Sha2 implemention in Rust, aimed at performance. Forked from Sha2.

This fork is no longer needed as the upstream sha2 crate now supports the SHA-NI extension.

Dual-licensed under Apache 2.0 and MIT terms:

• Apache License, Version 2.0, (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)