mirror of
git://git.gnupg.org/gnupg.git
synced 2024-11-10 21:38:50 +01:00
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
|
/* 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*/
|