, 4831, - 4861, 4871, 4877, 4889, 4903, 4909, 4919, 4931, 4933, 4937, - 4943, 4951, 4957, 4967, 4969, 4973, 4987, 4993, 4999, 5003, - 5009, 5011, 5021, 5023, 5039, 5051, 5059, 5077, 5081, 5087, - 5099, 5101, 5107, 5113, 5119, 5147, 5153, 5167, 5171, 5179, - 5189, 5197, 5209, 5227, 5231, 5233, 5237, 5261, 5273, 5279, - 5281, 5297, 5303, 5309, 5323, 5333, 5347, 5351, 5381, 5387, - 5393, 5399, 5407, 5413, 5417, 5419, 5431, 5437, 5441, 5443, - 5449, 5471, 5477, 5479, 5483, 5501, 5503, 5507, 5519, 5521, - 5527, 5531, 5557, 5563, 5569, 5573, 5581, 5591, 5623, 5639, - 5641, 5647, 5651, 5653, 5657, 5659, 5669, 5683, 5689, 5693, - 5701, 5711, 5717, 5737, 5741, 5743, 5749, 5779, 5783, 5791, - 5801, 5807, 5813, 5821, 5827, 5839, 5843, 5849, 5851, 5857, - 5861, 5867, 5869, 5879, 5881, 5897, 5903, 5923, 5927, 5939, - 5953, 5981, 5987, 6007, 6011, 6029, 6037, 6043, 6047, 6053, - 6067, 6073, 6079, 6089, 6091, 6101, 6113, 6121, 6131, 6133, - 6143, 6151, 6163, 6173, 6197, 6199, 6203, 6211, 6217, 6221, - 6229, 6247, 6257, 6263, 6269, 6271, 6277, 6287, 6299, 6301, - 6311, 6317, 6323, 6329, 6337, 6343, 6353, 6359, 6361, 6367, - 6373, 6379, 6389, 6397, 6421, 6427, 6449, 6451, 6469, 6473, - 6481, 6491, 6521, 6529, 6547, 6551, 6553, 6563, 6569, 6571, - 6577, 6581, 6599, 6607, 6619, 6637, 6653, 6659, 6661, 6673, - 6679, 6689, 6691, 6701, 6703, 6709, 6719, 6733, 6737, 6761, - 6763, 6779, 6781, 6791, 6793, 6803, 6823, 6827, 6829, 6833, - 6841, 6857, 6863, 6869, 6871, 6883, 6899, 6907, 6911, 6917, - 6947, 6949, 6959, 6961, 6967, 6971, 6977, 6983, 6991, 6997, - 7001, 7013, 7019, 7027, 7039, 7043, 7057, 7069, 7079, 7103, - 7109, 7121, 7127, 7129, 7151, 7159, 7177, 7187, 7193, 7207, - 7211, 7213, 7219, 7229, 7237, 7243, 7247, 7253, 7283, 7297, - 7307, 7309, 7321, 7331, 7333, 7349, 7351, 7369, 7393, 7411, - 7417, 7433, 7451, 7457, 7459, 7477, 7481, 7487, 7489, 7499, - 7507, 7517, 7523, 7529, 7537, 7541, 7547, 7549, 7559, 7561, - 7573, 7577, 7583, 7589, 7591, 7603, 7607, 7621, 7639, 7643, - 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98017, 98041, 98047, 98057, 98081, 98101, 98123, 98129, 98143, 98179, - 98207, 98213, 98221, 98227, 98251, 98257, 98269, 98297, 98299, 98317, - 98321, 98323, 98327, 98347, 98369, 98377, 98387, 98389, 98407, 98411, - 98419, 98429, 98443, 98453, 98459, 98467, 98473, 98479, 98491, 98507, - 98519, 98533, 98543, 98561, 98563, 98573, 98597, 98621, 98627, 98639, - 98641, 98663, 98669, 98689, 98711, 98713, 98717, 98729, 98731, 98737, - 98773, 98779, 98801, 98807, 98809, 98837, 98849, 98867, 98869, 98873, - 98887, 98893, 98897, 98899, 98909, 98911, 98927, 98929, 98939, 98947, - 98953, 98963, 98981, 98993, 98999, 99013, 99017, 99023, 99041, 99053, - 99079, 99083, 99089, 99103, 99109, 99119, 99131, 99133, 99137, 99139, - 99149, 99173, 99181, 99191, 99223, 99233, 99241, 99251, 99257, 99259, - 99277, 99289, 99317, 99347, 99349, 99367, 99371, 99377, 99391, 99397, - 99401, 99409, 99431, 99439, 99469, 99487, 99497, 99523, 99527, 99529, - 99551, 99559, 99563, 99571, 99577, 99581, 99607, 99611, 99623, 99643, - 99661, 99667, 99679, 99689, 99707, 99709, 99713, 99719, 99721, 99733, - 99761, 99767, 99787, 99793, 99809, 99817, 99823, 99829, 99833, 99839, - 99859, 99871, 99877, 99881, 99901, 99907, 99923, 99929, 99961, 99971, - 99989, 99991, 100003, 100019, 100043, 100049, 100057, 100069, 100103, 100109, - 100129, 100151, 100153, 100169, 100183, 100189, 100193, 100207, 100213, 100237, - 100267, 100271, 100279, 100291, 100297, 100313, 100333, 100343, 100357, 100361, - 100363, 100379, 100391, 100393, 100403, 100411, 100417, 100447, 100459, 100469, - 100483, 100493, 100501, 100511, 100517, 100519, 100523, 100537, 100547, 100549, - 100559, 100591, 100609, 100613, 100621, 100649, 100669, 100673, 100693, 100699, - 100703, 100733, 100741, 100747, 100769, 100787, 100799, 100801, 100811, 100823, - 100829, 100847, 100853, 100907, 100913, 100927, 100931, 100937, 100943, 100957, - 100981, 100987, 100999, 101009, 101021, 101027, 101051, 101063, 101081, 101089, - 101107, 101111, 101113, 101117, 101119, 101141, 101149, 101159, 101161, 101173, - 101183, 101197, 101203, 101207, 101209, 101221, 101267, 101273, 101279, 101281, - 101287, 101293, 101323, 101333, 101341, 101347, 101359, 101363, 101377, 101383, - 101399, 101411, 101419, 101429, 101449, 101467, 101477, 101483, 101489, 101501, - 101503, 101513, 101527, 101531, 101533, 101537, 101561, 101573, 101581, 101599, - 101603, 101611, 101627, 101641, 101653, 101663, 101681, 101693, 101701, 101719, - 101723, 101737, 101741, 101747, 101749, 101771, 101789, 101797, 101807, 101833, - 101837, 101839, 101863, 101869, 101873, 101879, 101891, 101917, 101921, 101929, - 101939, 101957, 101963, 101977, 101987, 101999, 102001, 102013, 102019, 102023, - 102031, 102043, 102059, 102061, 102071, 102077, 102079, 102101, 102103, 102107, - 102121, 102139, 102149, 102161, 102181, 102191, 102197, 102199, 102203, 102217, - 102229, 102233, 102241, 102251, 102253, 102259, 102293, 102299, 102301, 102317, - 102329, 102337, 102359, 102367, 102397, 102407, 102409, 102433, 102437, 102451, - 102461, 102481, 102497, 102499, 102503, 102523, 102533, 102539, 102547, 102551, - 102559, 102563, 102587, 102593, 102607, 102611, 102643, 102647, 102653, 102667, - 102673, 102677, 102679, 102701, 102761, 102763, 102769, 102793, 102797, 102811, - 102829, 102841, 102859, 102871, 102877, 102881, 102911, 102913, 102929, 102931, - 102953, 102967, 102983, 103001, 103007, 103043, 103049, 103067, 103069, 103079, - 103087, 103091, 103093, 103099, 103123, 103141, 103171, 103177, 103183, 103217, - 103231, 103237, 103289, 103291, 103307, 103319, 103333, 103349, 103357, 103387, - 103391, 103393, 103399, 103409, 103421, 103423, 103451, 103457, 103471, 103483, - 103511, 103529, 103549, 103553, 103561, 103567, 103573, 103577, 103583, 103591, - 103613, 103619, 103643, 103651, 103657, 103669, 103681, 103687, 103699, 103703, - 103723, 103769, 103787, 103801, 103811, 103813, 103837, 103841, 103843, 103867, - 103889, 103903, 103913, 103919, 103951, 103963, 103967, 103969, 103979, 103981, - 103991, 103993, 103997, 104003, 104009, 104021, 104033, 104047, 104053, 104059, - 104087, 104089, 104107, 104113, 104119, 104123, 104147, 104149, 104161, 104173, - 104179, 104183, 104207, 104231, 104233, 104239, 104243, 104281, 104287, 104297, - 104309, 104311, 104323, 104327, 104347, 104369, 104381, 104383, 104393, 104399, - 104417, 104459, 104471, 104473, 104479, 104491, 104513, 104527, 104537, 104543, - 104549, 104551, 104561, 104579, 104593, 104597, 104623, 104639, 104651, 104659, - 104677, 104681, 104683, 104693, 104701, 104707, 104711, 104717, 104723, 104729, -}; - -// return 1 if p is divisable by sp, 0 otherwise -static int -divides(mpint *dividend, ulong divisor) -{ - mpdigit d[2], q; - int i; - - d[1] = 0; - for(i = dividend->top-1; i >= 0; i--){ - d[0] = dividend->p[i]; - mpdigdiv(d, divisor, &q); - d[1] = d[0] - divisor*q; - } - return d[1] == 0; -} - -// return -1 if p is divisable by one of the small primes, 0 otherwise -int -smallprimetest(mpint *p) -{ - int i; - ulong sp; - - for(i = 0; i < nelem(smallprimes); i++){ - sp = smallprimes[i]; - if(p->top == 1 && p->p[0] <= sp) - break; - if(divides(p, sp)) - return -1; - } - return 0; -} diff --git a/sys/src/cmd/unix/drawterm/libsec/thumb.c b/sys/src/cmd/unix/drawterm/libsec/thumb.c deleted file mode 100644 index cac95a436..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/thumb.c +++ /dev/null @@ -1,97 +0,0 @@ -#include <u.h> -#include <libc.h> -#include <bio.h> -#include <auth.h> -#include <mp.h> -#include <libsec.h> - -enum{ ThumbTab = 1<<10 }; - -static void * -emalloc(int n) -{ - void *p; - if(n==0) - n=1; - p = malloc(n); - if(p == nil){ - exits("out of memory"); - } - memset(p, 0, n); - return p; -} - -void -freeThumbprints(Thumbprint *table) -{ - Thumbprint *hd, *p, *q; - for(hd = table; hd < table+ThumbTab; hd++){ - for(p = hd->next; p; p = q){ - q = p->next; - free(p); - } - } - free(table); -} - -int -okThumbprint(uchar *sum, Thumbprint *table) -{ - Thumbprint *p; - int i = ((sum[0]<<8) + sum[1]) & (ThumbTab-1); - - for(p = table[i].next; p; p = p->next) - if(memcmp(sum, p->sha1, SHA1dlen) == 0) - return 1; - return 0; -} - -static void -loadThumbprints(char *file, Thumbprint *table, Thumbprint *crltab) -{ - Thumbprint *entry; - Biobuf *bin; - char *line, *field[50]; - uchar sum[SHA1dlen]; - int i; - - bin = Bopen(file, OREAD); - if(bin == nil) - return; - for(; (line = Brdstr(bin, '\n', 1)) != 0; free(line)){ - if(tokenize(line, field, nelem(field)) < 2) - continue; - if(strcmp(field[0], "#include") == 0){ - loadThumbprints(field[1], table, crltab); - continue; - } - if(strcmp(field[0], "x509") != 0 || strncmp(field[1], "sha1=", strlen("sha1=")) != 0) - continue; - field[1] += strlen("sha1="); - dec16(sum, sizeof(sum), field[1], strlen(field[1])); - if(crltab && okThumbprint(sum, crltab)) - continue; - entry = (Thumbprint*)emalloc(sizeof(*entry)); - memcpy(entry->sha1, sum, SHA1dlen); - i = ((sum[0]<<8) + sum[1]) & (ThumbTab-1); - entry->next = table[i].next; - table[i].next = entry; - } - Bterm(bin); -} - -Thumbprint * -initThumbprints(char *ok, char *crl) -{ - Thumbprint *table, *crltab = nil; - - if(crl){ - crltab = emalloc(ThumbTab * sizeof(*table)); - loadThumbprints(crl, crltab, nil); - } - table = emalloc(ThumbTab * sizeof(*table)); - loadThumbprints(ok, table, crltab); - free(crltab); - return table; -} - diff --git a/sys/src/cmd/unix/drawterm/libsec/tlshand.c b/sys/src/cmd/unix/drawterm/libsec/tlshand.c deleted file mode 100644 index 0d04a66e9..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/tlshand.c +++ /dev/null @@ -1,2291 +0,0 @@ -#include <u.h> -#include <libc.h> -#include <bio.h> -#include <auth.h> -#include <mp.h> -#include <libsec.h> - -// The main groups of functions are: -// client/server - main handshake protocol definition -// message functions - formating handshake messages -// cipher choices - catalog of digest and encrypt algorithms -// security functions - PKCS#1, sslHMAC, session keygen -// general utility functions - malloc, serialization -// The handshake protocol builds on the TLS/SSL3 record layer protocol, -// which is implemented in kernel device #a. See also /lib/rfc/rfc2246. - -enum { - TLSFinishedLen = 12, - SSL3FinishedLen = MD5dlen+SHA1dlen, - MaxKeyData = 104, // amount of secret we may need - MaxChunk = 1<<14, - RandomSize = 32, - SidSize = 32, - MasterSecretSize = 48, - AQueue = 0, - AFlush = 1, -}; - -typedef struct TlsSec TlsSec; - -typedef struct Bytes{ - int len; - uchar data[1]; // [len] -} Bytes; - -typedef struct Ints{ - int len; - int data[1]; // [len] -} Ints; - -typedef struct Algs{ - char *enc; - char *digest; - int nsecret; - int tlsid; - int ok; -} Algs; - -typedef struct Finished{ - uchar verify[SSL3FinishedLen]; - int n; -} Finished; - -typedef struct TlsConnection{ - TlsSec *sec; // security management goo - int hand, ctl; // record layer file descriptors - int erred; // set when tlsError called - int (*trace)(char*fmt, ...); // for debugging - int version; // protocol we are speaking - int verset; // version has been set - int ver2hi; // server got a version 2 hello - int isClient; // is this the client or server? - Bytes *sid; // SessionID - Bytes *cert; // only last - no chain - - Lock statelk; - int state; // must be set using setstate - - // input buffer for handshake messages - uchar buf[MaxChunk+2048]; - uchar *rp, *ep; - - uchar crandom[RandomSize]; // client random - uchar srandom[RandomSize]; // server random - int clientVersion; // version in ClientHello - char *digest; // name of digest algorithm to use - char *enc; // name of encryption algorithm to use - int nsecret; // amount of secret data to init keys - - // for finished messages - MD5state hsmd5; // handshake hash - SHAstate hssha1; // handshake hash - Finished finished; -} TlsConnection; - -typedef struct Msg{ - int tag; - union { - struct { - int version; - uchar random[RandomSize]; - Bytes* sid; - Ints* ciphers; - Bytes* compressors; - } clientHello; - struct { - int version; - uchar random[RandomSize]; - Bytes* sid; - int cipher; - int compressor; - } serverHello; - struct { - int ncert; - Bytes **certs; - } certificate; - struct { - Bytes *types; - int nca; - Bytes **cas; - } certificateRequest; - struct { - Bytes *key; - } clientKeyExchange; - Finished finished; - } u; -} Msg; - -typedef struct TlsSec{ - char *server; // name of remote; nil for server - int ok; // <0 killed; ==0 in progress; >0 reusable - RSApub *rsapub; - AuthRpc *rpc; // factotum for rsa private key - uchar sec[MasterSecretSize]; // master secret - uchar crandom[RandomSize]; // client random - uchar srandom[RandomSize]; // server random - int clientVers; // version in ClientHello - int vers; // final version - // byte generation and handshake checksum - void (*prf)(uchar*, int, uchar*, int, char*, uchar*, int, uchar*, int); - void (*setFinished)(TlsSec*, MD5state, SHAstate, uchar*, int); - int nfin; -} TlsSec; - - -enum { - TLSVersion = 0x0301, - SSL3Version = 0x0300, - ProtocolVersion = 0x0301, // maximum version we speak - MinProtoVersion = 0x0300, // limits on version we accept - MaxProtoVersion = 0x03ff, -}; - -// handshake type -enum { - HHelloRequest, - HClientHello, - HServerHello, - HSSL2ClientHello = 9, /* local convention; see devtls.c */ - HCertificate = 11, - HServerKeyExchange, - HCertificateRequest, - HServerHelloDone, - HCertificateVerify, - HClientKeyExchange, - HFinished = 20, - HMax -}; - -// alerts -enum { - ECloseNotify = 0, - EUnexpectedMessage = 10, - EBadRecordMac = 20, - EDecryptionFailed = 21, - ERecordOverflow = 22, - EDecompressionFailure = 30, - EHandshakeFailure = 40, - ENoCertificate = 41, - EBadCertificate = 42, - EUnsupportedCertificate = 43, - ECertificateRevoked = 44, - ECertificateExpired = 45, - ECertificateUnknown = 46, - EIllegalParameter = 47, - EUnknownCa = 48, - EAccessDenied = 49, - EDecodeError = 50, - EDecryptError = 51, - EExportRestriction = 60, - EProtocolVersion = 70, - EInsufficientSecurity = 71, - EInternalError = 80, - EUserCanceled = 90, - ENoRenegotiation = 100, - EMax = 256 -}; - -// cipher suites -enum { - TLS_NULL_WITH_NULL_NULL = 0x0000, - TLS_RSA_WITH_NULL_MD5 = 0x0001, - TLS_RSA_WITH_NULL_SHA = 0x0002, - TLS_RSA_EXPORT_WITH_RC4_40_MD5 = 0x0003, - TLS_RSA_WITH_RC4_128_MD5 = 0x0004, - TLS_RSA_WITH_RC4_128_SHA = 0x0005, - TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5 = 0X0006, - TLS_RSA_WITH_IDEA_CBC_SHA = 0X0007, - TLS_RSA_EXPORT_WITH_DES40_CBC_SHA = 0X0008, - TLS_RSA_WITH_DES_CBC_SHA = 0X0009, - TLS_RSA_WITH_3DES_EDE_CBC_SHA = 