PROOF.tr.ccm_decrypt: def of bend-osdev-cipher-modes@0.1.0.0
Import: import bend-osdev-cipher-modes@0.1.0.0/PROOF.bend as PROOF
Lines 1274-1276 of bend-osdev-cipher-modes@0.1.0.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-cipher-modes@0.1.0.0/PROOF.bend&start_line=1274&end_line=1276

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

def 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>}:
  %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>}
  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))

Uses (13):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_le
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/LAWS.bend&name=len_fast
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.to_list
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=len
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/PROOF.bend&name=tr.d2
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/ccm.bend&name=Ccm.decrypt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/ccm.bend&name=Ccm.decrypt.ref
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/ccm.bend&name=ccm.d2.fast
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend&name=CmBlock
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend&name=CmError