quakeforge-old/common/net_com.c

/*
net_com.c - MD4-based checksum utility functions

Copyright (C) 1999,2000  contributors of the QuakeForge project
Please see the file "AUTHORS" for a list of contributors

Author: Jeff Teunissen	<d2deek@pmail.net>
Date: 01 Jan 2000

This file is part of the QuakeForge utility library.

This program 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 2
of the License, or (at your option) any later version.

This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#include <mdfour.h>

unsigned Com_BlockChecksum (void *buffer, int length)
{
	int				digest[4];
	unsigned 		val;
//	struct mdfour	md;

//	mdfour_begin (&md);
//	mdfour_update (&md, (unsigned char *) buffer, length);
//	mdfour_result (&md, (unsigned char *) digest);
	mdfour ( (unsigned char *) digest, (unsigned char *) buffer, length );

	val = digest[0] ^ digest[1] ^ digest[2] ^ digest[3];

	return val;
}

void Com_BlockFullChecksum (void *buffer, int len, unsigned char *outbuf)
{
//	struct mdfour	md;

//	mdfour_begin (&md);
//	mdfour_update (&md, (unsigned char *) buffer, len);
//	mdfour_result (&md, outbuf);
	mdfour ( outbuf, (unsigned char *) buffer, len );
}