0X000A, - TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA = 0X000B, - TLS_DH_DSS_WITH_DES_CBC_SHA = 0X000C, - TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA = 0X000D, - TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA = 0X000E, - TLS_DH_RSA_WITH_DES_CBC_SHA = 0X000F, - TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA = 0X0010, - TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA = 0X0011, - TLS_DHE_DSS_WITH_DES_CBC_SHA = 0X0012, - TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA = 0X0013, // ZZZ must be implemented for tls1.0 compliance - TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA = 0X0014, - TLS_DHE_RSA_WITH_DES_CBC_SHA = 0X0015, - TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA = 0X0016, - TLS_DH_anon_EXPORT_WITH_RC4_40_MD5 = 0x0017, - TLS_DH_anon_WITH_RC4_128_MD5 = 0x0018, - TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA = 0X0019, - TLS_DH_anon_WITH_DES_CBC_SHA = 0X001A, - TLS_DH_anon_WITH_3DES_EDE_CBC_SHA = 0X001B, - - TLS_RSA_WITH_AES_128_CBC_SHA = 0X002f, // aes, aka rijndael with 128 bit blocks - TLS_DH_DSS_WITH_AES_128_CBC_SHA = 0X0030, - TLS_DH_RSA_WITH_AES_128_CBC_SHA = 0X0031, - TLS_DHE_DSS_WITH_AES_128_CBC_SHA = 0X0032, - TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0X0033, - TLS_DH_anon_WITH_AES_128_CBC_SHA = 0X0034, - TLS_RSA_WITH_AES_256_CBC_SHA = 0X0035, - TLS_DH_DSS_WITH_AES_256_CBC_SHA = 0X0036, - TLS_DH_RSA_WITH_AES_256_CBC_SHA = 0X0037, - TLS_DHE_DSS_WITH_AES_256_CBC_SHA = 0X0038, - TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0X0039, - TLS_DH_anon_WITH_AES_256_CBC_SHA = 0X003A, - CipherMax -}; - -// compression methods -enum { - CompressionNull = 0, - CompressionMax -}; - -static Algs cipherAlgs[] = { - {"rc4_128", "md5", 2 * (16 + MD5dlen), TLS_RSA_WITH_RC4_128_MD5}, - {"rc4_128", "sha1", 2 * (16 + SHA1dlen), TLS_RSA_WITH_RC4_128_SHA}, - {"3des_ede_cbc","sha1",2*(4*8+SHA1dlen), TLS_RSA_WITH_3DES_EDE_CBC_SHA}, -}; - -static uchar compressors[] = { - CompressionNull, -}; - -static TlsConnection *tlsServer2(int ctl, int hand, uchar *cert, int ncert, int (*trace)(char*fmt, ...)); -static TlsConnection *tlsClient2(int ctl, int hand, uchar *csid, int ncsid, int (*trace)(char*fmt, ...)); - -static void msgClear(Msg *m); -static char* msgPrint(char *buf, int n, Msg *m); -static int msgRecv(TlsConnection *c, Msg *m); -static int msgSend(TlsConnection *c, Msg *m, int act); -static void tlsError(TlsConnection *c, int err, char *msg, ...); -#pragma varargck argpos tlsError 3 -static int setVersion(TlsConnection *c, int version); -static int finishedMatch(TlsConnection *c, Finished *f); -static void tlsConnectionFree(TlsConnection *c); - -static int setAlgs(TlsConnection *c, int a); -static int okCipher(Ints *cv); -static int okCompression(Bytes *cv); -static int initCiphers(void); -static Ints* makeciphers(void); - -static TlsSec* tlsSecInits(int cvers, uchar *csid, int ncsid, uchar *crandom, uchar *ssid, int *nssid, uchar *srandom); -static int tlsSecSecrets(TlsSec *sec, int vers, uchar *epm, int nepm, uchar *kd, int nkd); -static TlsSec* tlsSecInitc(int cvers, uchar *crandom); -static int tlsSecSecretc(TlsSec *sec, uchar *sid, int nsid, uchar *srandom, uchar *cert, int ncert, int vers, uchar **epm, int *nepm, uchar *kd, int nkd); -static int tlsSecFinished(TlsSec *sec, MD5state md5, SHAstate sha1, uchar *fin, int nfin, int isclient); -static void tlsSecOk(TlsSec *sec); -static void tlsSecKill(TlsSec *sec); -static void tlsSecClose(TlsSec *sec); -static void setMasterSecret(TlsSec *sec, Bytes *pm); -static void serverMasterSecret(TlsSec *sec, uchar *epm, int nepm); -static void setSecrets(TlsSec *sec, uchar *kd, int nkd); -static int clientMasterSecret(TlsSec *sec, RSApub *pub, uchar **epm, int *nepm); -static Bytes *pkcs1_encrypt(Bytes* data, RSApub* key, int blocktype); -static Bytes *pkcs1_decrypt(TlsSec *sec, uchar *epm, int nepm); -static void tlsSetFinished(TlsSec *sec, MD5state hsmd5, SHAstate hssha1, uchar *finished, int isClient); -static void sslSetFinished(TlsSec *sec, MD5state hsmd5, SHAstate hssha1, uchar *finished, int isClient); -static void sslPRF(uchar *buf, int nbuf, uchar *key, int nkey, char *label, - uchar *seed0, int nseed0, uchar *seed1, int nseed1); -static int setVers(TlsSec *sec, int version); - -static AuthRpc* factotum_rsa_open(uchar *cert, int certlen); -static mpint* factotum_rsa_decrypt(AuthRpc *rpc, mpint *cipher); -static void factotum_rsa_close(AuthRpc*rpc); - -static void* emalloc(int); -static void* erealloc(void*, int); -static void put32(uchar *p, u32int); -static void put24(uchar *p, int); -static void put16(uchar *p, int); -static u32int get32(uchar *p); -static int get24(uchar *p); -static int get16(uchar *p); -static Bytes* newbytes(int len); -static Bytes* makebytes(uchar* buf, int len); -static void freebytes(Bytes* b); -static Ints* newints(int len); -static Ints* makeints(int* buf, int len); -static void freeints(Ints* b); - -//================= client/server ======================== - -// push TLS onto fd, returning new (application) file descriptor -// or -1 if error. -int -tlsServer(int fd, TLSconn *conn) -{ - char buf[8]; - char dname[64]; - int n, data, ctl, hand; - TlsConnection *tls; - - if(conn == nil) - return -1; - ctl = open("#a/tls/clone", ORDWR); - if(ctl < 0) - return -1; - n = read(ctl, buf, sizeof(buf)-1); - if(n < 0){ - close(ctl); - return -1; - } - buf[n] = 0; - sprint(conn->dir, "#a/tls/%s", buf); - sprint(dname, "#a/tls/%s/hand", buf); - hand = open(dname, ORDWR); - if(hand < 0){ - close(ctl); - return -1; - } - fprint(ctl, "fd %d 0x%x", fd, ProtocolVersion); - tls = tlsServer2(ctl, hand, conn->cert, conn->certlen, conn->trace); - sprint(dname, "#a/tls/%s/data", buf); - data = open(dname, ORDWR); - close(fd); - close(hand); - close(ctl); - if(data < 0){ - return -1; - } - if(tls == nil){ - close(data); - return -1; - } - if(conn->cert) - free(conn->cert); - conn->cert = 0; // client certificates are not yet implemented - conn->certlen = 0; - conn->sessionIDlen = tls->sid->len; - conn->sessionID = emalloc(conn->sessionIDlen); - memcpy(conn->sessionID, tls->sid->data, conn->sessionIDlen); - tlsConnectionFree(tls); - return data; -} - -// push TLS onto fd, returning new (application) file descriptor -// or -1 if error. -int -tlsClient(int fd, TLSconn *conn) -{ - char buf[8]; - char dname[64]; - int n, data, ctl, hand; - TlsConnection *tls; - - if(!conn) - return -1; - ctl = open("#a/tls/clone", ORDWR); - if(ctl < 0) - return -1; - n = read(ctl, buf, sizeof(buf)-1); - if(n < 0){ - close(ctl); - return -1; - } - buf[n] = 0; - sprint(conn->dir, "#a/tls/%s", buf); - sprint(dname, "#a/tls/%s/hand", buf); - hand = open(dname, ORDWR); - if(hand < 0){ - close(ctl); - return -1; - } - sprint(dname, "#a/tls/%s/data", buf); - data = open(dname, ORDWR); - if(data < 0) - return -1; - fprint(ctl, "fd %d 0x%x", fd, ProtocolVersion); - tls = tlsClient2(ctl, hand, conn->sessionID, conn->sessionIDlen, conn->trace); - close(fd); - close(hand); - close(ctl); - if(tls == nil){ - close(data); - return -1; - } - conn->certlen = tls->cert->len; - conn->cert = emalloc(conn->certlen); - memcpy(conn->cert, tls->cert->data, conn->certlen); - conn->sessionIDlen = tls->sid->len; - conn->sessionID = emalloc(conn->sessionIDlen); - memcpy(conn->sessionID, tls->sid->data, conn->sessionIDlen); - tlsConnectionFree(tls); - return data; -} - -static TlsConnection * -tlsServer2(int ctl, int hand, uchar *cert, int ncert, int (*trace)(char*fmt, ...)) -{ - TlsConnection *c; - Msg m; - Bytes *csid; - uchar sid[SidSize], kd[MaxKeyData]; - char *secrets; - int cipher, compressor, nsid, rv; - - if(trace) - trace("tlsServer2\n"); - if(!initCiphers()) - return nil; - c = emalloc(sizeof(TlsConnection)); - c->ctl = ctl; - c->hand = hand; - c->trace = trace; - c->version = ProtocolVersion; - - memset(&m, 0, sizeof(m)); - if(!msgRecv(c, &m)){ - if(trace) - trace("initial msgRecv failed\n"); - goto Err; - } - if(m.tag != HClientHello) { - tlsError(c, EUnexpectedMessage, "expected a client hello"); - goto Err; - } - c->clientVersion = m.u.clientHello.version; - if(trace) - trace("ClientHello version %x\n", c->clientVersion); - if(setVersion(c, m.u.clientHello.version) < 0) { - tlsError(c, EIllegalParameter, "incompatible version"); - goto Err; - } - - memmove(c->crandom, m.u.clientHello.random, RandomSize); - cipher = okCipher(m.u.clientHello.ciphers); - if(cipher < 0) { - // reply with EInsufficientSecurity if we know that's the case - if(cipher == -2) - tlsError(c, EInsufficientSecurity, "cipher suites too weak"); - else - tlsError(c, EHandshakeFailure, "no matching cipher suite"); - goto Err; - } - if(!setAlgs(c, cipher)){ - tlsError(c, EHandshakeFailure, "no matching cipher suite"); - goto Err; - } - compressor = okCompression(m.u.clientHello.compressors); - if(compressor < 0) { - tlsError(c, EHandshakeFailure, "no matching compressor"); - goto Err; - } - - csid = m.u.clientHello.sid; - if(trace) - trace(" cipher %d, compressor %d, csidlen %d\n", cipher, compressor, csid->len); - c->sec = tlsSecInits(c->clientVersion, csid->data, csid->len, c->crandom, sid, &nsid, c->srandom); - if(c->sec == nil){ - tlsError(c, EHandshakeFailure, "can't initialize security: %r"); - goto Err; - } - c->sec->rpc = factotum_rsa_open(cert, ncert); - if(c->sec->rpc == nil){ - tlsError(c, EHandshakeFailure, "factotum_rsa_open: %r"); - goto Err; - } - c->sec->rsapub = X509toRSApub(cert, ncert, nil, 0); - msgClear(&m); - - m.tag = HServerHello; - m.u.serverHello.version = c->version; - memmove(m.u.serverHello.random, c->srandom, RandomSize); - m.u.serverHello.cipher = cipher; - m.u.serverHello.compressor = compressor; - c->sid = makebytes(sid, nsid); - m.u.serverHello.sid = makebytes(c->sid->data, c->sid->len); - if(!msgSend(c, &m, AQueue)) - goto Err; - msgClear(&m); - - m.tag = HCertificate; - m.u.certificate.ncert = 1; - m.u.certificate.certs = emalloc(m.u.certificate.ncert * sizeof(Bytes)); - m.u.certificate.certs[0] = makebytes(cert, ncert); - if(!msgSend(c, &m, AQueue)) - goto Err; - msgClear(&m); - - m.tag = HServerHelloDone; - if(!msgSend(c, &m, AFlush)) - goto Err; - msgClear(&m); - - if(!msgRecv(c, &m)) - goto Err; - if(m.tag != HClientKeyExchange) { - tlsError(c, EUnexpectedMessage, "expected a client key exchange"); - goto Err; - } - if(tlsSecSecrets(c->sec, c->version, m.u.clientKeyExchange.key->data, m.u.clientKeyExchange.key->len, kd, c->nsecret) < 0){ - tlsError(c, EHandshakeFailure, "couldn't set secrets: %r"); - goto Err; - } - if(trace) - trace("tls secrets\n"); - secrets = (char*)emalloc(2*c->nsecret); - enc64(secrets, 2*c->nsecret, kd, c->nsecret); - rv = fprint(c->ctl, "secret %s %s 0 %s", c->digest, c->enc, secrets); - memset(secrets, 0, 2*c->nsecret); - free(secrets); - memset(kd, 0, c->nsecret); - if(rv < 0){ - tlsError(c, EHandshakeFailure, "can't set keys: %r"); - goto Err; - } - msgClear(&m); - - /* no CertificateVerify; skip to Finished */ - if(tlsSecFinished(c->sec, c->hsmd5, c->hssha1, c->finished.verify, c->finished.n, 1) < 0){ - tlsError(c, EInternalError, "can't set finished: %r"); - goto Err; - } - if(!msgRecv(c, &m)) - goto Err; - if(m.tag != HFinished) { - tlsError(c, EUnexpectedMessage, "expected a finished"); - goto Err; - } - if(!finishedMatch(c, &m.u.finished)) { - tlsError(c, EHandshakeFailure, "finished verification failed"); - goto Err; - } - msgClear(&m); - - /* change cipher spec */ - if(fprint(c->ctl, "changecipher") < 0){ - tlsError(c, EInternalError, "can't enable cipher: %r"); - goto Err; - } - - if(tlsSecFinished(c->sec, c->hsmd5, c->hssha1, c->finished.verify, c->finished.n, 0) < 0){ - tlsError(c, EInternalError, "can't set finished: %r"); - goto Err; - } - m.tag = HFinished; - m.u.finished = c->finished; - if(!msgSend(c, &m, AFlush)) - goto Err; - msgClear(&m); - if(trace) - trace("tls finished\n"); - - if(fprint(c->ctl, "opened") < 0) - goto Err; - tlsSecOk(c->sec); - return c; - -Err: - msgClear(&m); - tlsConnectionFree(c); - return 0; -} - -static TlsConnection * -tlsClient2(int ctl, int hand, uchar *csid, int ncsid, int (*trace)(char*fmt, ...)) -{ - TlsConnection *c; - Msg m; - uchar kd[MaxKeyData], *epm; - char *secrets; - int creq, nepm, rv; - - if(!initCiphers()) - return nil; - epm = nil; - c = emalloc(sizeof(TlsConnection)); - c->version = ProtocolVersion; - c->ctl = ctl; - c->hand = hand; - c->trace = trace; - c->isClient = 1; - c->clientVersion = c->version; - - c->sec = tlsSecInitc(c->clientVersion, c->crandom); - if(c->sec == nil) - goto Err; - - /* client hello */ - memset(&m, 0, sizeof(m)); - m.tag = HClientHello; - m.u.clientHello.version = c->clientVersion; - memmove(m.u.clientHello.random, c->crandom, RandomSize); - m.u.clientHello.sid = makebytes(csid, ncsid); - m.u.clientHello.ciphers = makeciphers(); - m.u.clientHello.compressors = makebytes(compressors,sizeof(compressors)); - if(!msgSend(c, &m, AFlush)) - goto Err; - msgClear(&m); - - /* server hello */ - if(!msgRecv(c, &m)) - goto Err; - if(m.tag != HServerHello) { - tlsError(c, EUnexpectedMessage, "expected a server hello"); - goto Err; - } - if(setVersion(c, m.u.serverHello.version) < 0) { - tlsError(c, EIllegalParameter, "incompatible version %r"); - goto Err; - } - memmove(c->srandom, m.u.serverHello.random, RandomSize); - c->sid = makebytes(m.u.serverHello.sid->data, m.u.serverHello.sid->len); - if(c->sid->len != 0 && c->sid->len != SidSize) { - tlsError(c, EIllegalParameter, "invalid server session identifier"); - goto Err; - } - if(!setAlgs(c, m.u.serverHello.cipher)) { - tlsError(c, EIllegalParameter, "invalid cipher suite"); - goto Err; - } - if(m.u.serverHello.compressor != CompressionNull) { - tlsError(c, EIllegalParameter, "invalid compression"); - goto Err; - } - msgClear(&m); - - /* certificate */ - if(!msgRecv(c, &m) || m.tag != HCertificate) { - tlsError(c, EUnexpectedMessage, "expected a certificate"); - goto Err; - } - if(m.u.certificate.ncert < 1) { - tlsError(c, EIllegalParameter, "runt certificate"); - goto Err; - } - c->cert = makebytes(m.u.certificate.certs[0]->data, m.u.certificate.certs[0]->len); - msgClear(&m); - - /* server key exchange (optional) */ - if(!msgRecv(c, &m)) - goto Err; - if(m.tag == HServerKeyExchange) { - tlsError(c, EUnexpectedMessage, "got an server key exchange"); - goto Err; - // If implementing this later, watch out for rollback attack - // described in Wagner Schneier 1996, section 4.4. - } - - /* certificate request (optional) */ - creq = 0; - if(m.tag == HCertificateRequest) { - creq = 1; - msgClear(&m); - if(!msgRecv(c, &m)) - goto Err; - } - - if(m.tag != HServerHelloDone) { - tlsError(c, EUnexpectedMessage, "expected a server hello done"); - goto Err; - } - msgClear(&m); - - if(tlsSecSecretc(c->sec, c->sid->data, c->sid->len, c->srandom, - c->cert->data, c->cert->len, c->version, &epm, &nepm, - kd, c->nsecret) < 0){ - tlsError(c, EBadCertificate, "invalid x509/rsa certificate"); - goto Err; - } - secrets = (char*)emalloc(2*c->nsecret); - enc64(secrets, 2*c->nsecret, kd, c->nsecret); - rv = fprint(c->ctl, "secret %s %s 1 %s", c->digest, c->enc, secrets); - memset(secrets, 0, 2*c->nsecret); - free(secrets); - memset(kd, 0, c->nsecret); - if(rv < 0){ - tlsError(c, EHandshakeFailure, "can't set keys: %r"); - goto Err; - } - - if(creq) { - /* send a zero length certificate */ - m.tag = HCertificate; - if(!msgSend(c, &m, AFlush)) - goto Err; - msgClear(&m); - } - - /* client key exchange */ - m.tag = HClientKeyExchange; - m.u.clientKeyExchange.key = makebytes(epm, nepm); - free(epm); - epm = nil; - if(m.u.clientKeyExchange.key == nil) { - tlsError(c, EHandshakeFailure, "can't set secret: %r"); - goto Err; - } - if(!msgSend(c, &m, AFlush)) - goto Err; - msgClear(&m); - - /* change cipher spec */ - if(fprint(c->ctl, "changecipher") < 0){ - tlsError(c, EInternalError, "can't enable cipher: %r"); - goto Err; - } - - // Cipherchange must occur immediately before Finished to avoid - // potential hole; see section 4.3 of Wagner Schneier 1996. - if(tlsSecFinished(c->sec, c->hsmd5, c->hssha1, c->finished.verify, c->finished.n, 1) < 0){ - tlsError(c, EInternalError, "can't set finished 1: %r"); - goto Err; - } - m.tag = HFinished; - m.u.finished = c->finished; - - if(!msgSend(c, &m, AFlush)) { - fprint(2, "tlsClient nepm=%d\n", nepm); - tlsError(c, EInternalError, "can't flush after client Finished: %r"); - goto Err; - } - msgClear(&m); - - if(tlsSecFinished(c->sec, c->hsmd5, c->hssha1, c->finished.verify, c->finished.n, 0) < 0){ - fprint(2, "tlsClient nepm=%d\n", nepm); - tlsError(c, EInternalError, "can't set finished 0: %r"); - goto Err; - } - if(!msgRecv(c, &m)) { - fprint(2, "tlsClient nepm=%d\n", nepm); - tlsError(c, EInternalError, "can't read server Finished: %r"); - goto Err; - } - if(m.tag != HFinished) { - fprint(2, "tlsClient nepm=%d\n", nepm); - tlsError(c, EUnexpectedMessage, "expected a Finished msg from server"); - goto Err; - } - - if(!finishedMatch(c, &m.u.finished)) { - tlsError(c, EHandshakeFailure, "finished verification failed"); - goto Err; - } - msgClear(&m); - - if(fprint(c->ctl, "opened") < 0){ - if(trace) - trace("unable to do final open: %r\n"); - goto Err; - } - tlsSecOk(c->sec); - return c; - -Err: - free(epm); - msgClear(&m); - tlsConnectionFree(c); - return 0; -} - - -//================= message functions ======================== - -static uchar sendbuf[9000], *sendp; - -static int -msgSend(TlsConnection *c, Msg *m, int act) -{ - uchar *p; // sendp = start of new message; p = write pointer - int nn, n, i; - - if(sendp == nil) - sendp = sendbuf; - p = sendp; - if(c->trace) - c->trace("send %s", msgPrint((char*)p, (sizeof sendbuf) - (p-sendbuf), m)); - - p[0] = m->tag; // header - fill in size later - p += 4; - - switch(m->tag) { - default: - tlsError(c, EInternalError, "can't encode a %d", m->tag); - goto Err; - case HClientHello: - // version - put16(p, m->u.clientHello.version); - p += 2; - - // random - memmove(p, m->u.clientHello.random, RandomSize); - p += RandomSize; - - // sid - n = m->u.clientHello.sid->len; - assert(n < 256); - p[0] = n; - memmove(p+1, m->u.clientHello.sid->data, n); - p += n+1; - - n = m->u.clientHello.ciphers->len; - assert(n > 0 && n < 200); - put16(p, n*2); - p += 2; - for(i=0; i<n; i++) { - put16(p, m->u.clientHello.ciphers->data[i]); - p += 2; - } - - n = m->u.clientHello.compressors->len; - assert(n > 0); - p[0] = n; - memmove(p+1, m->u.clientHello.compressors->data, n); - p += n+1; - break; - case HServerHello: - put16(p, m->u.serverHello.version); - p += 2; - - // random - memmove(p, m->u.serverHello.random, RandomSize); - p += RandomSize; - - // sid - n = m->u.serverHello.sid->len; - assert(n < 256); - p[0] = n; - memmove(p+1, m->u.serverHello.sid->data, n); - p += n+1; - - put16(p, m->u.serverHello.cipher); - p += 2; - p[0] = m->u.serverHello.compressor; - p += 1; - break; - case HServerHelloDone: - break; - case HCertificate: - nn = 0; - for(i = 0; i < m->u.certificate.ncert; i++) - nn += 3 + m->u.certificate.certs[i]->len; - if(p + 3 + nn - sendbuf > sizeof(sendbuf)) { - tlsError(c, EInternalError, "output buffer too small for certificate"); - goto Err; - } - put24(p, nn); - p += 3; - for(i = 0; i < m->u.certificate.ncert; i++){ - put24(p, m->u.certificate.certs[i]->len); - p += 3; - memmove(p, m->u.certificate.certs[i]->data, m->u.certificate.certs[i]->len); - p += m->u.certificate.certs[i]->len; - } - break; - case HClientKeyExchange: - n = m->u.clientKeyExchange.key->len; - if(c->version != SSL3Version){ - put16(p, n); - p += 2; - } - memmove(p, m->u.clientKeyExchange.key->data, n); - p += n; - break; - case HFinished: - memmove(p, m->u.finished.verify, m->u.finished.n); - p += m->u.finished.n; - break; - } - - // go back and fill in size - n = p-sendp; - assert(p <= sendbuf+sizeof(sendbuf)); - put24(sendp+1, n-4); - - // remember hash of Handshake messages - if(m->tag != HHelloRequest) { - md5(sendp, n, 0, &c->hsmd5); - sha1(sendp, n, 0, &c->hssha1); - } - - sendp = p; - if(act == AFlush){ - sendp = sendbuf; - if(write(c->hand, sendbuf, p-sendbuf) < 0){ - fprint(2, "write error: %r\n"); - goto Err; - } - } - msgClear(m); - return 1; -Err: - msgClear(m); - return 0; -} - -static uchar* -tlsReadN(TlsConnection *c, int n) -{ - uchar *p; - int nn, nr; - - nn = c->ep - c->rp; - if(nn < n){ - if(c->rp != c->buf){ - memmove(c->buf, c->rp, nn); - c->rp = c->buf; - c->ep = &c->buf[nn]; - } - for(; nn < n; nn += nr) { - nr = read(c->hand, &c->rp[nn], n - nn); - if(nr <= 0) - return nil; - c->ep += nr; - } - } - p = c->rp; - c->rp += n; - return p; -} - -static int -msgRecv(TlsConnection *c, Msg *m) -{ - uchar *p; - int type, n, nn, i, nsid, nrandom, nciph; - - for(;;) { - p = tlsReadN(c, 4); - if(p == nil) - return 0; - type = p[0]; - n = get24(p+1); - - if(type != HHelloRequest) - break; - if(n != 0) { - tlsError(c, EDecodeError, "invalid hello request during handshake"); - return 0; - } - } - - if(n > sizeof(c->buf)) { - tlsError(c, EDecodeError, "handshake message too long %d %d", n, sizeof(c->buf)); - return 0; - } - - if(type == HSSL2ClientHello){ - /* Cope with an SSL3 ClientHello expressed in SSL2 record format. - This is sent by some clients that we must interoperate - with, such as Java's JSSE and Microsoft's Internet Explorer. */ - p = tlsReadN(c, n); - if(p == nil) - return 0; - md5(p, n, 0, &c->hsmd5); - sha1(p, n, 0, &c->hssha1); - m->tag = HClientHello; - if(n < 22) - goto Short; - m->u.clientHello.version = get16(p+1); - p += 3; - n -= 3; - nn = get16(p); /* cipher_spec_len */ - nsid = get16(p + 2); - nrandom = get16(p + 4); - p += 6; - n -= 6; - if(nsid != 0 /* no sid's, since shouldn't restart using ssl2 header */ - || nrandom < 16 || nn % 3) - goto Err; - if(c->trace && (n - nrandom != nn)) - c->trace("n-nrandom!=nn: n=%d nrandom=%d nn=%d\n", n, nrandom, nn); - /* ignore ssl2 ciphers and look for {0x00, ssl3 cipher} */ - nciph = 0; - for(i = 0; i < nn; i += 3) - if(p[i] == 0) - nciph++; - m->u.clientHello.ciphers = newints(nciph); - nciph = 0; - for(i = 0; i < nn; i += 3) - if(p[i] == 0) - m->u.clientHello.ciphers->data[nciph++] = get16(&p[i + 1]); - p += nn; - m->u.clientHello.sid = makebytes(nil, 0); - if(nrandom > RandomSize) - nrandom = RandomSize; - memset(m->u.clientHello.random, 0, RandomSize - nrandom); - memmove(&m->u.clientHello.random[RandomSize - nrandom], p, nrandom); - m->u.clientHello.compressors = newbytes(1); - m->u.clientHello.compressors->data[0] = CompressionNull; - goto Ok; - } - - md5(p, 4, 0, &c->hsmd5); - sha1(p, 4, 0, &c->hssha1); - - p = tlsReadN(c, n); - if(p == nil) - return 0; - - md5(p, n, 0, &c->hsmd5); - sha1(p, n, 0, &c->hssha1); - - m->tag = type; - - switch(type) { - default: - tlsError(c, EUnexpectedMessage, "can't decode a %d", type); - goto Err; - case HClientHello: - if(n < 2) - goto Short; - m->u.clientHello.version = get16(p); - p += 2; - n -= 2; - - if(n < RandomSize) - goto Short; - memmove(m->u.clientHello.random, p, RandomSize); - p += RandomSize; - n -= RandomSize; - if(n < 1 || n < p[0]+1) - goto Short; - m->u.clientHello.sid = makebytes(p+1, p[0]); - p += m->u.clientHello.sid->len+1; - n -= m->u.clientHello.sid->len+1; - - if(n < 2) - goto Short; - nn = get16(p); - p += 2; - n -= 2; - - if((nn & 1) || n < nn || nn < 2) - goto Short; - m->u.clientHello.ciphers = newints(nn >> 1); - for(i = 0; i < nn; i += 2) - m->u.clientHello.ciphers->data[i >> 1] = get16(&p[i]); - p += nn; - n -= nn; - - if(n < 1 || n < p[0]+1 || p[0] == 0) - goto Short; - nn = p[0]; - m->u.clientHello.compressors = newbytes(nn); - memmove(m->u.clientHello.compressors->data, p+1, nn); - n -= nn + 1; - break; - case HServerHello: - if(n < 2) - goto Short; - m->u.serverHello.version = get16(p); - p += 2; - n -= 2; - - if(n < RandomSize) - goto Short; - memmove(m->u.serverHello.random, p, RandomSize); - p += RandomSize; - n -= RandomSize; - - if(n < 1 || n < p[0]+1) - goto Short; - m->u.serverHello.sid = makebytes(p+1, p[0]); - p += m->u.serverHello.sid->len+1; - n -= m->u.serverHello.sid->len+1; - - if(n < 3) - goto Short; - m->u.serverHello.cipher = get16(p); - m->u.serverHello.compressor = p[2]; - n -= 3; - break; - case HCertificate: - if(n < 3) - goto Short; - nn = get24(p); - p += 3; - n -= 3; - if(n != nn) - goto Short; - /* certs */ - i = 0; - while(n > 0) { - if(n < 3) - goto Short; - nn = get24(p); - p += 3; - n -= 3; - if(nn > n) - goto Short; - m->u.certificate.ncert = i+1; - m->u.certificate.certs = erealloc(m->u.certificate.certs, (i+1)*sizeof(Bytes)); - m->u.certificate.certs[i] = makebytes(p, nn); - p += nn; - n -= nn; - i++; - } - break; - case HCertificateRequest: - if(n < 2) - goto Short; - nn = get16(p); - p += 2; - n -= 2; - if(nn < 1 || nn > n) - goto Short; - m->u.certificateRequest.types = makebytes(p, nn); - nn = get24(p); - p += 3; - n -= 3; - if(nn == 0 || n != nn) - goto Short; - /* cas */ - i = 0; - while(n > 0) { - if(n < 2) - goto Short; - nn = get16(p); - p += 2; - n -= 2; - if(nn < 1 || nn > n) - goto Short; - m->u.certificateRequest.nca = i+1; - m->u.certificateRequest.cas = erealloc(m->u.certificateRequest.cas, (i+1)*sizeof(Bytes)); - m->u.certificateRequest.cas[i] = makebytes(p, nn); - p += nn; - n -= nn; - i++; - } - break; - case HServerHelloDone: - break; - case HClientKeyExchange: - /* - * this message depends upon the encryption selected - * assume rsa. - */ - if(c->version == SSL3Version) - nn = n; - else{ - if(n < 2) - goto Short; - nn = get16(p); - p += 2; - n -= 2; - } - if(n < nn) - goto Short; - m->u.clientKeyExchange.key = makebytes(p, nn); - n -= nn; - break; - case HFinished: - m->u.finished.n = c->finished.n; - if(n < m->u.finished.n) - goto Short; - memmove(m->u.finished.verify, p, m->u.finished.n); - n -= m->u.finished.n; - break; - } - - if(type != HClientHello && n != 0) - goto Short; -Ok: - if(c->trace){ - char buf[8000]; - c->trace("recv %s", msgPrint(buf, sizeof buf, m)); - } - return 1; -Short: - tlsError(c, EDecodeError, "handshake message has invalid length"); -Err: - msgClear(m); - return 0; -} - -static void -msgClear(Msg *m) -{ - int i; - - switch(m->tag) { - default: - sysfatal("msgClear: unknown message type: %d", m->tag); - case HHelloRequest: - break; - case HClientHello: - freebytes(m->u.clientHello.sid); - freeints(m->u.clientHello.ciphers); - freebytes(m->u.clientHello.compressors); - break; - case HServerHello: - freebytes(m->u.clientHello.sid); - break; - case HCertificate: - for(i=0; i<m->u.certificate.ncert; i++) - freebytes(m->u.certificate.certs[i]); - free(m->u.certificate.certs); - break; - case HCertificateRequest: - freebytes(m->u.certificateRequest.types); - for(i=0; i<m->u.certificateRequest.nca; i++) - freebytes(m->u.certificateRequest.cas[i]); - free(m->u.certificateRequest.cas); - break; - case HServerHelloDone: - break; - case HClientKeyExchange: - freebytes(m->u.clientKeyExchange.key); - break; - case HFinished: - break; - } - memset(m, 0, sizeof(Msg)); -} - -static char * -bytesPrint(char *bs, char *be, char *s0, Bytes *b, char *s1) -{ - int i; - - if(s0) - bs = seprint(bs, be, "%s", s0); - bs = seprint(bs, be, "["); - if(b == nil) - bs = seprint(bs, be, "nil"); - else - for(i=0; i<b->len; i++) - bs = seprint(bs, be, "%.2x ", b->data[i]); - bs = seprint(bs, be, "]"); - if(s1) - bs = seprint(bs, be, "%s", s1); - return bs; -} - -static char * -intsPrint(char *bs, char *be, char *s0, Ints *b, char *s1) -{ - int i; - - if(s0) - bs = seprint(bs, be, "%s", s0); - bs = seprint(bs, be, "["); - if(b == nil) - bs = seprint(bs, be, "nil"); - else - for(i=0; i<b->len; i++) - bs = seprint(bs, be, "%x ", b->data[i]); - bs = seprint(bs, be, "]"); - if(s1) - bs = seprint(bs, be, "%s", s1); - return bs; -} - -static char* -msgPrint(char *buf, int n, Msg *m) -{ - int i; - char *bs = buf, *be = buf+n; - - switch(m->tag) { - default: - bs = seprint(bs, be, "unknown %d\n", m->tag); - break; - case HClientHello: - bs = seprint(bs, be, "ClientHello\n"); - bs = seprint(bs, be, "\tversion: %.4x\n", m->u.clientHello.version); - bs = seprint(bs, be, "\trandom: "); - for(i=0; i<RandomSize; i++) - bs = seprint(bs, be, "%.2x", m->u.clientHello.random[i]); - bs = seprint(bs, be, "\n"); - bs = bytesPrint(bs, be, "\tsid: ", m->u.clientHello.sid, "\n"); - bs = intsPrint(bs, be, "\tciphers: ", m->u.clientHello.ciphers, "\n"); - bs = bytesPrint(bs, be, "\tcompressors: ", m->u.clientHello.compressors, "\n"); - break; - case HServerHello: - bs = seprint(bs, be, "ServerHello\n"); - bs = seprint(bs, be, "\tversion: %.4x\n", m->u.serverHello.version); - bs = seprint(bs, be, "\trandom: "); - for(i=0; i<RandomSize; i++) - bs = seprint(bs, be, "%.2x", m->u.serverHello.random[i]); - bs = seprint(bs, be, "\n"); - bs = bytesPrint(bs, be, "\tsid: ", m->u.serverHello.sid, "\n"); - bs = seprint(bs, be, "\tcipher: %.4x\n", m->u.serverHello.cipher); - bs = seprint(bs, be, "\tcompressor: %.2x\n", m->u.serverHello.compressor); - break; - case HCertificate: - bs = seprint(bs, be, "Certificate\n"); - for(i=0; i<m->u.certificate.ncert; i++) - bs = bytesPrint(bs, be, "\t", m->u.certificate.certs[i], "\n"); - break; - case HCertificateRequest: - bs = seprint(bs, be, "CertificateRequest\n"); - bs = bytesPrint(bs, be, "\ttypes: ", m->u.certificateRequest.types, "\n"); - bs = seprint(bs, be, "\tcertificateauthorities\n"); - for(i=0; i<m->u.certificateRequest.nca; i++) - bs = bytesPrint(bs, be, "\t\t", m->u.certificateRequest.cas[i], "\n"); - break; - case HServerHelloDone: - bs = seprint(bs, be, "ServerHelloDone\n"); - break; - case HClientKeyExchange: - bs = seprint(bs, be, "HClientKeyExchange\n"); - bs = bytesPrint(bs, be, "\tkey: ", m->u.clientKeyExchange.key, "\n"); - break; - case HFinished: - bs = seprint(bs, be, "HFinished\n"); - for(i=0; i<m->u.finished.n; i++) - bs = seprint(bs, be, "%.2x", m->u.finished.verify[i]); - bs = seprint(bs, be, "\n"); - break; - } - USED(bs); - return buf; -} - -static void -tlsError(TlsConnection *c, int err, char *fmt, ...) -{ - char msg[512]; - va_list arg; - - va_start(arg, fmt); - vseprint(msg, msg+sizeof(msg), fmt, arg); - va_end(arg); - if(c->trace) - c->trace("tlsError: %s\n", msg); - else if(c->erred) - fprint(2, "double error: %r, %s", msg); - else - werrstr("tls: local %s", msg); - c->erred = 1; - fprint(c->ctl, "alert %d", err); -} - -// commit to specific version number -static int -setVersion(TlsConnection *c, int version) -{ - if(c->verset || version > MaxProtoVersion || version < MinProtoVersion) - return -1; - if(version > c->version) - version = c->version; - if(version == SSL3Version) { - c->version = version; - c->finished.n = SSL3FinishedLen; - }else if(version == TLSVersion){ - c->version = version; - c->finished.n = TLSFinishedLen; - }else - return -1; - c->verset = 1; - return fprint(c->ctl, "version 0x%x", version); -} - -// confirm that received Finished message matches the expected value -static int -finishedMatch(TlsConnection *c, Finished *f) -{ - return memcmp(f->verify, c->finished.verify, f->n) == 0; -} - -// free memory associated with TlsConnection struct -// (but don't close the TLS channel itself) -static void -tlsConnectionFree(TlsConnection *c) -{ - tlsSecClose(c->sec); - freebytes(c->sid); - freebytes(c->cert); - memset(c, 0, sizeof(c)); - free(c); -} - - -//================= cipher choices ======================== - -static int weakCipher[CipherMax] = -{ - 1, /* TLS_NULL_WITH_NULL_NULL */ - 1, /* TLS_RSA_WITH_NULL_MD5 */ - 1, /* TLS_RSA_WITH_NULL_SHA */ - 1, /* TLS_RSA_EXPORT_WITH_RC4_40_MD5 */ - 0, /* TLS_RSA_WITH_RC4_128_MD5 */ - 0, /* TLS_RSA_WITH_RC4_128_SHA */ - 1, /* TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5 */ - 0, /* TLS_RSA_WITH_IDEA_CBC_SHA */ - 1, /* TLS_RSA_EXPORT_WITH_DES40_CBC_SHA */ - 0, /* TLS_RSA_WITH_DES_CBC_SHA */ - 0, /* TLS_RSA_WITH_3DES_EDE_CBC_SHA */ - 1, /* TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA */ - 0, /* TLS_DH_DSS_WITH_DES_CBC_SHA */ - 0, /* TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA */ - 1, /* TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA */ - 0, /* TLS_DH_RSA_WITH_DES_CBC_SHA */ - 0, /* TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA */ - 1, /* TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA */ - 0, /* TLS_DHE_DSS_WITH_DES_CBC_SHA */ - 0, /* TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA */ - 1, /* TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA */ - 0, /* TLS_DHE_RSA_WITH_DES_CBC_SHA */ - 0, /* TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA */ - 1, /* TLS_DH_anon_EXPORT_WITH_RC4_40_MD5 */ - 1, /* TLS_DH_anon_WITH_RC4_128_MD5 */ - 1, /* TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA */ - 1, /* TLS_DH_anon_WITH_DES_CBC_SHA */ - 1, /* TLS_DH_anon_WITH_3DES_EDE_CBC_SHA */ -}; - -static int -setAlgs(TlsConnection *c, int a) -{ - int i; - - for(i = 0; i < nelem(cipherAlgs); i++){ - if(cipherAlgs[i].tlsid == a){ - c->enc = cipherAlgs[i].enc; - c->digest = cipherAlgs[i].digest; - c->nsecret = cipherAlgs[i].nsecret; - if(c->nsecret > MaxKeyData) - return 0; - return 1; - } - } - return 0; -} - -static int -okCipher(Ints *cv) -{ - int weak, i, j, c; - - weak = 1; - for(i = 0; i < cv->len; i++) { - c = cv->data[i]; - if(c >= CipherMax) - weak = 0; - else - weak &= weakCipher[c]; - for(j = 0; j < nelem(cipherAlgs); j++) - if(cipherAlgs[j].ok && cipherAlgs[j].tlsid == c) - return c; - } - if(weak) - return -2; - return -1; -} - -static int -okCompression(Bytes *cv) -{ - int i, j, c; - - for(i = 0; i < cv->len; i++) { - c = cv->data[i]; - for(j = 0; j < nelem(compressors); j++) { - if(compressors[j] == c) - return c; - } - } - return -1; -} - -static Lock ciphLock; -static int nciphers; - -static int -initCiphers(void) -{ - enum {MaxAlgF = 1024, MaxAlgs = 10}; - char s[MaxAlgF], *flds[MaxAlgs]; - int i, j, n, ok; - - lock(&ciphLock); - if(nciphers){ - unlock(&ciphLock); - return nciphers; - } - j = open("#a/tls/encalgs", OREAD); - if(j < 0){ - werrstr("can't open #a/tls/encalgs: %r"); - return 0; - } - n = read(j, s, MaxAlgF-1); - close(j); - if(n <= 0){ - werrstr("nothing in #a/tls/encalgs: %r"); - return 0; - } - s[n] = 0; - n = getfields(s, flds, MaxAlgs, 1, " \t\r\n"); - for(i = 0; i < nelem(cipherAlgs); i++){ - ok = 0; - for(j = 0; j < n; j++){ - if(strcmp(cipherAlgs[i].enc, flds[j]) == 0){ - ok = 1; - break; - } - } - cipherAlgs[i].ok = ok; - } - - j = open("#a/tls/hashalgs", OREAD); - if(j < 0){ - werrstr("can't open #a/tls/hashalgs: %r"); - return 0; - } - n = read(j, s, MaxAlgF-1); - close(j); - if(n <= 0){ - werrstr("nothing in #a/tls/hashalgs: %r"); - return 0; - } - s[n] = 0; - n = getfields(s, flds, MaxAlgs, 1, " \t\r\n"); - for(i = 0; i < nelem(cipherAlgs); i++){ - ok = 0; - for(j = 0; j < n; j++){ - if(strcmp(cipherAlgs[i].digest, flds[j]) == 0){ - ok = 1; - break; - } - } - cipherAlgs[i].ok &= ok; - if(cipherAlgs[i].ok) - nciphers++; - } - unlock(&ciphLock); - return nciphers; -} - -static Ints* -makeciphers(void) -{ - Ints *is; - int i, j; - - is = newints(nciphers); - j = 0; - for(i = 0; i < nelem(cipherAlgs); i++){ - if(cipherAlgs[i].ok) - is->data[j++] = cipherAlgs[i].tlsid; - } - return is; -} - - - -//================= security functions ======================== - -// given X.509 certificate, set up connection to factotum -// for using corresponding private key -static AuthRpc* -factotum_rsa_open(uchar *cert, int certlen) -{ - int afd; - char *s; - mpint *pub = nil; - RSApub *rsapub; - AuthRpc *rpc; - - // start talking to factotum - if((afd = open("/mnt/factotum/rpc", ORDWR)) < 0) - return nil; - if((rpc = auth_allocrpc(afd)) == nil){ - close(afd); - return nil; - } - s = "proto=rsa service=tls role=client"; - if(auth_rpc(rpc, "start", s, strlen(s)) != ARok){ - factotum_rsa_close(rpc); - return nil; - } - - // roll factotum keyring around to match certificate - rsapub = X509toRSApub(cert, certlen, nil, 0); - while(1){ - if(auth_rpc(rpc, "read", nil, 0) != ARok){ - factotum_rsa_close(rpc); - rpc = nil; - goto done; - } - pub = strtomp(rpc->arg, nil, 16, nil); - assert(pub != nil); - if(mpcmp(pub,rsapub->n) == 0) - break; - } -done: - mpfree(pub); - rsapubfree(rsapub); - return rpc; -} - -static mpint* -factotum_rsa_decrypt(AuthRpc *rpc, mpint *cipher) -{ - char *p; - int rv; - - if((p = mptoa(cipher, 16, nil, 0)) == nil) - return nil; - rv = auth_rpc(rpc, "write", p, strlen(p)); - free(p); - if(rv != ARok || auth_rpc(rpc, "read", nil, 0) != ARok) - return nil; - mpfree(cipher); - return strtomp(rpc->arg, nil, 16, nil); -} - -static void -factotum_rsa_close(AuthRpc*rpc) -{ - if(!rpc) - return; - close(rpc->afd); - auth_freerpc(rpc); -} - -static void -tlsPmd5(uchar *buf, int nbuf, uchar *key, int nkey, uchar *label, int nlabel, uchar *seed0, int nseed0, uchar *seed1, int nseed1) -{ - uchar ai[MD5dlen], tmp[MD5dlen]; - int i, n; - MD5state *s; - - // generate a1 - s = hmac_md5(label, nlabel, key, nkey, nil, nil); - s = hmac_md5(seed0, nseed0, key, nkey, nil, s); - hmac_md5(seed1, nseed1, key, nkey, ai, s); - - while(nbuf > 0) { - s = hmac_md5(ai, MD5dlen, key, nkey, nil, nil); - s = hmac_md5(label, nlabel, key, nkey, nil, s); - s = hmac_md5(seed0, nseed0, key, nkey, nil, s); - hmac_md5(seed1, nseed1, key, nkey, tmp, s); - n = MD5dlen; - if(n > nbuf) - n = nbuf; - for(i = 0; i < n; i++) - buf[i] ^= tmp[i]; - buf += n; - nbuf -= n; - hmac_md5(ai, MD5dlen, key, nkey, tmp, nil); - memmove(ai, tmp, MD5dlen); - } -} - -static void -tlsPsha1(uchar *buf, int nbuf, uchar *key, int nkey, uchar *label, int nlabel, uchar *seed0, int nseed0, uchar *seed1, int nseed1) -{ - uchar ai[SHA1dlen], tmp[SHA1dlen]; - int i, n; - SHAstate *s; - - // generate a1 - s = hmac_sha1(label, nlabel, key, nkey, nil, nil); - s = hmac_sha1(seed0, nseed0, key, nkey, nil, s); - hmac_sha1(seed1, nseed1, key, nkey, ai, s); - - while(nbuf > 0) { - s = hmac_sha1(ai, SHA1dlen, key, nkey, nil, nil); - s = hmac_sha1(label, nlabel, key, nkey, nil, s); - s = hmac_sha1(seed0, nseed0, key, nkey, nil, s); - hmac_sha1(seed1, nseed1, key, nkey, tmp, s); - n = SHA1dlen; - if(n > nbuf) - n = nbuf; - for(i = 0; i < n; i++) - buf[i] ^= tmp[i]; - buf += n; - nbuf -= n; - hmac_sha1(ai, SHA1dlen, key, nkey, tmp, nil); - memmove(ai, tmp, SHA1dlen); - } -} - -// fill buf with md5(args)^sha1(args) -static void -tlsPRF(uchar *buf, int nbuf, uchar *key, int nkey, char *label, uchar *seed0, int nseed0, uchar *seed1, int nseed1) -{ - int i; - int nlabel = strlen(label); - int n = (nkey + 1) >> 1; - - for(i = 0; i < nbuf; i++) - buf[i] = 0; - tlsPmd5(buf, nbuf, key, n, (uchar*)label, nlabel, seed0, nseed0, seed1, nseed1); - tlsPsha1(buf, nbuf, key+nkey-n, n, (uchar*)label, nlabel, seed0, nseed0, seed1, nseed1); -} - -/* - * for setting server session id's - */ -static Lock sidLock; -static long maxSid = 1; - -/* the keys are verified to have the same public components - * and to function correctly with pkcs 1 encryption and decryption. */ -static TlsSec* -tlsSecInits(int cvers, uchar *csid, int ncsid, uchar *crandom, uchar *ssid, int *nssid, uchar *srandom) -{ - TlsSec *sec = emalloc(sizeof(*sec)); - - USED(csid); USED(ncsid); // ignore csid for now - - memmove(sec->crandom, crandom, RandomSize); - sec->clientVers = cvers; - - put32(sec->srandom, time(0)); - genrandom(sec->srandom+4, RandomSize-4); - memmove(srandom, sec->srandom, RandomSize); - - /* - * make up a unique sid: use our pid, and and incrementing id - * can signal no sid by setting nssid to 0. - */ - memset(ssid, 0, SidSize); - put32(ssid, getpid()); - lock(&sidLock); - put32(ssid+4, maxSid++); - unlock(&sidLock); - *nssid = SidSize; - return sec; -} - -static int -tlsSecSecrets(TlsSec *sec, int vers, uchar *epm, int nepm, uchar *kd, int nkd) -{ - if(epm != nil){ - if(setVers(sec, vers) < 0) - goto Err; - serverMasterSecret(sec, epm, nepm); - }else if(sec->vers != vers){ - werrstr("mismatched session versions"); - goto Err; - } - setSecrets(sec, kd, nkd); - return 0; -Err: - sec->ok = -1; - return -1; -} - -static TlsSec* -tlsSecInitc(int cvers, uchar *crandom) -{ - TlsSec *sec = emalloc(sizeof(*sec)); - sec->clientVers = cvers; - put32(sec->crandom, time(0)); - genrandom(sec->crandom+4, RandomSize-4); - memmove(crandom, sec->crandom, RandomSize); - return sec; -} - -static int -tlsSecSecretc(TlsSec *sec, uchar *sid, int nsid, uchar *srandom, uchar *cert, int ncert, int vers, uchar **epm, int *nepm, uchar *kd, int nkd) -{ - RSApub *pub; - - pub = nil; - - USED(sid); - USED(nsid); - - memmove(sec->srandom, srandom, RandomSize); - - if(setVers(sec, vers) < 0) - goto Err; - - pub = X509toRSApub(cert, ncert, nil, 0); - if(pub == nil){ - werrstr("invalid x509/rsa certificate"); - goto Err; - } - if(clientMasterSecret(sec, pub, epm, nepm) < 0) - goto Err; - rsapubfree(pub); - setSecrets(sec, kd, nkd); - return 0; - -Err: - if(pub != nil) - rsapubfree(pub); - sec->ok = -1; - return -1; -} - -static int -tlsSecFinished(TlsSec *sec, MD5state md5, SHAstate sha1, uchar *fin, int nfin, int isclient) -{ - if(sec->nfin != nfin){ - sec->ok = -1; - werrstr("invalid finished exchange"); - return -1; - } - md5.malloced = 0; - sha1.malloced = 0; - (*sec->setFinished)(sec, md5, sha1, fin, isclient); - return 1; -} - -static void -tlsSecOk(TlsSec *sec) -{ - if(sec->ok == 0) - sec->ok = 1; -} - -static void -tlsSecKill(TlsSec *sec) -{ - if(!sec) - return; - factotum_rsa_close(sec->rpc); - sec->ok = -1; -} - -static void -tlsSecClose(TlsSec *sec) -{ - if(!sec) - return; - factotum_rsa_close(sec->rpc); - free(sec->server); - free(sec); -} - -static int -setVers(TlsSec *sec, int v) -{ - if(v == SSL3Version){ - sec->setFinished = sslSetFinished; - sec->nfin = SSL3FinishedLen; - sec->prf = sslPRF; - }else if(v == TLSVersion){ - sec->setFinished = tlsSetFinished; - sec->nfin = TLSFinishedLen; - sec->prf = tlsPRF; - }else{ - werrstr("invalid version"); - return -1; - } - sec->vers = v; - return 0; -} - -/* - * generate secret keys from the master secret. - * - * different crypto selections will require different amounts - * of key expansion and use of key expansion data, - * but it's all generated using the same function. - */ -static void -setSecrets(TlsSec *sec, uchar *kd, int nkd) -{ - (*sec->prf)(kd, nkd, sec->sec, MasterSecretSize, "key expansion", - sec->srandom, RandomSize, sec->crandom, RandomSize); -} - -/* - * set the master secret from the pre-master secret. - */ -static void -setMasterSecret(TlsSec *sec, Bytes *pm) -{ - (*sec->prf)(sec->sec, MasterSecretSize, pm->data, MasterSecretSize, "master secret", - sec->crandom, RandomSize, sec->srandom, RandomSize); -} - -static void -serverMasterSecret(TlsSec *sec, uchar *epm, int nepm) -{ - Bytes *pm; - - pm = pkcs1_decrypt(sec, epm, nepm); - - // if the client messed up, just continue as if everything is ok, - // to prevent attacks to check for correctly formatted messages. - // Hence the fprint(2,) can't be replaced by tlsError(), which sends an Alert msg to the client. - if(sec->ok < 0 || pm == nil || get16(pm->data) != sec->clientVers){ - fprint(2, "serverMasterSecret failed ok=%d pm=%p pmvers=%x cvers=%x nepm=%d\n", - sec->ok, pm, pm ? get16(pm->data) : -1, sec->clientVers, nepm); - sec->ok = -1; - if(pm != nil) - freebytes(pm); - pm = newbytes(MasterSecretSize); - genrandom(pm->data, MasterSecretSize); - } - setMasterSecret(sec, pm); - memset(pm->data, 0, pm->len); - freebytes(pm); -} - -static int -clientMasterSecret(TlsSec *sec, RSApub *pub, uchar **epm, int *nepm) -{ - Bytes *pm, *key; - - pm = newbytes(MasterSecretSize); - put16(pm->data, sec->clientVers); - genrandom(pm->data+2, MasterSecretSize - 2); - - setMasterSecret(sec, pm); - - key = pkcs1_encrypt(pm, pub, 2); - memset(pm->data, 0, pm->len); - freebytes(pm); - if(key == nil){ - werrstr("tls pkcs1_encrypt failed"); - return -1; - } - - *nepm = key->len; - *epm = malloc(*nepm); - if(*epm == nil){ - freebytes(key); - werrstr("out of memory"); - return -1; - } - memmove(*epm, key->data, *nepm); - - freebytes(key); - - return 