law xtea_round_trip_dual
import bend-osdev-legacy-ciphers@0.1.0.0/LAWS.bend as LAWSimport Base
import bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend as L
import bend-osdev-legacy-ciphers@0.1.0.0/xtea.bend as XT
173law xtea_round_trip_dual:
174 for k: XT.LcXteaKey
175 for +b: L.LcBlock64
176 {XT.LcXtea.encrypt(k, XT.LcXtea.decrypt(k, b)) == b : L.LcBlock64}