srp: rebuild library (#79)

Complete rewrite of the SRP library.

Includes many improvements over the old library:

- Improved file and code organization
- Access to individual SRP computations 
- Consistent sever and client API
- Simpler API
- Improved documentation with tests in documentation
- New tests for compatibility with the RFC
- Bumps dependencies
- Timing safe verification comparisons
- Modernized error handling 

1 files changed, 24 insertions, 0 deletions

diff --git a/srp/tests/bad_public.rs b/srp/tests/bad_public.rs
new file mode 100644
index 0000000..e18b38d
--- /dev/null
+++ b/srp/tests/bad_public.rs
@@ -0,0 +1,24 @@
+use num_bigint::BigUint;
+use num_traits::identities::Zero;
+use sha1::Sha1;
+use srp::client::SrpClient;
+use srp::groups::G_1024;
+use srp::server::SrpServer;
+
+#[test]
+#[should_panic]
+fn bad_a_pub() {
+    let server = SrpServer::<Sha1>::new(&G_1024);
+    server
+        .process_reply(b"", b"", &BigUint::zero().to_bytes_be())
+        .unwrap();
+}
+
+#[test]
+#[should_panic]
+fn bad_b_pub() {
+    let client = SrpClient::<Sha1>::new(&G_1024);
+    client
+        .process_reply(b"", b"", b"", b"", &BigUint::zero().to_bytes_be())
+        .unwrap();
+}