def keccak64

bend-collections-laws-crypto@1.0.0.0 · src/crypto/secp256k1/ecdsa.bend:314

import Base

314# the hash of 64 bytes
315def keccak64(+h: Hash, +bs: List<&2, U32>) -> List<&2, U32>:
316  digest_bytes(hash(h, pack(words(16n, bs), 0, Array.new(U32, 4n, 0)), 64n))