1; -} - -static void -sslSetFinished(TlsSec *sec, MD5state hsmd5, SHAstate hssha1, uchar *finished, int isClient) -{ - DigestState *s; - uchar h0[MD5dlen], h1[SHA1dlen], pad[48]; - char *label; - - if(isClient) - label = "CLNT"; - else - label = "SRVR"; - - md5((uchar*)label, 4, nil, &hsmd5); - md5(sec->sec, MasterSecretSize, nil, &hsmd5); - memset(pad, 0x36, 48); - md5(pad, 48, nil, &hsmd5); - md5(nil, 0, h0, &hsmd5); - memset(pad, 0x5C, 48); - s = md5(sec->sec, MasterSecretSize, nil, nil); - s = md5(pad, 48, nil, s); - md5(h0, MD5dlen, finished, s); - - sha1((uchar*)label, 4, nil, &hssha1); - sha1(sec->sec, MasterSecretSize, nil, &hssha1); - memset(pad, 0x36, 40); - sha1(pad, 40, nil, &hssha1); - sha1(nil, 0, h1, &hssha1); - memset(pad, 0x5C, 40); - s = sha1(sec->sec, MasterSecretSize, nil, nil); - s = sha1(pad, 40, nil, s); - sha1(h1, SHA1dlen, finished + MD5dlen, s); -} - -// fill "finished" arg with md5(args)^sha1(args) -static void -tlsSetFinished(TlsSec *sec, MD5state hsmd5, SHAstate hssha1, uchar *finished, int isClient) -{ - uchar h0[MD5dlen], h1[SHA1dlen]; - char *label; - - // get current hash value, but allow further messages to be hashed in - md5(nil, 0, h0, &hsmd5); - sha1(nil, 0, h1, &hssha1); - - if(isClient) - label = "client finished"; - else - label = "server finished"; - tlsPRF(finished, TLSFinishedLen, sec->sec, MasterSecretSize, label, h0, MD5dlen, h1, SHA1dlen); -} - -static void -sslPRF(uchar *buf, int nbuf, uchar *key, int nkey, char *label, uchar *seed0, int nseed0, uchar *seed1, int nseed1) -{ - DigestState *s; - uchar sha1dig[SHA1dlen], md5dig[MD5dlen], tmp[26]; - int i, n, len; - - USED(label); - len = 1; - while(nbuf > 0){ - if(len > 26) - return; - for(i = 0; i < len; i++) - tmp[i] = 'A' - 1 + len; - s = sha1(tmp, len, nil, nil); - s = sha1(key, nkey, nil, s); - s = sha1(seed0, nseed0, nil, s); - sha1(seed1, nseed1, sha1dig, s); - s = md5(key, nkey, nil, nil); - md5(sha1dig, SHA1dlen, md5dig, s); - n = MD5dlen; - if(n > nbuf) - n = nbuf; - memmove(buf, md5dig, n); - buf += n; - nbuf -= n; - len++; - } -} - -static mpint* -bytestomp(Bytes* bytes) -{ - mpint* ans; - - ans = betomp(bytes->data, bytes->len, nil); - return ans; -} - -/* - * Convert mpint* to Bytes, putting high order byte first. - */ -static Bytes* -mptobytes(mpint* big) -{ - int n, m; - uchar *a; - Bytes* ans; - - n = (mpsignif(big)+7)/8; - m = mptobe(big, nil, n, &a); - ans = makebytes(a, m); - return ans; -} - -// Do RSA computation on block according to key, and pad -// result on left with zeros to make it modlen long. -static Bytes* -rsacomp(Bytes* block, RSApub* key, int modlen) -{ - mpint *x, *y; - Bytes *a, *ybytes; - int ylen; - - x = bytestomp(block); - y = rsaencrypt(key, x, nil); - mpfree(x); - ybytes = mptobytes(y); - ylen = ybytes->len; - - if(ylen < modlen) { - a = newbytes(modlen); - memset(a->data, 0, modlen-ylen); - memmove(a->data+modlen-ylen, ybytes->data, ylen); - freebytes(ybytes); - ybytes = a; - } - else if(ylen > modlen) { - // assume it has leading zeros (mod should make it so) - a = newbytes(modlen); - memmove(a->data, ybytes->data, modlen); - freebytes(ybytes); - ybytes = a; - } - mpfree(y); - return ybytes; -} - -// encrypt data according to PKCS#1, /lib/rfc/rfc2437 9.1.2.1 -static Bytes* -pkcs1_encrypt(Bytes* data, RSApub* key, int blocktype) -{ - Bytes *pad, *eb, *ans; - int i, dlen, padlen, modlen; - - modlen = (mpsignif(key->n)+7)/8; - dlen = data->len; - if(modlen < 12 || dlen > modlen - 11) - return nil; - padlen = modlen - 3 - dlen; - pad = newbytes(padlen); - genrandom(pad->data, padlen); - for(i = 0; i < padlen; i++) { - if(blocktype == 0) - pad->data[i] = 0; - else if(blocktype == 1) - pad->data[i] = 255; - else if(pad->data[i] == 0) - pad->data[i] = 1; - } - eb = newbytes(modlen); - eb->data[0] = 0; - eb->data[1] = blocktype; - memmove(eb->data+2, pad->data, padlen); - eb->data[padlen+2] = 0; - memmove(eb->data+padlen+3, data->data, dlen); - ans = rsacomp(eb, key, modlen); - freebytes(eb); - freebytes(pad); - return ans; -} - -// decrypt data according to PKCS#1, with given key. -// expect a block type of 2. -static Bytes* -pkcs1_decrypt(TlsSec *sec, uchar *epm, int nepm) -{ - Bytes *eb, *ans = nil; - int i, modlen; - mpint *x, *y; - - modlen = (mpsignif(sec->rsapub->n)+7)/8; - if(nepm != modlen) - return nil; - x = betomp(epm, nepm, nil); - y = factotum_rsa_decrypt(sec->rpc, x); - if(y == nil) - return nil; - eb = mptobytes(y); - if(eb->len < modlen){ // pad on left with zeros - ans = newbytes(modlen); - memset(ans->data, 0, modlen-eb->len); - memmove(ans->data+modlen-eb->len, eb->data, eb->len); - freebytes(eb); - eb = ans; - } - if(eb->data[0] == 0 && eb->data[1] == 2) { - for(i = 2; i < modlen; i++) - if(eb->data[i] == 0) - break; - if(i < modlen - 1) - ans = makebytes(eb->data+i+1, modlen-(i+1)); - } - freebytes(eb); - return ans; -} - - -//================= general utility functions ======================== - -static void * -emalloc(int n) -{ - void *p; - if(n==0) - n=1; - p = malloc(n); - if(p == nil){ - exits("out of memory"); - } - memset(p, 0, n); - return p; -} - -static void * -erealloc(void *ReallocP, int ReallocN) -{ - if(ReallocN == 0) - ReallocN = 1; - if(!ReallocP) - ReallocP = emalloc(ReallocN); - else if(!(ReallocP = realloc(ReallocP, ReallocN))){ - exits("out of memory"); - } - return(ReallocP); -} - -static void -put32(uchar *p, u32int x) -{ - p[0] = x>>24; - p[1] = x>>16; - p[2] = x>>8; - p[3] = x; -} - -static void -put24(uchar *p, int x) -{ - p[0] = x>>16; - p[1] = x>>8; - p[2] = x; -} - -static void -put16(uchar *p, int x) -{ - p[0] = x>>8; - p[1] = x; -} - -static u32int -get32(uchar *p) -{ - return (p[0]<<24)|(p[1]<<16)|(p[2]<<8)|p[3]; -} - -static int -get24(uchar *p) -{ - return (p[0]<<16)|(p[1]<<8)|p[2]; -} - -static int -get16(uchar *p) -{ - return (p[0]<<8)|p[1]; -} - -/* ANSI offsetof() */ -#define OFFSET(x, s) ((int)(&(((s*)0)->x))) - -/* - * malloc and return a new Bytes structure capable of - * holding len bytes. (len >= 0) - * Used to use crypt_malloc, which aborts if malloc fails. - */ -static Bytes* -newbytes(int len) -{ - Bytes* ans; - - ans = (Bytes*)malloc(OFFSET(data[0], Bytes) + len); - ans->len = len; - return ans; -} - -/* - * newbytes(len), with data initialized from buf - */ -static Bytes* -makebytes(uchar* buf, int len) -{ - Bytes* ans; - - ans = newbytes(len); - memmove(ans->data, buf, len); - return ans; -} - -static void -freebytes(Bytes* b) -{ - if(b != nil) - free(b); -} - -/* len is number of ints */ -static Ints* -newints(int len) -{ - Ints* ans; - - ans = (Ints*)malloc(OFFSET(data[0], Ints) + len*sizeof(int)); - ans->len = len; - return ans; -} - -static Ints* -makeints(int* buf, int len) -{ - Ints* ans; - - ans = newints(len); - if(len > 0) - memmove(ans->data, buf, len*sizeof(int)); - return ans; -} - -static void -freeints(Ints* b) -{ - if(b != nil) - free(b); -} diff --git a/sys/src/cmd/unix/drawterm/libsec/x509.c b/sys/src/cmd/unix/drawterm/libsec/x509.c deleted file mode 100644 index 081dd8fc0..000000000 --- a/sys/src/cmd/unix/drawterm/libsec/x509.c +++ /dev/null @@ -1,2520 +0,0 @@ -#include <u.h> -#include <libc.h> -#include <mp.h> -#include <libsec.h> - -typedef DigestState*(*DigestFun)(uchar*,ulong,uchar*,DigestState*); - -/* ANSI offsetof, backwards. */ -#define OFFSETOF(a, b) offsetof(b, a) - -/*=============================================================*/ -/* general ASN1 declarations and parsing - * - * For now, this is used only for extracting the key from an - * X509 certificate, so the entire collection is hidden. But - * someday we should probably make the functions visible and - * give them their own man page. - */ -typedef struct Elem Elem; -typedef struct Tag Tag; -typedef struct Value Value; -typedef struct Bytes Bytes; -typedef struct Ints Ints; -typedef struct Bits Bits; -typedef struct Elist Elist; - -/* tag classes */ -#define Universal 0 -#define Context 0x80 - -/* universal tags */ -#define BOOLEAN 1 -#define INTEGER 2 -#define BIT_STRING 3 -#define OCTET_STRING 4 -#define NULLTAG 5 -#define OBJECT_ID 6 -#define ObjectDescriptor 7 -#define EXTERNAL 8 -#define REAL 9 -#define ENUMERATED 10 -#define EMBEDDED_PDV 11 -#define SEQUENCE 16 /* also SEQUENCE OF */ -#define SETOF 17 /* also SETOF OF */ -#define NumericString 18 -#define PrintableString 19 -#define TeletexString 20 -#define VideotexString 21 -#define IA5String 22 -#define UTCTime 23 -#define GeneralizedTime 24 -#define GraphicString 25 -#define VisibleString 26 -#define GeneralString 27 -#define UniversalString 28 -#define BMPString 30 - -struct Bytes { - int len; - uchar data[1]; -}; - -struct Ints { - int len; - int data[1]; -}; - -struct Bits { - int len; /* number of bytes */ - int unusedbits; /* unused bits in last byte */ - uchar data[1]; /* most-significant bit first */ -}; - -struct Tag { - int class; - int num; -}; - -enum { VBool, VInt, VOctets, VBigInt, VReal, VOther, - VBitString, VNull, VEOC, VObjId, VString, VSeq, VSet }; -struct Value { - int tag; /* VBool, etc. */ - union { - int boolval; - int intval; - Bytes* octetsval; - Bytes* bigintval; - Bytes* realval; /* undecoded; hardly ever used */ - Bytes* otherval; - Bits* bitstringval; - Ints* objidval; - char* stringval; - Elist* seqval; - Elist* setval; - } u; /* (Don't use anonymous unions, for ease of porting) */ -}; - -struct Elem { - Tag tag; - Value val; -}; - -struct Elist { - Elist* tl; - Elem hd; -}; - -/* decoding errors */ -enum { ASN_OK, ASN_ESHORT, ASN_ETOOBIG, ASN_EVALLEN, - ASN_ECONSTR, ASN_EPRIM, ASN_EINVAL, ASN_EUNIMPL }; - - -/* here are the functions to consider making extern someday */ -static Bytes* newbytes(int len); -static Bytes* makebytes(uchar* buf, int len); -static void freebytes(Bytes* b); -static Bytes* catbytes(Bytes* b1, Bytes* b2); -static Ints* newints(int len); -static Ints* makeints(int* buf, int len); -static void freeints(Ints* b); -static Bits* newbits(int len); -static Bits* makebits(uchar* buf, int len, int unusedbits); -static void freebits(Bits* b); -static Elist* mkel(Elem e, Elist* tail); -static void freeelist(Elist* el); -static int elistlen(Elist* el); -static int is_seq(Elem* pe, Elist** pseq); -static int is_set(Elem* pe, Elist** pset); -static int is_int(Elem* pe, int* pint); -static int is_bigint(Elem* pe, Bytes** pbigint); -static int is_bitstring(Elem* pe, Bits** pbits); -static int is_octetstring(Elem* pe, Bytes** poctets); -static int is_oid(Elem* pe, Ints** poid); -static int is_string(Elem* pe, char** pstring); -static int is_time(Elem* pe, char** ptime); -static int decode(uchar* a, int alen, Elem* pelem); -static int decode_seq(uchar* a, int alen, Elist** pelist); -static int decode_value(uchar* a, int alen, int kind, int isconstr, Value* pval); -static int encode(Elem e, Bytes** pbytes); -static int oid_lookup(Ints* o, Ints** tab); -static void freevalfields(Value* v); -static mpint *asn1mpint(Elem *e); - - - -#define TAG_MASK 0x1F -#define CONSTR_MASK 0x20 -#define CLASS_MASK 0xC0 -#define MAXOBJIDLEN 20 - -static int ber_decode(uchar** pp, uchar* pend, Elem* pelem); -static int tag_decode(uchar** pp, uchar* pend, Tag* ptag, int* pisconstr); -static int length_decode(uchar** pp, uchar* pend, int* plength); -static int value_decode(uchar** pp, uchar* pend, int length, int kind, int isconstr, Value* pval); -static int int_decode(uchar** pp, uchar* pend, int count, int unsgned, int* pint); -static int uint7_decode(uchar** pp, uchar* pend, int* pint); -static int octet_decode(uchar** pp, uchar* pend, int length, int isconstr, Bytes** pbytes); -static int seq_decode(uchar** pp, uchar* pend, int length, int isconstr, Elist** pelist); -static int enc(uchar** pp, Elem e, int lenonly); -static int val_enc(uchar** pp, Elem e, int *pconstr, int lenonly); -static void uint7_enc(uchar** pp, int num, int lenonly); -static void int_enc(uchar** pp, int num, int unsgned, int lenonly); - -static void * -emalloc(int n) -{ - void *p; - if(n==0) - n=1; - p = malloc(n); - if(p == nil){ - exits("out of memory"); - } - memset(p, 0, n); - return p; -} - -static char* -estrdup(char *s) -{ - char *d, *d0; - - if(!s) - return 0; - d = d0 = emalloc(strlen(s)+1); - while(*d++ = *s++) - ; - return d0; -} - - -/* - * Decode a[0..len] as a BER encoding of an ASN1 type. - * The return value is one of ASN_OK, etc. - * Depending on the error, the returned elem may or may not - * be nil. - */ -static int -decode(uchar* a, int alen, Elem* pelem) -{ - uchar* p = a; - - return ber_decode(&p, &a[alen], pelem); -} - -/* - * Like decode, but continue decoding after first element - * of array ends. - */ -static int -decode_seq(uchar* a, int alen, Elist** pelist) -{ - uchar* p = a; - - return seq_decode(&p, &a[alen], -1, 1, pelist); -} - -/* - * Decode the whole array as a BER encoding of an ASN1 value, - * (i.e., the part after the tag and length). - * Assume the value is encoded as universal tag "kind". - * The constr arg is 1 if the value is constructed, 0 if primitive. - * If there's an error, the return string will contain the error. - * Depending on the error, the returned value may or may not - * be nil. - */ -static int -decode_value(uchar* a, int alen, int kind, int isconstr, Value* pval) -{ - uchar* p = a; - - return value_decode(&p, &a[alen], alen, kind, isconstr, pval); -} - -/* - * All of the following decoding routines take arguments: - * uchar **pp; - * uchar *pend; - * Where parsing is supposed to start at **pp, and when parsing - * is done, *pp is updated to point at next char to be parsed. - * The pend pointer is just past end of string; an error should - * be returned parsing hasn't finished by then. - * - * The returned int is ASN_OK if all went fine, else ASN_ESHORT, etc. - * The remaining argument(s) are pointers to where parsed entity goes. - */ - -/* Decode an ASN1 'Elem' (tag, length, value) */ -static int -ber_decode(uchar** pp, uchar* pend, Elem* pelem) -{ - int err; - int isconstr; - int length; - Tag tag; - Value val; - - err = tag_decode(pp, pend, &tag, &isconstr); - if(err == ASN_OK) { - err = length_decode(pp, pend, &length); - if(err == ASN_OK) { - if(tag.class == Universal) - err = value_decode(pp, pend, length, tag.num, isconstr, &val); - else - err = value_decode(pp, pend, length, OCTET_STRING, 0, &val); - if(err == ASN_OK) { - pelem->tag = tag; - pelem->val = val; - } - } - } - return err; -} - -/* Decode a tag field */ -static int -tag_decode(uchar** pp, uchar* pend, Tag* ptag, int* pisconstr) -{ - int err; - int v; - uchar* p; - - err = ASN_OK; - p = *pp; - if(pend-p >= 2) { - v = *p++; - ptag->class = v&CLASS_MASK; - if(v&CONSTR_MASK) - *pisconstr = 1; - else - *pisconstr = 0; - v &= TAG_MASK; - if(v == TAG_MASK) - err = uint7_decode(&p, pend, &v); - ptag->num = v; - } - else - err = ASN_ESHORT; - *pp = p; - return err; -} - -/* Decode a length field */ -static int -length_decode(uchar** pp, uchar* pend, int* plength) -{ - int err; - int num; - int v; - uchar* p; - - err = ASN_OK; - num = 0; - p = *pp; - if(p < pend) { - v = *p++; - if(v&0x80) - err = int_decode(&p, pend, v&0x7F, 1, &num); - else if(v == 0x80) - num = -1; - else - num = v; - } - else - err = ASN_ESHORT; - *pp = p; - *plength = num; - return err; -} - -/* Decode a value field */ -static int -value_decode(uchar** pp, uchar* pend, int length, int kind, int isconstr, Value* pval) -{ - int err; - Bytes* va; - int num; - int bitsunused; - int subids[MAXOBJIDLEN]; - int isubid; - Elist* vl; - uchar* p; - uchar* pe; - - err = ASN_OK; - p = *pp; - if(length == -1) { /* "indefinite" length spec */ - if(!isconstr) - err = ASN_EINVAL; - } - else if(p + length > pend) - err = ASN_EVALLEN; - if(err != ASN_OK) - return err; - - switch(kind) { - case 0: - /* marker for end of indefinite constructions */ - if(length == 0) - pval->tag = VNull; - else - err = ASN_EINVAL; - break; - - case BOOLEAN: - if(isconstr) - err = ASN_ECONSTR; - else if(length != 1) - err = ASN_EVALLEN; - else { - pval->tag = VBool; - pval->u.boolval = (*p++ != 0); - } - break; - - case INTEGER: - case ENUMERATED: - if(isconstr) - err = ASN_ECONSTR; - else if(length <= 4) { - err = int_decode(&p, pend, length, 0, &num); - if(err == ASN_OK) { - pval->tag = VInt; - pval->u.intval = num; - } - } - else { - pval->tag = VBigInt; - pval->u.bigintval = makebytes(p, length); - p += length; - } - break; - - case BIT_STRING: - pval->tag = VBitString; - if(isconstr) { - if(length == -1 && p + 2 <= pend && *p == 0 && *(p+1) ==0) { - pval->u.bitstringval = makebits(0, 0, 0); - p += 2; - } - else - /* TODO: recurse and concat results */ - err = ASN_EUNIMPL; - } - else { - if(length < 2) { - if(length == 1 && *p == 0) { - pval->u.bitstringval = makebits(0, 0, 0); - p++; - } - else - err = ASN_EINVAL; - } - else { - bitsunused = *p; - if(bitsunused > 7) - err = ASN_EINVAL; - else if(length > 0x0FFFFFFF) - err = ASN_ETOOBIG; - else { - pval->u.bitstringval = makebits(p+1, length-1, bitsunused); - p += length; - } - } - } - break; - - case OCTET_STRING: - case ObjectDescriptor: - err = octet_decode(&p, pend, length, isconstr, &va); - if(err == ASN_OK) { - pval->tag = VOctets; - pval->u.octetsval = va; - } - break; - - case NULLTAG: - if(isconstr) - err = ASN_ECONSTR; - else if(length != 0) - err = ASN_EVALLEN; - else - pval->tag = VNull; - break; - - case OBJECT_ID: - if(isconstr) - err = ASN_ECONSTR; - else if(length == 0) - err = ASN_EVALLEN; - else { - isubid = 0; - pe = p+length; - while(p < pe && isubid < MAXOBJIDLEN) { - err = uint7_decode(&p, pend, &num); - if(err != ASN_OK) - break; - if(isubid == 0) { - subids[isubid++] = num / 40; - subids[isubid++] = num % 40; - } - else - subids[isubid++] = num; - } - if(err == ASN_OK) { - if(p != pe) - err = ASN_EVALLEN; - else { - pval->tag = VObjId; - pval->u.objidval = makeints(subids, isubid); - } - } - } - break; - - case EXTERNAL: - case EMBEDDED_PDV: - /* TODO: parse this internally */ - if(p+length > pend) - err = ASN_EVALLEN; - else { - pval->tag = VOther; - pval->u.otherval = makebytes(p, length); - p += length; - } - break; - - case REAL: - /* Let the application decode */ - if(isconstr) - err = ASN_ECONSTR; - else if(p+length > pend) - err = ASN_EVALLEN; - else { - pval->tag = VReal; - pval->u.realval = makebytes(p, length); - p += length; - } - break; - - case SEQUENCE: - err = seq_decode(&p, pend, length, isconstr, &vl); - if(err == ASN_OK) { - pval->tag = VSeq ; - pval->u.seqval = vl; - } - break; - - case SETOF: - err = seq_decode(&p, pend, length, isconstr, &vl); - if(err == ASN_OK) { - pval->tag = VSet; - pval->u.setval = vl; - } - break; - - case NumericString: - case PrintableString: - case TeletexString: - case VideotexString: - case IA5String: - case UTCTime: - case GeneralizedTime: - case GraphicString: - case VisibleString: - case GeneralString: - case UniversalString: - case BMPString: - /* TODO: figure out when character set conversion is necessary */ - err = octet_decode(&p, pend, length, isconstr, &va); - if(err == ASN_OK) { - pval->tag = VString; - pval->u.stringval = (char*)emalloc(va->len+1); - memmove(pval->u.stringval, va->data, va->len); - pval->u.stringval[va->len] = 0; - free(va); - } - break; - - default: - if(p+length > pend) - err = ASN_EVALLEN; - else { - pval->tag = VOther; - pval->u.otherval = makebytes(p, length); - p += length; - } - break; - } - *pp = p; - return err; -} - -/* - * Decode an int in format where count bytes are - * concatenated to form value. - * Although ASN1 allows any size integer, we return - * an error if the result doesn't fit in a 32-bit int. - * If unsgned is not set, make sure to propagate sign bit. - */ -static int -int_decode(uchar** pp, uchar* pend, int count, int unsgned, int* pint) -{ - int err; - int num; - uchar* p; - - p = *pp; - err = ASN_OK; - num = 0; - if(p+count <= pend) { - if((count > 4) || (unsgned && count == 4 && (*p&0x80))) - err = ASN_ETOOBIG; - else { - if(!unsgned && count > 0 && count < 4 && (*p&0x80)) - num = -1; // set all bits, initially - while(count--) - num = (num << 8)|(*p++); - } - } - else - err = ASN_ESHORT; - *pint = num; - *pp = p; - return err; -} - -/* - * Decode an unsigned int in format where each - * byte except last has high bit set, and remaining - * seven bits of each byte are concatenated to form value. - * Although ASN1 allows any size integer, we return - * an error if the result doesn't fit in a 32 bit int. - */ -static int -uint7_decode(uchar** pp, uchar* pend, int* pint) -{ - int err; - int num; - int more; - int v; - uchar* p; - - p = *pp; - err = ASN_OK; - num = 0; - more = 1; - while(more && p < pend) { - v = *p++; - if(num&0x7F000000) { - err = ASN_ETOOBIG; - break; - } - num <<= 7; - more = v&0x80; - num |= (v&0x7F); - } - if(p == pend) - err = ASN_ESHORT; - *pint = num; - *pp = p; - return err; -} - -/* - * Decode an octet string, recursively if isconstr. - * We've already checked that length==-1 implies isconstr==1, - * and otherwise that specified length fits within (*pp..pend) - */ -static int -octet_decode(uchar** pp, uchar* pend, int length, int isconstr, Bytes** pbytes) -{ - int err; - uchar* p; - Bytes* ans; - Bytes* newans; - uchar* pstart; - uchar* pold; - Elem elem; - - err = ASN_OK; - p = *pp; - ans = nil; - if(length >= 0 && !isconstr) { - ans = makebytes(p, length); - p += length; - } - else { - /* constructed, either definite or indefinite length */ - pstart = p; - for(;;) { - if(length >= 0 && p >= pstart + length) { - if(p != pstart + length) - err = ASN_EVALLEN; - break; - } - pold = p; - err = ber_decode(&p, pend, &elem); - if(err != ASN_OK) - break; - switch(elem.val.tag) { - case VOctets: - newans = catbytes(ans, elem.val.u.octetsval); - freebytes(ans); - ans = newans; - break; - - case VEOC: - if(length != -1) { - p = pold; - err = ASN_EINVAL; - } - goto cloop_done; - - default: - p = pold; - err = ASN_EINVAL; - goto cloop_done; - } - } -cloop_done: - ; - } - *pp = p; - *pbytes = ans; - return err; -} - -/* - * Decode a sequence or set. - * We've already checked that length==-1 implies isconstr==1, - * and otherwise that specified length fits within (*p..pend) - */ -static int -seq_decode(uchar** pp, uchar* pend, int length, int isconstr, Elist** pelist) -{ - int err; - uchar* p; - uchar* pstart; - uchar* pold; - Elist* ans; - Elem elem; - Elist* lve; - Elist* lveold; - - err = ASN_OK; - ans = nil; - p = *pp; - if(!isconstr) - err = ASN_EPRIM; - else { - /* constructed, either definite or indefinite length */ - lve = nil; - pstart = p; - for(;;) { - if(length >= 0 && p >= pstart + length) { - if(p != pstart + length) - err = ASN_EVALLEN; - break; - } - pold = p; - err = ber_decode(&p, pend, &elem); - if(err != ASN_OK) - break; - if(elem.val.tag == VEOC) { - if(length != -1) { - p = pold; - err = ASN_EINVAL; - } - break; - } - else - lve = mkel(elem, lve); - } - if(err == ASN_OK) { - /* reverse back to original order */ - while(lve != nil) { - lveold = lve; - lve = lve->tl; - lveold->tl = ans; - ans = lveold; - } - } - } - *pp = p; - *pelist = ans; - return err; -} - -/* - * Encode e by BER rules, putting answer in *pbytes. - * This is done by first calling enc with lenonly==1 - * to get the length of the needed buffer, - * then allocating the buffer and using enc again to fill it up. - */ -static int -encode(Elem e, Bytes** pbytes) -{ - uchar* p; - Bytes* ans; - int err; - uchar uc; - - p = &uc; - err = enc(&p, e, 1); - if(err == ASN_OK) { - ans = newbytes(p-&uc); - p = ans->data; - err = enc(&p, e, 0); - *pbytes = ans; - } - return err; -} - -/* - * The various enc functions take a pointer to a pointer - * into a buffer, and encode their entity starting there, - * updating the pointer afterwards. - * If lenonly is 1, only the pointer update is done, - * allowing enc to be called first to calculate the needed - * buffer length. - * If lenonly is 0, it is assumed that the answer will fit. - */ - -static int -enc(uchar** pp, Elem e, int lenonly) -{ - int err; - int vlen; - int constr; - Tag tag; - int v; - int ilen; - uchar* p; - uchar* psave; - - p = *pp; - err = val_enc(&p, e, &constr, 1); - if(err != ASN_OK) - return err; - vlen = p - *pp; - p = *pp; - tag = e.tag; - v = tag.class|constr; - if(tag.num < 31) { - if(!lenonly) - *p = (v|tag.num); - p++; - } - else { - if(!lenonly) - *p = (v|31); - p++; - if(tag.num < 0) - return ASN_EINVAL; - uint7_enc(&p, tag.num, lenonly); - } - if(vlen < 0x80) { - if(!lenonly) - *p = vlen; - p++; - } - else { - psave = p; - int_enc(&p, vlen, 1, 1); - ilen = p-psave; - p = psave; - if(!lenonly) { - *p++ = (0x80 | ilen); - int_enc(&p, vlen, 1, 0); - } - else - p += 1 + ilen; - } - if(!lenonly) - val_enc(&p, e, &constr, 0); - else - p += vlen; - *pp = p; - return err; -} - -static int -val_enc(uchar** pp, Elem e, int *pconstr, int lenonly) -{ - int err; - uchar* p; - int kind; - int cl; - int v; - Bytes* bb = nil; - Bits* bits; - Ints* oid; - int k; - Elist* el; - char* s; - - p = *pp; - err = ASN_OK; - kind = e.tag.num; - cl = e.tag.class; - *pconstr = 0; - if(cl != Universal) { - switch(e.val.tag) { - case VBool: - kind = BOOLEAN; - break; - case VInt: - kind = INTEGER; - break; - case VBigInt: - kind = INTEGER; - break; - case VOctets: - kind = OCTET_STRING; - break; - case VReal: - kind = REAL; - break; - case VOther: - kind = OCTET_STRING; - break; - case VBitString: - kind = BIT_STRING; - break; - case VNull: - kind = NULLTAG; - break; - case VObjId: - kind = OBJECT_ID; - break; - case VString: - kind = UniversalString; - break; - case VSeq: - kind = SEQUENCE; - break; - case VSet: - kind = SETOF; - break; - } - } - switch(kind) { - case BOOLEAN: - if(is_int(&e, &v)) { - if(v != 0) - v = 255; - int_enc(&p, v, 1, lenonly); - } - else - err = ASN_EINVAL; - break; - - case INTEGER: - case ENUMERATED: - if(is_int(&e, &v)) - int_enc(&p, v, 0, lenonly); - else { - if(is_bigint(&e, &bb)) { - if(!lenonly) - memmove(p, bb->data, bb->len); - p += bb->len; - } - else - err = ASN_EINVAL; - } - break; - - case BIT_STRING: - if(is_bitstring(&e, &bits)) { - if(bits->len == 0) { - if(!lenonly) - *p = 0; - p++; - } - else { - v = bits->unusedbits; - if(v < 0 || v > 7) - err = ASN_EINVAL; - else { - if(!lenonly) { - *p = v; - memmove(p+1, bits->data, bits->len); - } - p += 1 + bits->len; - } - } - } - else - err = ASN_EINVAL; - break; - - case OCTET_STRING: - case ObjectDescriptor: - case EXTERNAL: - case REAL: - case EMBEDDED_PDV: - bb = nil; - switch(e.val.tag) { - case VOctets: - bb = e.val.u.octetsval; - break; - case VReal: - bb = e.val.u.realval; - break; - case VOther: - bb = e.val.u.otherval; - break; - } - if(bb != nil) { - if(!lenonly) - memmove(p, bb->data, bb->len); - p += bb->len; - } - else - err = ASN_EINVAL; - break; - - case NULLTAG: - break; - - case OBJECT_ID: - if(is_oid(&e, &oid)) { - for(k = 0; k < oid->len; k++) { - v = oid->data[k]; - if(k == 0) { - v *= 40; - if(oid->len > 1) - v += oid->data[++k]; - } - uint7_enc(&p, v, lenonly); - } - } - else - err = ASN_EINVAL; - break; - - case SEQUENCE: - case SETOF: - el = nil; - if(e.val.tag == VSeq) - el = e.val.u.seqval; - else if(e.val.tag == VSet) - el = e.val.u.setval; - else - err = ASN_EINVAL; - if(el != nil) { - *pconstr = CONSTR_MASK; - for(; el != nil; el = el->tl) { - err = enc(&p, el->hd, lenonly); - if(err != ASN_OK) - break; - } - } - break; - - case NumericString: - case PrintableString: - case TeletexString: - case VideotexString: - case IA5String: - case UTCTime: - case GeneralizedTime: - case GraphicString: - case VisibleString: - case GeneralString: - case UniversalString: - case BMPString: - if(e.val.tag == VString) { - s = e.val.u.stringval; - if(s != nil) { - v = strlen(s); - if(!lenonly) - memmove(p, s, v); - p += v; - } - } - else - err = ASN_EINVAL; - break; - - default: - err = ASN_EINVAL; - } - *pp = p; - return err; -} - -/* - * Encode num as unsigned 7 bit values with top bit 1 on all bytes - * except last, only putting in bytes if !lenonly. - */ -static void -uint7_enc(uchar** pp, int num, int lenonly) -{ - int n; - int v; - int k; - uchar* p; - - p = *pp; - n = 1; - v = num >> 7; - while(v > 0) { - v >>= 7; - n++; - } - if(lenonly) - p += n; - else { - for(k = (n - 1)*7; k > 0; k -= 7) - *p++= ((num >> k)|0x80); - *p++ = (num&0x7F); - } - *pp = p; -} - -/* - * Encode num as unsigned or signed integer, - * only putting in bytes if !lenonly. - * Encoding is length followed by bytes to concatenate. - */ -static void -int_enc(uchar** pp, int num, int unsgned, int lenonly) -{ - int v; - int n; - int prevv; - int k; - uchar* p; - - p = *pp; - v = num; - if(v < 0) - v = -(v + 1); - n = 1; - prevv = v; - v >>= 8; - while(v > 0) { - prevv = v; - v >>= 8; - n++; - } - if(!unsgned && (prevv&0x80)) - n++; - if(lenonly) - p += n; - else { - for(k = (n - 1)*8; k >= 0; k -= 8) - *p++ = (num >> k); - } - *pp = p; -} - -static int -ints_eq(Ints* a, Ints* b) -{ - int alen; - int i; - - alen = a->len; - if(alen != b->len) - return 0; - for(i = 0; i < alen; i++) - if(a->data[i] != b->data[i]) - return 0; - return 1; -} - -/* - * Look up o in tab (which must have nil entry to terminate). - * Return index of matching entry, or -1 if none. - */ -static int -oid_lookup(Ints* o, Ints** tab) -{ - int i; - - for(i = 0; tab[i] != nil; i++) - if(ints_eq(o, tab[i])) - return