def tr.ccm_decrypt

bend-osdev-cipher-modes@0.1.0.0 · PROOF.bend:1274

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

1274def tr.ccm_decrypt(~K: Data, ~enc: K -> M.CmBlock -> M.CmBlock, +k: K, +m: Nat, +nonce: B.Octets, +aad: B.Octets, +c: B.Octets) -> {CC.Ccm.decrypt.ref(~K, ~enc, k, m, nonce, aad, c) == CC.Ccm.decrypt(~K, ~enc, k, m, nonce, aad, c) : Result<&2, &2, M.CmError, B.Octets>}:
1275  %BL.len_fast(B.Octets.to_list(c)) : {CC.Ccm.decrypt.ref(~K, ~enc, k, m, nonce, aad, c) == CC.ccm.d2.fast(~K, ~enc, Nat.is_le(m, _), k, m, B.Octets.to_list(nonce), B.Octets.to_list(aad), B.Octets.to_list(c)) : Result<&2, &2, M.CmError, B.Octets>}
1276  tr.d2(~K, ~enc, Nat.is_le(m, B.len(B.Octets.to_list(c))), k, m, B.Octets.to_list(nonce), B.Octets.to_list(aad), B.Octets.to_list(c))