rc4.h

加密解密 用于数据的加密,解密 包括 RSA rc4 md5 等,多种加密方法

//rc4.h  
#ifndef _RC4_H
#define _RC4_H

struct rc4_state
{
	int x, y, m[256];
};
void rc4_makey(  unsigned char *key, int keylength );
void rc4_setup( struct rc4_state *s, unsigned char *key,  int length );
void rc4_crypt( struct rc4_state *s, unsigned char *data, int length );
#endif