Encrypts/Decrypts a piece of text using vigenere algorithm.

Ｃ＋＋语言实现智能卡研发技术，实现智能卡的ＭＤ５，ＤＥＣ，ＳＨＡ，ＲＳＡ等加密技术，欢迎大家下载，交流并研究．-C++ Language development of smart card technology, smart cards MD5, DEC, SHA, RSA encryption technology, etc., all are welcome to download, share and study.

一个比较简单的加密程序-a relatively simple encryption program

Delphi实现的RSA算法源码，包含使用范例，值得学习-Delphi source realize the RSA algorithm, including the use of examples, it is worth learning

AES加密

It s about algorithm for caesar encode

SHA1消息摘要算法， SHA1消息摘要算法-SHA1 message digest algorithm, SHA1 message digest algorithm

这是一个加密程序，可对字符串进行加密，字符串和密钥的内容和长度可以设置。-This is an encryption program that encrypt the string, string and key content and length can be set.

用vc++实现aes算法，对分组密码学做深入深入祥彻的研究 。-Using vc++ implementation aes algorithm, on the block cipher Xiang-depth study in depth to do thorough research.

RCA encryption algorithm implementation

这是一篇很好的有关RSA的文章，希望对大家有所帮助！-This is a very good article on the RSA, and I hope to help you!