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算法解
过程是
,区别仅仅在于
次迭代时用
K15,
二次K14、......,最后
次用K0,算法本身并没有任何变化。