Merge pull request #118 from briansmith/add-ring-webpki

Add *ring* and webpki to the Cryptography section.

README.md

@@ -226,6 +226,8 @@ See also [http://areweideyet.com/](http://areweideyet.com/) and [Rust and IDEs](
 
 ### Cryptography
 
+* [briansmith/ring](https://github.com/briansmith/ring) — Safe, fast, small crypto using Rust and BoringSSL's cryptography primitives. [<img src="https://travis-ci.org/briansmith/ring.svg?branch=master">](https://travis-ci.org/briansmith/ring)
+* [briansmith/webpki](https://github.com/briansmith/webpki) — Web PKI TLS X.509 certificate validation in Rust. [<img src="https://travis-ci.org/briansmith/webpki.svg?branch=master">](https://travis-ci.org/briansmith/webpki)
 * [DaGenix/rust-crypto](https://github.com/DaGenix/rust-crypto) — cryptographic algorithms in Rust [<img src="https://travis-ci.org/DaGenix/rust-crypto.svg?branch=master">](https://travis-ci.org/DaGenix/rust-crypto)
 * [dnaq/sodiumoxide](https://github.com/dnaq/sodiumoxide) — [libsodium](https://github.com/jedisct1/libsodium) bindings [<img src="https://travis-ci.org/dnaq/sodiumoxide.svg?branch=master">](https://travis-ci.org/dnaq/sodiumoxide)
 * [klutzy/suruga](https://github.com/klutzy/suruga) — a Rust implementation of [TLS 1.2](http://tools.ietf.org/html/rfc5246)