一个加密的算法。

IBE加密算法的入门文章Identity-Based Encryption from the Weil Pairing-IBE encryption algorithm of the article Introduction to Identity-Based Encryption from the Weil Pairing

数字水印技术的基本概念-A survey of Digital watermarking technique. It may an overview about watermarking.

aes算法java版，包含了源码和jar文件-Orangk"aes algorithm java version contains source and jar files

rsa encryption which ask a user input must me be uppercase letter-rsa encryption which ask a user input must me be uppercase letter..

CRC 32 Source Code for Visual Basic

Twofish 采用128位数据块(128 bits lock)，128-192-256-bit 可变长度密钥。-using Twofish 128 blocks of data (128 bits lock) EliteConnect (TM) Universal-192-256-bit variable-length keys.

base64的解码Ｃ语言实现-base64 decoding C Language

将密钥添加到文件尾部的例子- Increases the key to the document rear part example

Verilog写的 CRC 编码-CRC code written in Verilog

这个是一款不错的文件加密软件，能让你的隐私文件受到严密的保护．-this is a good document encryption software that can make your documents to be subject to stringent privacy protection.