解密

DES declassified document source code, can declassify any type of any size document.

DES件源代码，可以任何类型任何大小件。

While the computer took a few seconds to convert and decode the burst of decaying tachyons, the Consul poured himself a glass of Scotch.

计算机得花几秒钟转换并超光速粒子脉冲信号，趁着这片刻工夫，领事给自己倒了杯苏格兰威士忌。

The text discusses computer's principle and method of special information encipher and decipher. The text indicates program example of encipher and decipher and its actual application.

分析在计算机信息安工作中,在大量信息共享基础上,选择特定重要信息,进行加和可逆方法.举出简单加程序和程序,最后探讨了加应用操作技巧.

DES algorithm decryption process is the same, the only difference is that the first iteration used Subkey K15, K14 ,......, second last with K0, the algorithm itself without any change.

DES算法过程是一，别仅仅在于第一次迭代时用子钥K15，第二次K14、......，最后一次用K0，算法本身并没有任何变化。