sha224

用java语言实现rsa经典算法 自己可以加上运行测试！-using java language rsa classical algorithm can add their own testing!

数据隐藏程序，比机密更安全-Data Hiding procedures, more than security secrets

Base64Coding源码-Base64Coding FOSS

单位基数64；

This program implements the SDES algorithm to peform Encrytion and Decryption

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

提供服务端登陆验证程序（验证码随机改变，防止非法进入）； 提供服务器控制程序，管理员可以允许、屏蔽和删除一个注册用户的登陆客户端； 任何改变访问地点的行为，都必须得到管理员的授权，否则无法登陆系统； 即使知道其他用户的密码也不能登陆系统。-provide certification services-landing procedures (Random Verification code change to prevent illegal entry); Provide server control procedures, administrators can allow, shielding and delete a user"s landing client; Any change in location of the visit have to be authorized administrators, whether while not landing systems; even if they know the password for other users can not landing system.

根据JPEG2000格式的特性，改变在其算术编码时采用的概率状态迁移表可达到加密图像的效果-According to the characteristics of JPEG2000 format change in its arithmetic coding used in the probability of state migration table can achieve the effect of encrypted image

自己做的一个数据加密的程序，程序简单，可以直接使用的。-Their own to do a data encryption procedures, the procedures simple, can be directly used.

文件加密解密算法，使用CSharp语言编程实现，有界面。(Document encryption and decryption algorithm, using the CSharp language programming, there are interfaces.)