A sha1 implementation useable in const contexts

const-sha1

A sha1 implementation useable in const contexts.

Use

const fn signature() -> [u32; 5] {
    const_sha1::sha1(stringify!(MyType).as_bytes()).data
}

This crate currently requires nightly for const if/match and const loop which should be stable in Rust 1.46 which is due to release in the late August 2020 timeframe.

Attribution

This code is largely inspired by the following repos:

• vog/sha1
• mitsuhiko/rust-sha1