DES算法程序，此程序为完整的程序，可以直接下载使用

encrytion algorithms.

锁住/解锁硬盘 - Locks in/the solution to lock the hard disk

KeePassX用于保护密码的安全，使用了高强度的加密数据库-KeePassX password protection for the safety of the use of high-strength encryption database

是DES的编码密码算法，非常适合初学者学习，欢迎使用。-DES cryptographic algorithm is the encoding is very suitable for beginners to learn, welcome to use.

加密工具源码，由ASM编写，代码简洁，很值得研究！-Source encryption tool, prepared by the ASM, code simplicity, it is worth studying!

完整的EVRC压缩解压缩算法源码,附带一个简单的例子程序。-EVRC complete source compression decompression algorithms, with a simple example program.

简单的RSA加密范例-simple example of the RSA encryption

一个用c编写的文件加密器，可以加密任何类型的文件，速度很快！for dos!-with a paper prepared by the encryption device that can encrypt any type of document, very fast! For dos!

RC4加密源代码，用C++编写，全套源代码，很齐全，测试过没有任何问题放心使用-RC4 encryption source code, using C++ Prepared a full set of source code, it is complete, tested ease of use there is no problem

DES密码体制的安全性应该不依赖于算法的保密，其安全性仅以加密密钥的保密为基础-DES password security system should not depend on secrecy algorithm, the only security encryption key based on the confidentiality