CMd5.h

/*
 * RFC 1321 compliant MD5 implementation,
 * by Christophe Devine <devine@cr0.net>;
 * this program is licensed under the GPL.
 *
 * modified by zouxin
 */

#ifndef _MD5_H
#define _MD5_H

//#pragma warning(disable:4786)

#include <string>

using namespace std;

//add by zouxin,16 bytes
typedef struct {
	unsigned long data[4]; 
}MD5;
//
/*!
 * Manage MD5.
 */
class CMD5
{
private:
	#define uint8  unsigned char
	#define uint32 unsigned long int

	struct md5_context
	{
		uint32 total[2];
		uint32 state[4];
		uint8 buffer[64];
	};

	void md5_starts( struct md5_context *ctx );
	void md5_process( struct md5_context *ctx, uint8 data[64] );
	void md5_update( struct md5_context *ctx, uint8 *input, uint32 length );
	void md5_finish( struct md5_context *ctx, uint8 digest[16] );

public:
	//! construct a CMD5 from any buffer
	void GenerateMD5(unsigned char* buffer,int bufferlen);

	//! construct a CMD5
	CMD5();

	//! construct a md5src from char *
	CMD5(const char * md5src);

	//! construct a CMD5 from a 16 bytes md5
	CMD5(unsigned long* md5src);

	//! add a other md5
	CMD5 operator +(CMD5 adder);

	//! just if equal
	bool operator ==(CMD5 cmper);

	//! give the value from equer
	// void operator =(CMD5 equer);

	//! to a string
	string ToString();

	unsigned long m_data[4];

	//add by zouxin
	MD5 getResult();

};
#endif /* md5.h */