一个通过控制系统时间来达到限制软件使用期限的算法程序

哈希数据编码解码实现（Hash） 需安全openssl等安全证书-Hash data codec implementation (Hash) need to secure safety certificate openssl, etc.

encrytion algorithms.

pe文件2in1捆绑工具源代码!请用Delphi编译!-pe paper in 1 tool bundled source code! Please use the Delphi compiler!

MD5加密算法得VisualC＋＋6.0源程序，直接调用里面的函数即可-MD5 Encryption Algorithm in Visual C++ 6.0 source code, direct calls to the function can be

DES加密算法实现的C++类 -DES cryptographic algorithm for C

Delphi实现的RSA算法源码，包含使用范例，值得学习-Delphi source realize the RSA algorithm, including the use of examples, it is worth learning

aes coding details .yhis can be used for simple encryption

jsse使用范例，通过sokcet通讯建立安全数据传输-JSSE using the example of communication through the establishment of security Sokcet data transmission

AES（The Advanced Encryption Standard）是美国国家标准与技术研究所用于加密电子数据的规范-AES (The Advanced Encryption Standard) is the National Institute of Standards and Technology for the electronic data encryption standard

这是用C编写的伪随机数加密算法，请大虾们指教。-This is prepared by using C pseudo-random number encryption algorithm, please advise their shrimp.