crypto

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des加密算法的增强版key的长度比以前多--Enhancement version of DES encryption algorithm in which key is much longer than before

密码学中的Miller Rabin素性检测算法。人工编写，用这个来学习或者是交作业，绝对是过关利器。-Cryptography Miller Rabin primality testing algorithm. Artificial preparation, use this to learn or交作业is definitely a sharp object boundary.

有关椭圆曲线数字签名的书籍，是密码学的一个重要分支-a digital of signature base on ecc

vigenerecipher加密解密算法实例 使用vigenerecipher算法加密字符串 可输入任意密钥(vigenerecipher examples of encryption and decryption algorithms String encryption algorithm using the vigenerecipher Can enter any key)

:目前混沌系统与加密技术相结合是现如今最热门的一个课题，虽然有大量的加密算法面世，但是这些加密算法并不成熟，仍然需要进一步的研究。本文采用像素位置置乱变换和像素值替代变换相结合的加密思想，设计出一种基于混沌的数字图像加密算法。引入了整数域上的逆仿射变换，算法中采用二维 logistic 混沌映射相结合的方法，生成多组混沌序列，像素置乱变换与灰度值替换都由这些混沌序列所控制。多混沌序列产生的密钥空间大于单一的混沌序列所产生的密钥空间，因此本文研究的算法加密强度很高。(The current chaotic system with encryption technology combined is now one of the hottest topics, although there are a number of encryption algorithms available, but these encryption algorithms are not ripe, still need further study. In this paper, the pixel position and the pixel value Scrambling alternative encryption ideological transformation combining design a digital image based on chaos encryption algorithm. The introduction of the inverse affine transformation integer domain, the algorithm uses a two-dimensional logistic chaos mapping method of combining to produce multiple sets of chaotic sequence, scrambling transformation and pixel gray values are replaced by the chaotic sequence control. Key space more chaotic sequence is greater than the key space of a single chaotic sequence generated by the algorithm to encrypt and therefore high strength paper.)

有些还是很有用的，网络验证经常能用到的，直接将cpp文件加入到工程里就可以了---Can realize analog keyboard, driver class. Like an ordinary keyboard can be used

IBE基于身份的加密系统的系统叁数程序，使用VC6.0开发(IBE identity-based encryption system of systems Triple the number of procedures, the use of VC6.0 Development)

CRC32哈希算法的C#版源码．采用的是动态生成码表的方法．-CRC32-hash algorithm in C# version of the source code. The code is dynamically generated table method.

eliptic curve cryptography decryption