subkey

1.Enumerates the subkeys of the specified open registry key.The function retrieves information about one subkey each time it is called.

函数用于个已打开键的子键,每次调用函数将返回个子键的信息.

2.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算法的解密过程是样的，别仅仅在于第次迭代时用子密钥K15，第二次K14、......，最后次用K0，算法本身并没有任何变化。