四种加密解密算法的源代码：移位密码、仿射密码、维吉尼亚密码以及置换密码。-four encryption and decryption algorithm source code : shift password, affine passwords, Virginia passwords and password replacement. 下载
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常用的四种加密解密算法。移位密码、仿射密码、维吉尼亚密码以及置换密码，用纯C语言编写。-four commonly used encryption and decryption algorithms. Shift password, affine password, Virginia and password replacement passwords, using pure C language. 下载
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压缩包内论文只是通过对一个简单的密码体制：仿射密码（Affine Cipher）的分析、设计和实现来说明简单的加密思想，从这个思想我们可以研究更复杂的加密算法。最后，我以软件的形式将其实现，通过测试，发现使用效率还可以；但是，这只是个实验性的设计，要想不被人破译，还需要更复杂的密钥空间和更难的算法。-compressed within the papers only through a simple password system : Affine password (Affine Cipher) the analysis, design and implementation to illustrate the simple encryption thinking, From this thinking we could consider a more complex encryption algorithm. Finally, I software in the form of its realization, testing and found that the efficiency can also use; However, This is only the experimental design, in order not to be deciphered, also need more complex and more difficult to key space algorithm. 下载
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