cardano-serialization-lib 15.0.3

(De)serialization functions for the Cardano blockchain along with related utility functions
Documentation 
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use cryptoxide::blake2b::Blake2b;

pub(crate) fn blake2b224(data: &[u8]) -> [u8; 28] {
    let mut out = [0; 28];
    Blake2b::blake2b(&mut out, data, &[]);
    out
}

pub(crate) fn blake2b256(data: &[u8]) -> [u8; 32] {
    let mut out = [0; 32];
    Blake2b::blake2b(&mut out, data, &[]);
    out
}

// All key structs were taken from js-chain-libs:
// https://github.com/Emurgo/js-chain-libs