def ccm.d2.fast

bend-osdev-cipher-modes@0.1.0.0 · ccm.bend:241

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

241def ccm.d2.fast(~K: Data, ~enc: K -> M.CmBlock -> M.CmBlock, ok: Bool, +k: K, +m: Nat, +nv: List<&2, U32>, +av: List<&2, U32>, +cv: List<&2, U32>) -> Result<&2, &2, M.CmError, B.Octets>:
242  match ok:
243    case False{}:
244      Fail{M.CmTooShort{B.len.fast(cv)}}
245    case True{}:
246      ccm.d3.fast(~K, ~enc, k, m, nv, av, cv, ccm.checks(m, B.len(nv), Nat.sub(B.len.fast(cv), m)))