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/* rand-internal.h - header to glue the random functions
* Copyright (C) 1998, 2002 Free Software Foundation, Inc.
*
* This file is part of Libgcrypt.
*
* Libgcrypt is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser general Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* Libgcrypt 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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
/* Constants used to define the origin of random added to the pool.
The code is sensitive to the order of the values. */
enum random_origins
{
RANDOM_ORIGIN_INIT = 0, /* Used only for initialization. */
RANDOM_ORIGIN_EXTERNAL = 1, /* Added from an external source. */
RANDOM_ORIGIN_FASTPOLL = 2, /* Fast random poll function. */
RANDOM_ORIGIN_SLOWPOLL = 3, /* Slow poll function. */
RANDOM_ORIGIN_EXTRAPOLL = 4 /* Used to mark an extra pool seed
due to a GCRY_VERY_STRONG_RANDOM
random request. */
};
void _gcry_random_progress (const char *what, int printchar,
int current, int total);
int _gcry_rndlinux_gather_random (void (*add) (const void *, size_t,
enum random_origins),
enum random_origins origin,
size_t length, int level);
int _gcry_rndunix_gather_random (void (*add) (const void *, size_t,
enum random_origins),
enum random_origins origin,
size_t length, int level);
int _gcry_rndegd_gather_random (void (*add) (const void *, size_t,
enum random_origins),
enum random_origins origin,
size_t length, int level);
int _gcry_rndegd_connect_socket (int nofail);
int _gcry_rndw32_gather_random (void (*add) (const void *, size_t,
enum random_origins),
enum random_origins origin,
size_t length, int level);
void _gcry_rndw32_gather_random_fast (void (*add)(const void*, size_t,
enum random_origins),
enum random_origins origin );
int _gcry_rndhw_failed_p (void);
void _gcry_rndhw_poll_fast (void (*add)(const void*, size_t,
enum random_origins),
enum random_origins origin);
size_t _gcry_rndhw_poll_slow (void (*add)(const void*, size_t,
enum random_origins),
enum random_origins origin);
#endif /*G10_RAND_INTERNAL_H*/
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