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主要是对注册机的简单的开发以及应用，包括注册机的如何操作。(Mainly on the development of RI and simple applications, including RI' s how.)

MD5算法的实现。MD5以512位分组来处理输入的信息，且每一分组又被划分为16个32位子分组，经过了一系列的处理后，算法的输出由四个32位分组组成，将这四个32位分组级联后将生成一个128位散列值。 -MD5 algorithm. MD5 to 512 groups to deal with the importation of information and each group was also divided into 16 groups of 32 seats, After a series of processing, the output from the algorithm 4 32 subgroups, 4 32 this group will generate a cascade 128 hash value.

使用维吉尼亚矩阵进行对明文的加密以及解密。(Vigenere matrix is used to encrypt and decrypt plaintext.)

仿射 suanfa daima 加密 解密(affine suanfa daima affine )

在WTL程序中使用MD5算法的一个实现例子。-WTL program in the MD5 algorithm using the example of an implementation.

量子密钥仿真 量子信息，BB84协议 量子密钥分配，安全通信，量子密码学，进十年内可能取代传统方法(the model of quantum key )

如何对一个已有字符串加密-how to have a string encryption

PGP使用的idea加密算法实现-PGP the use idea encryption algorithm realizes

JAVA的加密源程序，DES等加密算法-JAVA encryption source, such as DES encryption algorithm

利用C语言实现的cmac算法，该cmac基于AES。程序清晰有注释便于查看(The use of C language cmac algorithm, the cmac based AES. There are clear and easy to view program notes)