sha1.H

Go to the documentation of this file.

/*!@file Util/sha1.H general sha1 (160-bit) message-digest implementation */

// This code is from http://www.cr0.net:8040/code/crypto/sha1/, also
// under the GPL (see original copyright notice below).

/*
 *  FIPS-180-1 compliant SHA-1 implementation
 *
 *  Copyright (C) 2001-2003  Christophe Devine
 *
 *  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
 */

//
// Primary maintainer for this file: Rob Peters <rjpeters at usc dot edu>
// $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/Util/sha1.H $
// $Id: sha1.H 5367 2005-08-22 21:45:50Z rjpeters $
//

#ifndef UTIL_SHA1_H_DEFINED
#define UTIL_SHA1_H_DEFINED

#include "Util/Types.H"

struct sha1_context
{
  uint32 total[2];
  uint32 state[5];
  byte buffer[64];
};

void sha1_starts( sha1_context* ctx );
void sha1_update( sha1_context* ctx, const byte* input, uint32 length );
void sha1_finish( sha1_context* ctx, byte digest[20] );

// ######################################################################
/* So things look consistent in everyone's emacs... */
/* Local Variables: */
/* indent-tabs-mode: nil */
/* End: */

#endif // UTIL_SHA1_H_DEFINED