验证签名 x.509 证书没有 openssl

ceaser转换文本加密技术-converting text encryption technology

RSA资料全集是我在学习RSA时收集的资料，它对我学习这种算法有着极大的帮助，不知对大家有帮助没有，希望对大家学习密码学有所帮助。-All of the information of RSA was collected when i was studying RSA.It gives me a great deal of help though i don t know how about you.I wish it also give you some help about the cryptology.

RSA key generation, enjoy and remember me in your prayers -RSA key generation. enjoy and remember me in your prayers

一个DES加密算法的实现-a DES encryption algorithm implementation

大数运算类,用于RSA算法,支持4096位二进制的数学运算-category for the RSA algorithm, support 4096 binary arithmetic

用DELPHI实现的经典加密算法DES，能够对文本文件进行加密。-This sutra DES encryption arithmetic is implemented by DELPHI.It can encrypt the textfile.

This a good program to start with signal processing in matlab.This gives you basic idea about covolution algorithm.

一个DES加密的实现-a realization of the DES encryption

Md5碰撞-Md5 collision