i; - return -1; -} - -/* - * Return true if *pe is a SEQUENCE, and set *pseq to - * the value of the sequence if so. - */ -static int -is_seq(Elem* pe, Elist** pseq) -{ - if(pe->tag.class == Universal && pe->tag.num == SEQUENCE && pe->val.tag == VSeq) { - *pseq = pe->val.u.seqval; - return 1; - } - return 0; -} - -static int -is_set(Elem* pe, Elist** pset) -{ - if(pe->tag.class == Universal && pe->tag.num == SETOF && pe->val.tag == VSet) { - *pset = pe->val.u.setval; - return 1; - } - return 0; -} - -static int -is_int(Elem* pe, int* pint) -{ - if(pe->tag.class == Universal) { - if(pe->tag.num == INTEGER && pe->val.tag == VInt) { - *pint = pe->val.u.intval; - return 1; - } - else if(pe->tag.num == BOOLEAN && pe->val.tag == VBool) { - *pint = pe->val.u.boolval; - return 1; - } - } - return 0; -} - -/* - * for convience, all VInt's are readable via this routine, - * as well as all VBigInt's - */ -static int -is_bigint(Elem* pe, Bytes** pbigint) -{ - int v, n, i; - - if(pe->tag.class == Universal && pe->tag.num == INTEGER) { - if(pe->val.tag == VBigInt) - *pbigint = pe->val.u.bigintval; - else if(pe->val.tag == VInt){ - v = pe->val.u.intval; - for(n = 1; n < 4; n++) - if((1 << (8 * n)) > v) - break; - *pbigint = newbytes(n); - for(i = 0; i < n; i++) - (*pbigint)->data[i] = (v >> ((n - 1 - i) * 8)); - }else - return 0; - return 1; - } - return 0; -} - -static int -is_bitstring(Elem* pe, Bits** pbits) -{ - if(pe->tag.class == Universal && pe->tag.num == BIT_STRING && pe->val.tag == VBitString) { - *pbits = pe->val.u.bitstringval; - return 1; - } - return 0; -} - -static int -is_octetstring(Elem* pe, Bytes** poctets) -{ - if(pe->tag.class == Universal && pe->tag.num == OCTET_STRING && pe->val.tag == VOctets) { - *poctets = pe->val.u.octetsval; - return 1; - } - return 0; -} - -static int -is_oid(Elem* pe, Ints** poid) -{ - if(pe->tag.class == Universal && pe->tag.num == OBJECT_ID && pe->val.tag == VObjId) { - *poid = pe->val.u.objidval; - return 1; - } - return 0; -} - -static int -is_string(Elem* pe, char** pstring) -{ - if(pe->tag.class == Universal) { - switch(pe->tag.num) { - case NumericString: - case PrintableString: - case TeletexString: - case VideotexString: - case IA5String: - case GraphicString: - case VisibleString: - case GeneralString: - case UniversalString: - case BMPString: - if(pe->val.tag == VString) { - *pstring = pe->val.u.stringval; - return 1; - } - } - } - return 0; -} - -static int -is_time(Elem* pe, char** ptime) -{ - if(pe->tag.class == Universal - && (pe->tag.num == UTCTime || pe->tag.num == GeneralizedTime) - && pe->val.tag == VString) { - *ptime = pe->val.u.stringval; - return 1; - } - return 0; -} - - -/* - * malloc and return a new Bytes structure capable of - * holding len bytes. (len >= 0) - */ -static Bytes* -newbytes(int len) -{ - Bytes* ans; - - ans = (Bytes*)emalloc(OFFSETOF(data[0], Bytes) + len); - ans->len = len; - return ans; -} - -/* - * newbytes(len), with data initialized from buf - */ -static Bytes* -makebytes(uchar* buf, int len) -{ - Bytes* ans; - - ans = newbytes(len); - memmove(ans->data, buf, len); - return ans; -} - -static void -freebytes(Bytes* b) -{ - if(b != nil) - free(b); -} - -/* - * Make a new Bytes, containing bytes of b1 followed by those of b2. - * Either b1 or b2 or both can be nil. - */ -static Bytes* -catbytes(Bytes* b1, Bytes* b2) -{ - Bytes* ans; - int n; - - if(b1 == nil) { - if(b2 == nil) - ans = newbytes(0); - else - ans = makebytes(b2->data, b2->len); - } - else if(b2 == nil) { - ans = makebytes(b1->data, b1->len); - } - else { - n = b1->len + b2->len; - ans = newbytes(n); - ans->len = n; - memmove(ans->data, b1->data, b1->len); - memmove(ans->data+b1->len, b2->data, b2->len); - } - return ans; -} - -/* len is number of ints */ -static Ints* -newints(int len) -{ - Ints* ans; - - ans = (Ints*)emalloc(OFFSETOF(data[0], Ints) + len*sizeof(int)); - ans->len = len; - return ans; -} - -static Ints* -makeints(int* buf, int len) -{ - Ints* ans; - - ans = newints(len); - if(len > 0) - memmove(ans->data, buf, len*sizeof(int)); - return ans; -} - -static void -freeints(Ints* b) -{ - if(b != nil) - free(b); -} - -/* len is number of bytes */ -static Bits* -newbits(int len) -{ - Bits* ans; - - ans = (Bits*)emalloc(OFFSETOF(data[0], Bits) + len); - ans->len = len; - ans->unusedbits = 0; - return ans; -} - -static Bits* -makebits(uchar* buf, int len, int unusedbits) -{ - Bits* ans; - - ans = newbits(len); - memmove(ans->data, buf, len); - ans->unusedbits = unusedbits; - return ans; -} - -static void -freebits(Bits* b) -{ - if(b != nil) - free(b); -} - -static Elist* -mkel(Elem e, Elist* tail) -{ - Elist* el; - - el = (Elist*)emalloc(sizeof(Elist)); - el->hd = e; - el->tl = tail; - return el; -} - -static int -elistlen(Elist* el) -{ - int ans = 0; - while(el != nil) { - ans++; - el = el->tl; - } - return ans; -} - -/* Frees elist, but not fields inside values of constituent elems */ -static void -freeelist(Elist* el) -{ - Elist* next; - - while(el != nil) { - next = el->tl; - free(el); - el = next; - } -} - -/* free any allocated structures inside v (recursively freeing Elists) */ -static void -freevalfields(Value* v) -{ - Elist* el; - Elist* l; - if(v == nil) - return; - switch(v->tag) { - case VOctets: - freebytes(v->u.octetsval); - break; - case VBigInt: - freebytes(v->u.bigintval); - break; - case VReal: - freebytes(v->u.realval); - break; - case VOther: - freebytes(v->u.otherval); - break; - case VBitString: - freebits(v->u.bitstringval); - break; - case VObjId: - freeints(v->u.objidval); - break; - case VString: - if (v->u.stringval) - free(v->u.stringval); - break; - case VSeq: - el = v->u.seqval; - for(l = el; l != nil; l = l->tl) - freevalfields(&l->hd.val); - if (el) - freeelist(el); - break; - case VSet: - el = v->u.setval; - for(l = el; l != nil; l = l->tl) - freevalfields(&l->hd.val); - if (el) - freeelist(el); - break; - } -} - -/* end of general ASN1 functions */ - - - - - -/*=============================================================*/ -/* - * Decode and parse an X.509 Certificate, defined by this ASN1: - * Certificate ::= SEQUENCE { - * certificateInfo CertificateInfo, - * signatureAlgorithm AlgorithmIdentifier, - * signature BIT STRING } - * - * CertificateInfo ::= SEQUENCE { - * version [0] INTEGER DEFAULT v1 (0), - * serialNumber INTEGER, - * signature AlgorithmIdentifier, - * issuer Name, - * validity Validity, - * subject Name, - * subjectPublicKeyInfo SubjectPublicKeyInfo } - * (version v2 has two more fields, optional unique identifiers for - * issuer and subject; since we ignore these anyway, we won't parse them) - * - * Validity ::= SEQUENCE { - * notBefore UTCTime, - * notAfter UTCTime } - * - * SubjectPublicKeyInfo ::= SEQUENCE { - * algorithm AlgorithmIdentifier, - * subjectPublicKey BIT STRING } - * - * AlgorithmIdentifier ::= SEQUENCE { - * algorithm OBJECT IDENTIFER, - * parameters ANY DEFINED BY ALGORITHM OPTIONAL } - * - * Name ::= SEQUENCE OF RelativeDistinguishedName - * - * RelativeDistinguishedName ::= SETOF SIZE(1..MAX) OF AttributeTypeAndValue - * - * AttributeTypeAndValue ::= SEQUENCE { - * type OBJECT IDENTIFER, - * value DirectoryString } - * (selected attributes have these Object Ids: - * commonName {2 5 4 3} - * countryName {2 5 4 6} - * localityName {2 5 4 7} - * stateOrProvinceName {2 5 4 8} - * organizationName {2 5 4 10} - * organizationalUnitName {2 5 4 11} - * ) - * - * DirectoryString ::= CHOICE { - * teletexString TeletexString, - * printableString PrintableString, - * universalString UniversalString } - * - * See rfc1423, rfc2437 for AlgorithmIdentifier, subjectPublicKeyInfo, signature. - * - * Not yet implemented: - * CertificateRevocationList ::= SIGNED SEQUENCE{ - * signature AlgorithmIdentifier, - * issuer Name, - * lastUpdate UTCTime, - * nextUpdate UTCTime, - * revokedCertificates - * SEQUENCE OF CRLEntry OPTIONAL} - * CRLEntry ::= SEQUENCE{ - * userCertificate SerialNumber, - * revocationDate UTCTime} - */ - -typedef struct CertX509 { - int serial; - char* issuer; - char* validity_start; - char* validity_end; - char* subject; - int publickey_alg; - Bytes* publickey; - int signature_alg; - Bytes* signature; -} CertX509; - -/* Algorithm object-ids */ -enum { - ALG_rsaEncryption, - ALG_md2WithRSAEncryption, - ALG_md4WithRSAEncryption, - ALG_md5WithRSAEncryption, - ALG_sha1WithRSAEncryption, - ALG_md5, - NUMALGS -}; -typedef struct Ints7 { - int len; - int data[7]; -} Ints7; -static Ints7 oid_rsaEncryption = {7, 1, 2, 840, 113549, 1, 1, 1 }; -static Ints7 oid_md2WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 2 }; -static Ints7 oid_md4WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 3 }; -static Ints7 oid_md5WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 4 }; -static Ints7 oid_sha1WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 5 }; -static Ints7 oid_md5 ={6, 1, 2, 840, 113549, 2, 5, 0 }; -static Ints *alg_oid_tab[NUMALGS+1] = { - (Ints*)&oid_rsaEncryption, - (Ints*)&oid_md2WithRSAEncryption, - (Ints*)&oid_md4WithRSAEncryption, - (Ints*)&oid_md5WithRSAEncryption, - (Ints*)&oid_sha1WithRSAEncryption, - (Ints*)&oid_md5, - nil -}; -static DigestFun digestalg[NUMALGS+1] = { md5, md5, md5, md5, sha1, md5, nil }; - -static void -freecert(CertX509* c) -{ - if (!c) return; - if(c->issuer != nil) - free(c->issuer); - if(c->validity_start != nil) - free(c->validity_start); - if(c->validity_end != nil) - free(c->validity_end); - if(c->subject != nil) - free(c->subject); - freebytes(c->publickey); - freebytes(c->signature); -} - -/* - * Parse the Name ASN1 type. - * The sequence of RelativeDistinguishedName's gives a sort of pathname, - * from most general to most specific. Each element of the path can be - * one or more (but usually just one) attribute-value pair, such as - * countryName="US". - * We'll just form a "postal-style" address string by concatenating the elements - * from most specific to least specific, separated by commas. - * Return name-as-string (which must be freed by caller). - */ -static char* -parse_name(Elem* e) -{ - Elist* el; - Elem* es; - Elist* esetl; - Elem* eat; - Elist* eatl; - char* s; - enum { MAXPARTS = 100 }; - char* parts[MAXPARTS]; - int i; - int plen; - char* ans = nil; - - if(!is_seq(e, &el)) - goto errret; - i = 0; - plen = 0; - while(el != nil) { - es = &el->hd; - if(!is_set(es, &esetl)) - goto errret; - while(esetl != nil) { - eat = &esetl->hd; - if(!is_seq(eat, &eatl) || elistlen(eatl) != 2) - goto errret; - if(!is_string(&eatl->tl->hd, &s) || i>=MAXPARTS) - goto errret; - parts[i++] = s; - plen += strlen(s) + 2; /* room for ", " after */ - esetl = esetl->tl; - } - el = el->tl; - } - if(i > 0) { - ans = (char*)emalloc(plen); - *ans = '\0'; - while(--i >= 0) { - s = parts[i]; - strcat(ans, s); - if(i > 0) - strcat(ans, ", "); - } - } - -errret: - return ans; -} - -/* - * Parse an AlgorithmIdentifer ASN1 type. - * Look up the oid in oid_tab and return one of OID_rsaEncryption, etc.., - * or -1 if not found. - * For now, ignore parameters, since none of our algorithms need them. - */ -static int -parse_alg(Elem* e) -{ - Elist* el; - Ints* oid; - - if(!is_seq(e, &el) || el == nil || !is_oid(&el->hd, &oid)) - return -1; - return oid_lookup(oid, alg_oid_tab); -} - -static CertX509* -decode_cert(Bytes* a) -{ - int ok = 0; - int n; - CertX509* c = nil; - Elem ecert; - Elem* ecertinfo; - Elem* esigalg; - Elem* esig; - Elem* eserial; - Elem* eissuer; - Elem* evalidity; - Elem* esubj; - Elem* epubkey; - Elist* el; - Elist* elcert = nil; - Elist* elcertinfo = nil; - Elist* elvalidity = nil; - Elist* elpubkey = nil; - Bits* bits = nil; - Bytes* b; - Elem* e; - - if(decode(a->data, a->len, &ecert) != ASN_OK) - goto errret; - - c = (CertX509*)emalloc(sizeof(CertX509)); - c->serial = -1; - c->issuer = nil; - c->validity_start = nil; - c->validity_end = nil; - c->subject = nil; - c->publickey_alg = -1; - c->publickey = nil; - c->signature_alg = -1; - c->signature = nil; - - /* Certificate */ - if(!is_seq(&ecert, &elcert) || elistlen(elcert) !=3) - goto errret; - ecertinfo = &elcert->hd; - el = elcert->tl; - esigalg = &el->hd; - c->signature_alg = parse_alg(esigalg); - el = el->tl; - esig = &el->hd; - - /* Certificate Info */ - if(!is_seq(ecertinfo, &elcertinfo)) - goto errret; - n = elistlen(elcertinfo); - if(n < 6) - goto errret; - eserial =&elcertinfo->hd; - el = elcertinfo->tl; - /* check for optional version, marked by explicit context tag 0 */ - if(eserial->tag.class == Context && eserial->tag.num == 0) { - eserial = &el->hd; - if(n < 7) - goto errret; - el = el->tl; - } - - if(parse_alg(&el->hd) != c->signature_alg) - goto errret; - el = el->tl; - eissuer = &el->hd; - el = el->tl; - evalidity = &el->hd; - el = el->tl; - esubj = &el->hd; - el = el->tl; - epubkey = &el->hd; - if(!is_int(eserial, &c->serial)) { - if(!is_bigint(eserial, &b)) - goto errret; - c->serial = -1; /* else we have to change cert struct */ - } - c->issuer = parse_name(eissuer); - if(c->issuer == nil) - goto errret; - /* Validity */ - if(!is_seq(evalidity, &elvalidity)) - goto errret; - if(elistlen(elvalidity) != 2) - goto errret; - e = &elvalidity->hd; - if(!is_time(e, &c->validity_start)) - goto errret; - e->val.u.stringval = nil; /* string ownership transfer */ - e = &elvalidity->tl->hd; - if(!is_time(e, &c->validity_end)) - goto errret; - e->val.u.stringval = nil; /* string ownership transfer */ - - /* resume CertificateInfo */ - c->subject = parse_name(esubj); - if(c->subject == nil) - goto errret; - - /* SubjectPublicKeyInfo */ - if(!is_seq(epubkey, &elpubkey)) - goto errret; - if(elistlen(elpubkey) != 2) - goto errret; - - c->publickey_alg = parse_alg(&elpubkey->hd); - if(c->publickey_alg < 0) - goto errret; - if(!is_bitstring(&elpubkey->tl->hd, &bits)) - goto errret; - if(bits->unusedbits != 0) - goto errret; - c->publickey = makebytes(bits->data, bits->len); - - /*resume Certificate */ - if(c->signature_alg < 0) - goto errret; - if(!is_bitstring(esig, &bits)) - goto errret; - c->signature = makebytes(bits->data, bits->len); - ok = 1; - -errret: - freevalfields(&ecert.val); /* recurses through lists, too */ - if(!ok){ - freecert(c); - c = nil; - } - return c; -} - -/* - * RSAPublickKey :: SEQUENCE { - * modulus INTEGER, - * publicExponent INTEGER - * } - */ -static RSApub* -decode_rsapubkey(Bytes* a) -{ - Elem e; - Elist *el; - mpint *mp; - RSApub* key; - - key = rsapuballoc(); - if(decode(a->data, a->len, &e) != ASN_OK) - goto errret; - if(!is_seq(&e, &el) || elistlen(el) != 2) - goto errret; - - key->n = mp = asn1mpint(&el->hd); - if(mp == nil) - goto errret; - - el = el->tl; - key->ek = mp = asn1mpint(&el->hd); - if(mp == nil) - goto errret; - return key; -errret: - rsapubfree(key); - return nil; -} - -/* - * RSAPrivateKey ::= SEQUENCE { - * version Version, - * modulus INTEGER, -- n - * publicExponent INTEGER, -- e - * privateExponent INTEGER, -- d - * prime1 INTEGER, -- p - * prime2 INTEGER, -- q - * exponent1 INTEGER, -- d mod (p-1) - * exponent2 INTEGER, -- d mod (q-1) - * coefficient INTEGER -- (inverse of q) mod p } - */ -static RSApriv* -decode_rsaprivkey(Bytes* a) -{ - int version; - Elem e; - Elist *el; - mpint *mp; - RSApriv* key; - - key = rsaprivalloc(); - if(decode(a->data, a->len, &e) != ASN_OK) - goto errret; - if(!is_seq(&e, &el) || elistlen(el) != 9) - goto errret; - if(!is_int(&el->hd, &version) || version != 0) - goto errret; - - el = el->tl; - key->pub.n = mp = asn1mpint(&el->hd); - if(mp == nil) - goto errret; - - el = el->tl; - key->pub.ek = mp = asn1mpint(&el->hd); - if(mp == nil) - goto errret; - - el = el->tl; - key->dk = mp = asn1mpint(&el->hd); - if(mp == nil) - goto errret; - - el = el->tl; - key->q = mp = asn1mpint(&el->hd); - if(mp == nil) - goto errret; - - el = el->tl; - key->p = mp = asn1mpint(&el->hd); - if(mp == nil) - goto errret; - - el = el->tl; - key->kq = mp = asn1mpint(&el->hd); - if(mp == nil) - goto errret; - - el = el->tl; - key->kp = mp = asn1mpint(&el->hd); - if(mp == nil) - goto errret; - - el = el->tl; - key->c2 = mp = asn1mpint(&el->hd); - if(mp == nil) - goto errret; - - return key; -errret: - rsaprivfree(key); - return nil; -} - -static mpint* -asn1mpint(Elem *e) -{ - Bytes *b; - mpint *mp; - int v; - - if(is_int(e, &v)) - return itomp(v, nil); - if(is_bigint(e, &b)) { - mp = betomp(b->data, b->len, nil); - freebytes(b); - return mp; - } - return nil; -} - -static mpint* -pkcs1pad(Bytes *b, mpint *modulus) -{ - int n = (mpsignif(modulus)+7)/8; - int pm1, i; - uchar *p; - mpint *mp; - - pm1 = n - 1 - b->len; - p = (uchar*)emalloc(n); - p[0] = 0; - p[1] = 1; - for(i = 2; i < pm1; i++) - p[i] = 0xFF; - p[pm1] = 0; - memcpy(&p[pm1+1], b->data, b->len); - mp = betomp(p, n, nil); - free(p); - return mp; -} - -RSApriv* -asn1toRSApriv(uchar *kd, int kn) -{ - Bytes *b; - RSApriv *key; - - b = makebytes(kd, kn); - key = decode_rsaprivkey(b); - freebytes(b); - return key; -} - -/* - * digest(CertificateInfo) - * Our ASN.1 library doesn't return pointers into the original - * data array, so we need to do a little hand decoding. - */ -static void -digest_certinfo(Bytes *cert, DigestFun digestfun, uchar *digest) -{ - uchar *info, *p, *pend; - ulong infolen; - int isconstr, length; - Tag tag; - Elem elem; - - p = cert->data; - pend = cert->data + cert->len; - if(tag_decode(&p, pend, &tag, &isconstr) != ASN_OK || - tag.class != Universal || tag.num != SEQUENCE || - length_decode(&p, pend, &length) != ASN_OK || - p+length > pend) - return; - info = p; - if(ber_decode(&p, pend, &elem) != ASN_OK || elem.tag.num != SEQUENCE) - return; - infolen = p - info; - (*digestfun)(info, infolen, digest, nil); -} - -static char* -verify_signature(Bytes* signature, RSApub *pk, uchar *edigest, Elem **psigalg) -{ - Elem e; - Elist *el; - Bytes *digest; - uchar *pkcs1buf, *buf; - int buflen; - mpint *pkcs1; - - /* see 9.2.1 of rfc2437 */ - pkcs1 = betomp(signature->data, signature->len, nil); - mpexp(pkcs1, pk->ek, pk->n, pkcs1); - buflen = mptobe(pkcs1, nil, 0, &pkcs1buf); - buf = pkcs1buf; - if(buflen < 4 || buf[0] != 1) - return "expected 1"; - buf++; - while(buf[0] == 0xff) - buf++; - if(buf[0] != 0) - return "expected 0"; - buf++; - buflen -= buf-pkcs1buf; - if(decode(buf, buflen, &e) != ASN_OK || !is_seq(&e, &el) || elistlen(el) != 2 || - !is_octetstring(&el->tl->hd, &digest)) - return "signature parse error"; - *psigalg = &el->hd; - if(memcmp(digest->data, edigest, digest->len) == 0) - return nil; - return "digests did not match"; -} - -RSApub* -X509toRSApub(uchar *cert, int ncert, char *name, int nname) -{ - char *e; - Bytes *b; - CertX509 *c; - RSApub *pk; - - b = makebytes(cert, ncert); - c = decode_cert(b); - freebytes(b); - if(c == nil) - return nil; - if(name != nil && c->subject != nil){ - e = strchr(c->subject, ','); - if(e != nil) - *e = 0; // take just CN part of Distinguished Name - strncpy(name, c->subject, nname); - } - pk = decode_rsapubkey(c->publickey); - freecert(c); - return pk; -} - -char* -X509verify(uchar *cert, int ncert, RSApub *pk) -{ - char *e; - Bytes *b; - CertX509 *c; - uchar digest[SHA1dlen]; - Elem *sigalg; - - b = makebytes(cert, ncert); - c = decode_cert(b); - if(c != nil) - digest_certinfo(b, digestalg[c->signature_alg], digest); - freebytes(b); - if(c == nil) - return "cannot decode cert"; - e = verify_signature(c->signature, pk, digest, &sigalg); - freecert(c); - return e; -} - -/* ------- Elem constructors ---------- */ -static Elem -Null(void) -{ - Elem e; - - e.tag.class = Universal; - e.tag.num = NULLTAG; - e.val.tag = VNull; - return e; -} - -static Elem -mkint(int j) -{ - Elem e; - - e.tag.class = Universal; - e.tag.num = INTEGER; - e.val.tag = VInt; - e.val.u.intval = j; - return e; -} - -static Elem -mkbigint(mpint *p) -{ - Elem e; - uchar *buf; - int buflen; - - e.tag.class = Universal; - e.tag.num = INTEGER; - e.val.tag = VBigInt; - buflen = mptobe(p, nil, 0, &buf); - e.val.u.bigintval = makebytes(buf, buflen); - free(buf); - return e; -} - -static Elem -mkstring(char *s) -{ - Elem e; - - e.tag.class = Universal; - e.tag.num = IA5String; - e.val.tag = VString; - e.val.u.stringval = estrdup(s); - return e; -} - -static Elem -mkoctet(uchar *buf, int buflen) -{ - Elem e; - - e.tag.class = Universal; - e.tag.num = OCTET_STRING; - e.val.tag = VOctets; - e.val.u.octetsval = makebytes(buf, buflen); - return e; -} - -static Elem -mkbits(uchar *buf, int buflen) -{ - Elem e; - - e.tag.class = Universal; - e.tag.num = BIT_STRING; - e.val.tag = VBitString; - e.val.u.bitstringval = makebits(buf, buflen, 0); - return e; -} - -static Elem -mkutc(long t) -{ - Elem e; - char utc[50]; - Tm *tm = gmtime(t); - - e.tag.class = Universal; - e.tag.num = UTCTime; - e.val.tag = VString; - snprint(utc, 50, "%.2d%.2d%.2d%.2d%.2d%.2dZ", - tm->year % 100, tm->mon+1, tm->mday, tm->hour, tm->min, tm->sec); - e.val.u.stringval = estrdup(utc); - return e; -} - -static Elem -mkoid(Ints *oid) -{ - Elem e; - - e.tag.class = Universal; - e.tag.num = OBJECT_ID; - e.val.tag = VObjId; - e.val.u.objidval = makeints(oid->data, oid->len); - return e; -} - -static Elem -mkseq(Elist *el) -{ - Elem e; - - e.tag.class = Universal; - e.tag.num = SEQUENCE; - e.val.tag = VSeq; - e.val.u.seqval = el; - return e; -} - -static Elem -mkset(Elist *el) -{ - Elem e; - - e.tag.class = Universal; - e.tag.num = SETOF; - e.val.tag = VSet; - e.val.u.setval = el; - return e; -} - -static Elem -mkalg(int alg) -{ - return mkseq(mkel(mkoid(alg_oid_tab[alg]), mkel(Null(), nil))); -} - -typedef struct Ints7pref { - int len; - int data[7]; - char prefix[4]; -} Ints7pref; -Ints7pref DN_oid[] = { - {4, 2, 5, 4, 6, 0, 0, 0, "C="}, - {4, 2, 5, 4, 8, 0, 0, 0, "ST="}, - {4, 2, 5, 4, 7, 0, 0, 0, "L="}, - {4, 2, 5, 4, 10, 0, 0, 0, "O="}, - {4, 2, 5, 4, 11, 0, 0, 0, "OU="}, - {4, 2, 5, 4, 3, 0, 0, 0, "CN="}, - {7, 1,2,840,113549,1,9,1, "E="}, -}; - -static Elem -mkname(Ints7pref *oid, char *subj) -{ - return mkset(mkel(mkseq(mkel(mkoid((Ints*)oid), mkel(mkstring(subj), nil))), nil)); -} - -static Elem -mkDN(char *dn) -{ - int i, j, nf; - char *f[20], *prefix, *d2 = estrdup(dn); - Elist* el = nil; - - nf = tokenize(d2, f, nelem(f)); - for(i=nf-1; i>=0; i--){ - for(j=0; j<nelem(DN_oid); j++){ - prefix = DN_oid[j].prefix; - if(strncmp(f[i],prefix,strlen(prefix))==0){ - el = mkel(mkname(&DN_oid[j],f[i]+strlen(prefix)), el); - break; - } - } - } - free(d2); - return mkseq(el); -} - - -uchar* -X509gen(RSApriv *priv, char *subj, ulong valid[2], int *certlen) -{ - int serial = 0; - uchar *cert = nil; - RSApub *pk = rsaprivtopub(priv); - Bytes *certbytes, *pkbytes, *certinfobytes, *sigbytes; - Elem e, certinfo, issuer, subject, pubkey, validity, sig; - uchar digest[MD5dlen], *buf; - int buflen; - mpint *pkcs1; - - e.val.tag = VInt; /* so freevalfields at errret is no-op */ - issuer = mkDN(subj); - subject = mkDN(subj); - pubkey = mkseq(mkel(mkbigint(pk->n),mkel(mkint(mptoi(pk->ek)),nil))); - if(encode(pubkey, &pkbytes) != ASN_OK) - goto errret; - freevalfields(&pubkey.val); - pubkey = mkseq( - mkel(mkalg(ALG_rsaEncryption), - mkel(mkbits(pkbytes->data, pkbytes->len), - nil))); - freebytes(pkbytes); - validity = mkseq( - mkel(mkutc(valid[0]), - mkel(mkutc(valid[1]), - nil))); - certinfo = mkseq( - mkel(mkint(serial), - mkel(mkalg(ALG_md5WithRSAEncryption), - mkel(issuer, - mkel(validity, - mkel(subject, - mkel(pubkey, - nil))))))); - if(encode(certinfo, &certinfobytes) != ASN_OK) - goto errret; - md5(certinfobytes->data, certinfobytes->len, digest, 0); - freebytes(certinfobytes); - sig = mkseq( - mkel(mkalg(ALG_md5), - mkel(mkoctet(digest, MD5dlen), - nil))); - if(encode(sig, &sigbytes) != ASN_OK) - goto errret; - pkcs1 = pkcs1pad(sigbytes, pk->n); - freebytes(sigbytes); - rsadecrypt(priv, pkcs1, pkcs1); - buflen = mptobe(pkcs1, nil, 0, &buf); - mpfree(pkcs1); - e = mkseq( - mkel(certinfo, - mkel(mkalg(ALG_md5WithRSAEncryption), - mkel(mkbits(buf, buflen), - nil)))); - free(buf); - if(encode(e, &certbytes) != ASN_OK) - goto errret; - if(certlen) - *certlen = certbytes->len; - cert = certbytes->data; -errret: - freevalfields(&e.val); - return cert; -} - -uchar* -X509req(RSApriv *priv, char *subj, int *certlen) -{ - /* RFC 2314, PKCS #10 Certification Request Syntax */ - int version = 0; - uchar *cert = nil; - RSApub *pk = rsaprivtopub(priv); - Bytes *certbytes, *pkbytes, *certinfobytes, *sigbytes; - Elem e, certinfo, subject, pubkey, sig; - uchar digest[MD5dlen], *buf; - int buflen; - mpint *pkcs1; - - e.val.tag = VInt; /* so freevalfields at errret is no-op */ - subject = mkDN(subj); - pubkey = mkseq(mkel(mkbigint(pk->n),mkel(mkint(mptoi(pk->ek)),nil))); - if(encode(pubkey, &pkbytes) != ASN_OK) - goto errret; - freevalfields(&pubkey.val); - pubkey = mkseq( - mkel(mkalg(ALG_rsaEncryption), - mkel(mkbits(pkbytes->data, pkbytes->len), - nil))); - freebytes(pkbytes); - certinfo = mkseq( - mkel(mkint(version), - mkel(subject, - mkel(pubkey, - nil)))); - if(encode(certinfo, &certinfobytes) != ASN_OK) - goto errret; - md5(certinfobytes->data, certinfobytes->len, digest, 0); - freebytes(certinfobytes); - sig = mkseq( - mkel(mkalg(ALG_md5), - mkel(mkoctet(digest, MD5dlen), - nil))); - if(encode(sig, &sigbytes) != ASN_OK) - goto errret; - pkcs1 = pkcs1pad(sigbytes, pk->n); - freebytes(sigbytes); - rsadecrypt(priv, pkcs1, pkcs1); - buflen = mptobe(pkcs1, nil, 0, &buf); - mpfree(pkcs1); - e = mkseq( - mkel(certinfo, - mkel(mkalg(ALG_md5), - mkel(mkbits(buf, buflen), - nil)))); - free(buf); - if(encode(e, &certbytes) != ASN_OK) - goto errret; - if(certlen) - *certlen = certbytes->len; - cert = certbytes->data; -errret: - freevalfields(&e.val); - return cert; -} - -static char* -tagdump(Tag tag) -{ - if(tag.class != Universal) - return smprint("class%d,num%d", tag.class, tag.num); - switch(tag.num){ - case BOOLEAN: return "BOOLEAN"; break; - case INTEGER: return "INTEGER"; break; - case BIT_STRING: return "BIT STRING"; break; - case OCTET_STRING: return "OCTET STRING"; break; - case NULLTAG: return "NULLTAG"; break; - case OBJECT_ID: return "OID"; break; - case ObjectDescriptor: return "OBJECT_DES"; break; - case EXTERNAL: return "EXTERNAL"; break; - case REAL: return "REAL"; break; - case ENUMERATED: return "ENUMERATED"; break; - case EMBEDDED_PDV: return "EMBEDDED PDV"; break; - case SEQUENCE: return "SEQUENCE"; break; - case SETOF: return "SETOF"; break; - case NumericString: return "NumericString"; break; - case PrintableString: return "PrintableString"; break; - case TeletexString: return "TeletexString"; break; - case VideotexString: return "VideotexString"; break; - case IA5String: return "IA5String"; break; - case UTCTime: return "UTCTime"; break; - case GeneralizedTime: return "GeneralizedTime"; break; - case GraphicString: return "GraphicString"; break; - case VisibleString: return "VisibleString"; break; - case GeneralString: return "GeneralString"; break; - case UniversalString: return "UniversalString"; break; - case BMPString: return "BMPString"; break; - default: - return smprint("Universal,num%d", tag.num); - } -} - -static void -edump(Elem e) -{ - Value v; - Elist *el; - int i; - - print("%s{", tagdump(e.tag)); - v = e.val; - switch(v.tag){ - case VBool: print("Bool %d",v.u.boolval); break; - case VInt: print("Int %d",v.u.intval); break; - case VOctets: print("Octets[%d] %.2x%.2x...",v.u.octetsval->len,v.u.octetsval->data[0],v.u.octetsval->data[1]); break; - case VBigInt: print("BigInt[%d] %.2x%.2x...",v.u.bigintval->len,v.u.bigintval->data[0],v.u.bigintval->data[1]); break; - case VReal: print("Real..."); break; - case VOther: print("Other..."); break; - case VBitString: print("BitString..."); break; - case VNull: print("Null"); break; - case VEOC: print("EOC..."); break; - case VObjId: print("ObjId"); - for(i = 0; i<v.u.objidval->len; i++) - print(" %d", v.u.objidval->data[i]); - break; - case VString: print("String \"%s\"",v.u.stringval); break; - case VSeq: print("Seq\n"); - for(el = v.u.seqval; el!=nil; el = el->tl) - edump(el->hd); - break; - case VSet: print("Set\n"); - for(el = v.u.setval; el!=nil; el = el->tl) - edump(el->hd); - break; - } - print("}\n"); -} - -void -asn1dump(uchar *der, int len) -{ - Elem e; - - if(decode(der, len, &e) != ASN_OK){ - print("didn't parse\n"); - exits("didn't parse"); - } - edump(e); -} - -void -X509dump(uchar *cert, int ncert) -{ - char *e; - Bytes *b; - CertX509 *c; - RSApub *pk; - uchar digest[SHA1dlen]; - Elem *sigalg; - - print("begin X509dump\n"); - b = makebytes(cert, ncert); - c = decode_cert(b); - if(c != nil) - digest_certinfo(b, digestalg[c->signature_alg], digest); - freebytes(b); - if(c == nil){ - print("cannot decode cert"); - return; - } - - print("serial %d\n", c->serial); - print("issuer %s\n", c->issuer); - print("validity %s %s\n", c->validity_start, c->validity_end); - print("subject %s\n", c->subject); - pk = decode_rsapubkey(c->publickey); - print("pubkey e=%B n(%d)=%B\n", pk->ek, mpsignif(pk->n), pk->n); - - print("sigalg=%d digest=%.*H\n", c->signature_alg, MD5dlen, digest); - e = verify_signature(c->signature, pk, digest, &sigalg); - if(e==nil){ - e = "nil (meaning ok)"; - print("sigalg=\n"); - if(sigalg) - edump(*sigalg); - } - print("self-signed verify_signature returns: %s\n", e); - - rsapubfree(pk); - freecert(c); - print("end X509dump\n"); -} |