Use BLAKE2b for hashing
BLAKE2b is more widely supported than BLAKE2s. Switching will make it easier for people to reimplement Bramble and Briar, and give us more options for our crypto library, including libsodium.
BLAKE2b is more widely supported than BLAKE2s. Switching will make it easier for people to reimplement Bramble and Briar, and give us more options for our crypto library, including libsodium.