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//! Assembly implementation of [Whirlpool][1] compression function. //! //! For full Whirlpool hash function with this implementation of compression //! function use [whirlpool](https://crates.io/crates/whirlpool) crate with //! the enabled "asm" feature. //! //! Only x86 and x86-64 architectures are currently supported. //! //! [1]: https://en.wikipedia.org/wiki/Whirlpool_(cryptography) #![no_std] #[cfg(not(any(target_arch = "x86_64", target_arch = "x86")))] compile_error!("crate can only be used on x86 and x86-64 architectures"); #[link(name="whirlpool", kind="static")] extern "C" { fn whirlpool_compress(state: &mut [u8; 64], block: &[u8; 64]); } /// Safe wrapper around assembly implementation of Whirlpool compression function #[inline] pub fn compress(state: &mut [u8; 64], block: &[u8; 64]) { unsafe { whirlpool_compress(state, block) } }