law Verify.value

bend-collections-laws-crypto@1.0.0.0 · proofs/crypto/mac/laws.bend:21

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/mac.bend as MAC
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/hmac.bend as Spec
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/subtle.bend as SubtleSpec

21# verify is the reference comparison of the tag with the specified HMAC.
22law Verify.value:
23  for +key: List<&2, U32>
24  for +msg: List<&2, U32>
25  for +tag: List<&2, U32>
26  {MAC.verify(key, msg, tag) == SubtleSpec.equal(Spec.hmac(key, msg), tag) : Bool}