大数运算类,用于RSA算法,支持4096位二进制的数学运算

aes的原代码，在ＶＣ＋＋的环境下运行．-Orangk"aes the original code in VC++ environment operation.

The class has a methode named make_CRC that gets a byte stream and start/end offsets then calculate and return a 16 bit CRC according to determined POLYNAMIAL.The POLYNAMIAL is a private field of the class.

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

使用DES3进行加密，包含全部delphi源代码！-DES3 use of encryption, including all delphi source code!

目前企业面临的计算环境和过去有很大的变化，许多数据资源能够依靠网络来远程存取，而且越来越多的通讯依赖于公共网络公共网络（如 Internet），而这些环境并不保证实体间的安全通信，数据在传输过程可能被其它人读取或篡改。-currently facing the enterprise computing environment and past a great change, many data resources to be able to rely on remote network access, and more and more dependent on public communications networks public networks (such as the Internet), which environment is not a guarantee of the security entities communications, data transmission possible by other people read or tampered with.

一些常用编码，加密算法的c/c++代码，包括，base64,sha1,des,md5等-Some commonly used encoding, encryption algorithm c/c++ Code, including, base64, sha1, des, md5, etc.

说明：des算法的实现代码 */ 能够实现56位或56*n密钥的des算法，可以通过该程序提供的接 进行数据的加密，保证数据在传送过程的安全性-Description: des algorithm realize the code*/can be achieved 56 or 56* n keys des algorithm, can be provided through the program access data encryption to ensure data security during transmission of

对软件进行加密限制，以防止末经诃可的随意拷贝-right software encryption restrictions to prevent the end by sending copies to be arbitrary

Openssl的SSL证书认证程序，也是用VC写的。已通过测试。-Openssl SSL certificate authentication procedures, as well as with VC writes. Have passed the tests.

本次实现采用流水线结构，分析子密钥与原始密钥的直接关系，利用组合逻辑同时产生16个子密钥，总体上既兼顾了效率，又不占用太多资源，经仿真测试，完全通过。