这是密码学的一个常用算法TWOFISH128，对于学习密码学很有帮助啊。...

Compare Two Files HMACSHA1 VB 2005

java自行开发rsa-developed rsa

ElGamal算法-ElGamal algorithm

密码编码学――加密方法的C与C++实现-cryptographers-- encryption methods of achieving C and C

Encrypts/Decrypts a piece of text using vigenere algorithm.

JAVA加密算法之一-JAVA encryption algorithm

GOSTDSA算法的Pascal实现和例子，包括签名和确认-GOSTDSA the algorithm Pascal realization and the example, including sign and confirmed

带密钥的md5算法库md5lib.h共有下列函数： char* MDString (char *) /*输入任意一个字符串，经过md5算法处理后，返回结果：一个定长（32个字符） 字符串 */ char* MDFile (char *) /*输入任意一个文件名，文件内容经过md5算法处理后，返回结果：一个定长 （32个字符）字符串 */ char* hmac_md5(char* text, char* key) /*输入任意一个字符串text,和一个用做密钥的字符串key,经过hmac_md5算法处 理，返回处理结果：一个定长字符串（32个字符）*/ 具体使用方法可参考例子sample.c,其运行结果在本文后面。-Md5 algorithm with a key repository md5lib.h total of the following functions: char* MDString (char*) /* enter any one string, after md5 algorithm processing, return the result: a fixed-length (32 characters) string*/char* MDFile (char*) /* enter any of the file name, file contents through the md5 algorithm processing, return the result: a fixed-length (32 characters) string*/char* hmac_md5 (char* text, char* key) /* input a string of arbitrary text, and a string key used as key, after hmac_md5 algorithm processing, return processing results: a fixed-length string (32 characters)*/specific examples of the use of methods can be found sample.c, the results

实现维吉尼亚密码，用键盘接收明文和密钥，屏幕打印密文。-The achievement of Virginia password, use the keyboard to receive explicit and key, screen printing ciphertext.

DIAMOND2加密算法的原代码-DIAMOND2 encryption algorithm source code