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/* rand-internal.h - header to glue the random functions
* Copyright (C) 1998 Free Software Foundation, Inc.
*
* This file is part of GNUPG.
*
* GNUPG 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.
*
* GNUPG 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
*/
#ifndef G10_RAND_INTERNAL_H
#define G10_RAND_INTERNAL_H
/* For now we use the DUMMY random generator if we do not have
* the real random device */
#ifndef HAVE_DEV_RANDOM
#define USE_RAND_DUMMY 1
#undef USE_RAND_UNIX
#undef USE_RAND_W32
#endif
#include "random.h"
#define BLOCKLEN 64 /* hash this amount of bytes */
#define DIGESTLEN 20 /* into a digest of this length (rmd160) */
/* poolblocks is the number of digests which make up the pool
* and poolsize must be a multiple of the digest length
* to make the AND operations faster, the size should also be
* a multiple of ulong
*/
#define POOLBLOCKS 30
#define POOLSIZE (POOLBLOCKS*DIGESTLEN)
#if (POOLSIZE % SIZEOF_UNSIGNED_LONG)
#error Please make sure that poolsize is a multiple of ulong
#endif
#define POOLWORDS (POOLSIZE / SIZEOF_UNSIGNED_LONG)
void read_random_source( byte *buffer, size_t length, int level );
#endif /*G10_RAND_INTERNAL_H*/
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