tweak.startNewBlockType(UbiTweak.Config);
tweak.setFinalBlock(true);
tweak.setBitsProcessed(32);
cipher.setTweak(tweak.getTweak());
cipher.encrypt(ConfigString, ConfigValue);
ConfigValue[0] ^= ConfigString[0];
ConfigValue[1] ^= ConfigString[1];
ConfigValue[2] ^= ConfigString[2];
}