pub fn blake2<Word: UnsignedSecretIntegerCopy>(
data: &ByteSeq,
alg: BlakeVariant
) -> ByteSeq where
State<Word>: HasIV<Word>, 
pub fn blake2<Word: UnsignedSecretIntegerCopy>(
data: &ByteSeq,
alg: BlakeVariant
) -> ByteSeq where
State<Word>: HasIV<Word>,