aes.py 文件源码

def __getEncryptionKey(self, privKey, snmpEngineBoots, snmpEngineTime):
        salt = [self._localInt>>56&0xff,
                self._localInt>>48&0xff,
                self._localInt>>40&0xff,
                self._localInt>>32&0xff,
                self._localInt>>24&0xff,
                self._localInt>>16&0xff,
                self._localInt>>8&0xff,
                self._localInt&0xff]

        if self._localInt == 0xffffffffffffffff:
            self._localInt = 0
        else:
            self._localInt += 1

        return self.__getDecryptionKey(privKey, snmpEngineBoots, snmpEngineTime, salt) + (univ.OctetString(salt).asOctets(),)