利用python实现DES加解密

#!/usr/bin/env python # -*- coding:utf-8 -*-  #Author: feng import codecs import time # IP置换表 IP_table = [58, 50, 42, 34, 26, 18, 10, 2,             60, 52, 44, 36, 28, 20, 12, 4,             62, 54,

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