law hmac_ripemd160_split

bend-osdev-crypto@0.1.0.0 · LAWS.bend:1379

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-crypto@0.1.0.0/hmac.bend as Hm
import bend-osdev-hashes@0.1.0.0/hashes.bend as Hs
import bend-osdev-hashes@0.1.0.0/ripemd160.bend as HRM

1379# HMAC over RIPEMD-160 (hashes): the tag in pieces is the tag in one call, for every split
1380law hmac_ripemd160_split:
1381  for +kk: Hm.CrHmacKey
1382  for +a: B.Octets
1383  for +b: B.Octets
1384  {Hm.CrHmac.finish(~Hs.HsMdState<Hs.HsW5>, ~HRM.HsRipemd160.init(), ~HRM.HsRipemd160.update, ~HRM.HsRipemd160.final, Hm.CrHmac.update(~Hs.HsMdState<Hs.HsW5>, ~HRM.HsRipemd160.update, Hm.CrHmac.update(~Hs.HsMdState<Hs.HsW5>, ~HRM.HsRipemd160.update, Hm.CrHmac.start(~Hs.HsMdState<Hs.HsW5>, ~HRM.HsRipemd160.init(), ~HRM.HsRipemd160.update, kk), a), b)) == Hm.CrHmac.mac(~HRM.HsRipemd160.digest, kk, B.Octets.append(a, b)) : B.Octets}