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# sha1.h Example File
network/torrent/3rdparty/sha1.h

     /****************************************************************************
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** This file contains third party code which is not governed by the Qt
     ** Commercial License Agreement. Please read the license headers below
     ** for more information.
     **
     ** Further information about Qt licensing is available at:
     ** http://www.trolltech.com/products/qt/licensing.html or by
     ** contacting info@trolltech.com.
     **
     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     **
     ****************************************************************************/

     /*
      *  sha1.h
      *
      *      Copyright (C) 1998
      *      Paul E. Jones <paulej@arid.us>
      *      All Rights Reserved
      *
      *****************************************************************************
      *      $Id: sha1.h,v 1.2 2004/03/27 18:00:33 paulej Exp $
      *****************************************************************************
      *
      *  Description:
      *      This class implements the Secure Hashing Standard as defined
      *      in FIPS PUB 180-1 published April 17, 1995.
      *
      *      Many of the variable names in the SHA1Context, especially the
      *      single character names, were used because those were the names
      *      used in the publication.
      *
      *      Please read the file sha1.c for more information.
      *
      */

     #ifndef _SHA1_H_
     #define _SHA1_H_

     /*
      *  This structure will hold context information for the hashing
      *  operation
      */
     typedef struct SHA1Context
     {
         unsigned Message_Digest[5]; /* Message Digest (output)          */

         unsigned Length_Low;        /* Message length in bits           */
         unsigned Length_High;       /* Message length in bits           */

         unsigned char Message_Block[64]; /* 512-bit message blocks      */
         int Message_Block_Index;    /* Index into message block array   */

         int Computed;               /* Is the digest computed?          */
         int Corrupted;              /* Is the message digest corruped?  */
     } SHA1Context;

     /*
      *  Function Prototypes
      */
     void SHA1Reset(SHA1Context *);
     int SHA1Result(SHA1Context *);
     void SHA1Input( SHA1Context *,
                     const unsigned char *,
                     unsigned);

     #endif