MD5生成器，可以生成字符串或文件的MD5值

对JPEG2000图像的小波系数的最高两位平面用随机数进行加密-JPEG2000 images of wavelet coefficients with the highest two-plane random number encrypted

用c语言实现的sha1，速度很快，和普通的sha1不同

rsa加密算法，VC环境，基于对画框的演示rsa算法的程序。-rsa encryption algorithm, VC environment, based on a demonstration of frame rsa algorithm procedure.

使用自定义密码 进行文件加密 使用传入密码生成 SymmetricAlgorithm-You can encrypt and decrypt file with your password.

数据库安全至关重要，尤其是Access数据库，由于其加密算法过于简单，使得Access单靠密码无法保证其安全，本代码通过改变数据库头文件实现对Acess数据库的加密。-Database security is crucial, especially the Access database, because of its too simple encryption algorithm, making Access a password alone can not guarantee their safety, the code by changing the header file database achieve Acess database encryption.

一款文件加密的小软件-one small file encryption software

利用RSA加密算法对输入的原文进行加密，输入的可以是主键盘上的任何符号-use RSA encryption algorithm on the importation of the original encrypted input is the main keyboard can be any of the symbols

与 Cast128 算法二进制兼容的加密算法,64位块加密,加密匙可到128位-Cast128 algorithm and binary-compatible encryption algorithm, 64 block encryption, encryption keys can be 128

讨论了CRC生成的数学算法

基于unix下的RSA加密实例分析-under the RSA encryption Case Analysis