this is a file that encrypt and decrypt a file in vb

密码算法速度快于其他密码算法-Cipher faster than other cryptographic algorithms

密码学中的Miller Rabin素性检测算法。人工编写，用这个来学习或者是交作业，绝对是过关利器。-Cryptography Miller Rabin primality testing algorithm. Artificial preparation, use this to learn or交作业is definitely a sharp object boundary.

对证书的基本操作，如读取证书DN，证书有效期等-Basic operation of the certificate, such as reading the certificate DN, the certificate is valid, etc.

SecurityLib一个user-rights系统控件，有很多功能，如口令加密等-SecurityLib a user-rights system of controls, there are many features such as password encryption

网络新手学习的好教程-Network novice to learn a good tutorial

数字水印，用MATLAB制作的，还有一些叙述情况-Digital Watermarking using MATLAB produced, and some described the situation

RSA实现数字签名算法 VC++实现，有图形化窗口-Digital Signature Algorithm to RSA

e-maill文件加密程序完整的源代码，使用LeapFrog2加密方法.zip-e-maill document encryption procedure integrity source code, uses the LeapFrog2 encryption zip

这是MD5算法的 Asm 实现，代码效率高，-This is the MD5 algorithm Asm implementation, code efficiency,

MD5计算,可以将文件提取出摘要，进行比对，校验，实现指纹算法-MD5, can be extracted document summaries, compare and testing to achieve fingerprint algorithm