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(),)