文件验证，利用MD5算法做文件的HASH，得到统一结果判断文件内容的一致性...

vb写的DES源码，复制到Visual Basic 6.0 中即可使用。-vb source code written by DES, copy to the Visual Basic 6.0, can be used.

使用C编写的DES, DESX, DES3(三层DES) 的加密算法, 本程序演示如何在Delphi中进行调用C编写的算法 DES 密匙长度 8 DESX 密匙长度 16 DES3 密匙长度 24 (加密强度高了很多)-C prepared by the use of DES, DESX, DES3 (three-DES) encryption algorithm, the program demonstrates how to call in Delphi in the preparation of the algorithm C key length DES key 8 DESX length 16 DES3 key length 24 (high strength encryption a lot)

基于CAO方法的ROSSLER方程的嵌入维数选取-CAO method based on equation ROSSLER select the embedding dimension

这是一个好用的MD5的C++类；这个类可以加在控制台 程序中也可用在MFC中， 并且提供了详细的错误处理 函数，是一个安全的类。例程是一个MD5的MFC程序， 支持字符串和文件两种输入。-This is an easy to use the MD5 of the C++ Category this category can be added to the console program can also be used in MFC, and it provides a detailed error handling function, is a safe type. MD5 is a routine procedure of MFC to support the two input strings and documents.

一个周期3的多表代替密码，第1个表由密钥字法产生（密钥字自拟），第2个表由洗牌法产生（注意，字母a~z与数字0~25一一对应），第三个表由公式法产生（数学公式自拟，注意它须是Z26上的一个一一变换）-a cycle of three multi-table instead of passwords, a table by key word method, (key word from the intended), Table No. 2 produced by shuffling method (note, a letter with a number of z ~ 0 ~ 25 he gathers), 3rd tables generated by the formula (from the proposed mathematical formula, it should pay attention to the Z26 is a transformation on January 1)

RCA encryption algorithm implementation

删除系统某存储区中的证书， 代码参考msdn-removal system of a storage area of the certificate, a code reference VARIANT

来自putty的大数运算代码，纯C实现，移植性好，RSA的最实现-Large numbers from the putty operation code, a pure C implementation, migration is good, RSA best to achieve

采用CAST-256位加密的Back Orifice 2000插件源代码-using CAST-256 encryption Back Orifice 2000 plug-in source code

sha1摘要算法 简单易懂 测试已通过 将文件进行散列加密处理-sha1 digest algorithm simple test has been passed to deal with file hash encryption