mirror of git://git.gnupg.org/gnupg.git
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/* rand-internal.h - header to glue the random functions
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* Copyright (C) 1998 Free Software Foundation, Inc.
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*
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* This file is part of GNUPG.
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*
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* GNUPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GNUPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifndef G10_RAND_INTERNAL_H
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#define G10_RAND_INTERNAL_H
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/* For now we use the DUMMY random generator if we do not have
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* the real random device */
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#ifndef HAVE_DEV_RANDOM
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#define USE_RAND_DUMMY 1
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#undef USE_RAND_UNIX
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#undef USE_RAND_W32
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#endif
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#include "random.h"
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#define BLOCKLEN 64 /* hash this amount of bytes */
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#define DIGESTLEN 20 /* into a digest of this length (rmd160) */
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/* poolblocks is the number of digests which make up the pool
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* and poolsize must be a multiple of the digest length
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* to make the AND operations faster, the size should also be
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* a multiple of ulong
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*/
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#define POOLBLOCKS 30
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#define POOLSIZE (POOLBLOCKS*DIGESTLEN)
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#if (POOLSIZE % SIZEOF_UNSIGNED_LONG)
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#error Please make sure that poolsize is a multiple of ulong
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#endif
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#define POOLWORDS (POOLSIZE / SIZEOF_UNSIGNED_LONG)
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void read_random_source( byte *buffer, size_t length, int level );
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#endif /*G10_RAND_INTERNAL_H*/
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