def tr.pad

bend-osdev-cipher-modes@0.1.0.0 · PROOF.bend:1186

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/ccm.bend as CC

1186def tr.pad(+xs: List<&2, U32>) -> {CC.ccm.pad(xs) == CC.ccm.pad.fast(xs) : List<&2, U32>}:
1187  %BL.len_fast(xs) : {CC.ccm.pad(xs) == B.append.fast(xs, B.zeros(Nat.mod(Nat.sub(16n, Nat.mod(_, 16n)), 16n))) : List<&2, U32>}
1188  %BL.append_fast(xs, B.zeros(Nat.mod(Nat.sub(16n, Nat.mod(B.len(xs), 16n)), 16n))) : {CC.ccm.pad(xs) == _ : List<&2, U32>}
1189  {==}