def ecb_rt.cast6

bend-osdev-crypto@0.1.0.0 · PROOF.bend:1260

import Base
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M
import bend-osdev-legacy-ciphers@0.1.0.0/cast6.bend as C6
import bend-osdev-legacy-ciphers@0.1.0.0/LAWS.bend as LL
import bend-osdev-crypto@0.1.0.0/modes.bend as Md

1260def ecb_rt.cast6(+k: C6.LcCast6Key, bs: List<&2, M.CmBlock>) -> {bs == Md.cr.ecb(~C6.LcCast6Key, ~M.CmBlock, ~C6.LcCast6.decrypt, k, Md.cr.ecb(~C6.LcCast6Key, ~M.CmBlock, ~C6.LcCast6.encrypt, k, bs)) : List<&2, M.CmBlock>}:
1261  match bs:
1262    case Nil{}:
1263      {==}
1264    case Con{b, t}:
1265      %Equal.sym(M.CmBlock, C6.LcCast6.decrypt(k, C6.LcCast6.encrypt(k, b)), b, LL.cast6_round_trip(k, b)) : {Con{b, t} == Con{_, Md.cr.ecb(~C6.LcCast6Key, ~M.CmBlock, ~C6.LcCast6.decrypt, k, Md.cr.ecb(~C6.LcCast6Key, ~M.CmBlock, ~C6.LcCast6.encrypt, k, t))} : List<&2, M.CmBlock>}
1266      %ecb_rt.cast6(k, t) : {Con{b, t} == Con{b, _} : List<&2, M.CmBlock>}
1267      {==}