SFBChecksum.h

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/*                                             -*- mode:C; fill-column:100 -*-
 *
 * SFBChecksum.c - Cryptographically INSECURE, but fairly fast
 *                 and small LFSR-based checksum
 *
 * Copyright (C) 2008 The Regents of the University of New Mexico.  All rights reserved.
 *
 * This file 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 library 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 General Public License
 * along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
 * USA
 */

#ifndef SFBCHECKSUM_H
#define SFBCHECKSUM_H

#include <inttypes.h>  /* for uint32_t */

#ifdef __cplusplus
extern "C" {
#endif

typedef uint32_t SFBChecksum[2];

void SFBChecksumInit(SFBChecksum cs);

void SFBChecksumAddByte(SFBChecksum cs, char data);

void SFBChecksumAddBytes(SFBChecksum cs, const char * data, int length);

void SFBChecksumCopy(const SFBChecksum csFrom,SFBChecksum csTo);

int SFBChecksumEqual(const SFBChecksum cs1,const SFBChecksum cs2);


const char * SFBChecksumToString(SFBChecksum cs);

int SFBChecksumFromString(SFBChecksum cs, const char * hexString);

#ifdef __cplusplus
}
#endif

#endif /* SFBCHECKSUM_H */