def ccm.tag

bend-osdev-cipher-modes@0.1.0.0 · ccm.bend:58

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M

58# the tag: the first m bytes of the MAC
59def ccm.tag(~K: Data, ~enc: K -> M.CmBlock -> M.CmBlock, +k: K, +m: Nat, +l: Nat, +nonce: List<&2, U32>, +a: List<&2, U32>, +p: List<&2, U32>) -> List<&2, U32>:
60  B.take(m, M.cm.bytes_of(ccm.mac(~K, ~enc, k, m, l, nonce, a, p)))