checksum.h

/*= -*- c-basic-offset: 4; indent-tabs-mode: nil; -*-
 *
 * librsync -- the library for network deltas
 * $Id$
 * 
 * Copyright (C) 2000, 2001 by Martin Pool <mbp@sourcefrog.net>
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

rs_weak_sum_t rs_calc_weak_sum(void const *buf1, int len);

void rs_calc_md4_sum(void const *buf, size_t buf_len, rs_strong_sum_t *);
void rs_calc_blake2_sum(void const *buf, size_t buf_len, rs_strong_sum_t *);

/* We should make this something other than zero to improve the
 * checksum algorithm: tridge suggests a prime number. */
#define RS_CHAR_OFFSET 31