LAWS.cast5_ecb_round_trip: law of bend-osdev-crypto@0.1.0.0
Import: import bend-osdev-crypto@0.1.0.0/LAWS.bend as LAWS
Lines 1021-1025 of bend-osdev-crypto@0.1.0.0/LAWS.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-crypto@0.1.0.0/LAWS.bend&start_line=1021&end_line=1025

import Base
import bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend as L
import bend-osdev-legacy-ciphers@0.1.0.0/cast5.bend as C5
import bend-osdev-crypto@0.1.0.0/modes.bend as Md

# CAST-128 (legacy-ciphers) in ECB (modes.bend): decryption undoes encryption, for every key and list of blocks
law cast5_ecb_round_trip:
  for +k: C5.LcCast5Key
  for +bs: List<&2, L.LcBlock64>
  {Md.CrEcb.decrypt_blocks(~C5.LcCast5Key, ~L.LcBlock64, ~C5.LcCast5.decrypt, k, Md.CrEcb.encrypt_blocks(~C5.LcCast5Key, ~L.LcBlock64, ~C5.LcCast5.encrypt, k, bs)) == bs : List<&2, L.LcBlock64>}

Uses (12):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/PROOF.bend&name=ecb_pub
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/PROOF.bend&name=ecb_rt.cast5
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/modes.bend&name=CrEcb.decrypt_blocks
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/modes.bend&name=CrEcb.encrypt_blocks
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/modes.bend&name=cr.ecb
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/modes.bend&name=cr.ecb.go
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/cast5.bend&name=LcCast5.decrypt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/cast5.bend&name=LcCast5.encrypt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/cast5.bend&name=LcCast5Key
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend&name=LcBlock64