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def des_rt_dual

bend-osdev-legacy-ciphers@0.1.0.0 · PROOF.bend:220

import bend-osdev-legacy-ciphers@0.1.0.0/PROOF.bend as PROOF
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/des.bend as D
import bend-osdev-legacy-ciphers@0.1.0.0/LAWS.bend as Laws

220def des_rt_dual(k: D.LcDesKey, +b: L.LcBlock64) -> {b == D.LcDes.encrypt(k, D.LcDes.decrypt(k, b)) : L.LcBlock64}:
221  Equal.sym(L.LcBlock64, D.LcDes.encrypt(k, D.LcDes.decrypt(k, b)), b, Laws.des_round_trip_dual(k, b))

Uses (6)

Used by (2)