哈夫曼压缩

数字签名加密算法的两座大厦先后倒塌―MD5和SHA-1这两种应用最为广泛的数字签名加密算法都被山东大学的王小云教授破解。-encrypted digital signature algorithm has two buildings collapsed- MD5 and SHA-1 that the two most widely used digital signature encryption algorithm has been the Shandong University Professor Bruce Schneier break.

Converst a bit array into a single byte and vice versa

JAVA开发的，使用RSA,MD5开发的简单数字签名软件，可以用来对文件和消息做数字签名。 -JAVA development, the use of RSA, MD5 developed a simple digital signature software, can be used for documents and information to do a digital signature.

ntstrsafe lib and csq.lib

OpenVPN is a robust and highly flexible tunneling application that uses all of the encryption, authentication, and certification features of the OpenSSL library to securely tunnel IP networks over a single TCP/UDP port.

用Visual c++实现数字图像迭代混沌加密-Using Visual c++ Realize digital image iterative chaotic encryption

一个不错的文件加密系统，对你工作的安全大大加强。-a good file encryption system, you have the right security greatly enhanced.

CRC循环冗余检测，CRC32的一个检测实例-CRC cyclic redundancy test, CRC32 instance of a test

c加密算法，比较实用的一程序，在别人那拷的.-c encryption algorithm, a more practical procedure, the copy of others.

解加密的zip文件的密码的程序 -Cracking encrypted zip file s password