double

Function double 

Source
pub(crate) fn double(block: &GenericArray<u8, U16>) -> GenericArray<u8, U16>
Expand description

Doubles a block, in GF(2^128).

Adapted from https://github.com/RustCrypto/universal-hashes/blob/9b0ac5d1/polyval/src/mulx.rs#L5-L18