/*  
    EQ2Emulator:  Everquest II Server Emulator
    Copyright (C) 2007  EQ2EMulator Development Team (http://www.eq2emulator.net)

    This file is part of EQ2Emulator.

    EQ2Emulator is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    EQ2Emulator is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with EQ2Emulator.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MD5_H
#define MD5_H
#include "../common/types.h"


class MD5 {
public:
	struct MD5Context {
		uint32 hash[4];
		uint32 bytes[2];
		uint32 input[16];
	};
	static void Generate(const int8* buf, uint32 len, int8 digest[16]);
	
	static void Init(struct MD5Context *context);
	static void Update(struct MD5Context *context, const int8 *buf, uint32 len);
	static void Final(int8 digest[16], struct MD5Context *context);

	MD5();
	MD5(const uchar* buf, uint32 len);
	MD5(const char* buf, uint32 len);
	MD5(const int8 buf[16]);
	MD5(const char* iMD5String);
	
	void Generate(const char* iString);
	void Generate(const int8* buf, uint32 len);
	bool Set(const int8 buf[16]);
	bool Set(const char* iMD5String);

	bool	operator== (const MD5& iMD5);
	bool	operator== (const int8 iMD5[16]);
	bool	operator== (const char* iMD5String);

	MD5&	operator= (const MD5& iMD5);
	MD5*	operator= (const MD5* iMD5);
	MD5*	operator= (const int8* iMD5);
	operator const char* ();
protected:
	int8	pMD5[16];
private:
	static void byteSwap(uint32 *buf, uint32 words);
	static void Transform(uint32 hash[4], const int32 input[16]);
	char	pMD5String[33];
};
#endif