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//! Assembly implementation of [SHA-1][1] compression function. //! //! For full SHA-1 hash function with this implementation of compression function //! use [sha-1](https://crates.io/crates/sha-1) crate with //! the enabled "asm" feature. //! //! Only x86 and x86-64 architectures are currently supported. //! //! [1]: https://en.wikipedia.org/wiki/SHA-1 #![no_std] #[link(name="sha1", kind="static")] extern "C" { fn sha1_compress(state: &mut [u32; 5], block: &[u8; 64]); } /// Safe wrapper around assembly implementation of SHA-1 compression function #[inline] pub fn compress(state: &mut [u32; 5], block: &[u8; 64]) { unsafe { sha1_compress(state, block); } }