def outer

bend-collections-laws-crypto@1.0.0.0 · proofs/crypto/mac/hmac.bend:81

import Base
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/sha.bend as FIPS

81def outer(+key: List<&2, U32>, +msg: List<&2, U32>) -> List<&2, U32>:
82  List.append(&2, U32, Spec.xor_pad(Spec.k0(key), 92), FIPS.sha256_bytes(inner(key, msg)))