round5 0.1.2

Implementation of Round5 post-quantum PKE and KEM algorithms
Documentation 
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use crate::tiny_keccak::{Buffer, Permutation};

const ROUNDS: usize = 24;

const RC: [u64; ROUNDS] = [
    1u64,
    0x8082u64,
    0x8000_0000_0000_808au64,
    0x8000_0000_8000_8000u64,
    0x808bu64,
    0x8000_0001u64,
    0x8000_0000_8000_8081u64,
    0x8000_0000_0000_8009u64,
    0x8au64,
    0x88u64,
    0x8000_8009u64,
    0x8000_000au64,
    0x8000_808bu64,
    0x8000_0000_0000_008bu64,
    0x8000_0000_0000_8089u64,
    0x8000_0000_0000_8003u64,
    0x8000_0000_0000_8002u64,
    0x8000_0000_0000_0080u64,
    0x800au64,
    0x8000_0000_8000_000au64,
    0x8000_0000_8000_8081u64,
    0x8000_0000_0000_8080u64,
    0x8000_0001u64,
    0x8000_0000_8000_8008u64,
];

keccak_function!("`keccak-f[1600, 24]`", keccakf, ROUNDS, RC);

pub struct KeccakF;

impl Permutation for KeccakF {
    fn execute(buffer: &mut Buffer) {
        keccakf(buffer.words());
    }
}