md5是常用的加密算法，但是在vc中没有系统的类可以用。本程序完成了md5类，使用简单。不是国内网上流传的类。...

des文件加密系统。-des document cryptographic system.

this code implement an Order Preserving Encryption Scheme (OPES).

MD5算法的ASP实现． 它在MD4的基础上增加了"安全-带子"（Safety-Belts）的概念。虽然MD5比MD4稍微慢一些，但却更为安全。MD5也为一种非常优秀的中间技术。-MD5 algorithm ASP. It MD4 increase on the basis of "safety-belt" (Safety-Belts) concept. Although MD5 than MD4 slightly slower, but more secure. MD5 also as a very good intermediate technology.

使用VB写的加密算法库，包括Blowfish, IDEA, Triple DES (3DES), DES, DESE, Gost, Skipjack, TEA, Cast5, Serpent-128, Serpent-192, Serpent-256, Rijndael-128, Rijndael-192, Rijndael-256, RC2, RC4, and Twofish), six popular hash algorithms (SHA-1, SHA-256, MD2, MD4, MD5, and RipeMD), 还有 Huffman和Base64算法.- Uses encryption algorithm storehouse which VB writes, including Blowfish, IDEA, Triple DES (3DES), DES, DESE, Gost, Skipjack, TEA, Cast5, Serpent-128, Serpent-192, Serpent-256, Rijndael-128, Rijndael-192, Rijndael-256, RC2, RC4, and Twofish), six popular hash algorithms (SHA-1, SHA-256, MD2, MD4, MD5, and RipeMD), but also has Huffman and the Base64 algorithm

Java Cryptography and source code

MD5加密单元及DEMO-MD5 encryption modules and DEMO

数字加密 数字加密 数字加密 -digital encryption, digital encryption, digital encryption, digital encryption, digital encryption, digital encryption

快速去除PDF密码设置，不用安装，直接使用-Quick removal of PDF password settings, do not need to install, direct use

Skipjack 加密算法 美国国家安全局标准加密算法-Skipjack encryption algorithm US country peaceful overall situation standard encryption algorithm

MD5算法研究 最新的，具体内容看文章 Message-Digest Algorithm 5它的英文名字-MD5 algorithm studies newly, the concrete content looks at article Message-Digest the Algorithm 5 its English names