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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, see <http://www.gnu.org/licenses/>.
*/
#ifndef G10_RAND_INTERNAL_H
#define G10_RAND_INTERNAL_H
#include "../src/cipher-proto.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. */
};
#define RANDOM_CONF_DISABLE_JENT 1
#define RANDOM_CONF_ONLY_URANDOM 2
/*-- random.c --*/
unsigned int _gcry_random_read_conf (void);
void _gcry_random_progress (const char *what, int printchar,
int current, int total);
/*-- random-csprng.c --*/
void _gcry_rngcsprng_initialize (int full);
void _gcry_rngcsprng_close_fds (void);
void _gcry_rngcsprng_dump_stats (void);
void _gcry_rngcsprng_secure_alloc (void);
void _gcry_rngcsprng_enable_quick_gen (void);
void _gcry_rngcsprng_set_daemon_socket (const char *socketname);
int _gcry_rngcsprng_use_daemon (int onoff);
int _gcry_rngcsprng_is_faked (void);
gcry_error_t _gcry_rngcsprng_add_bytes (const void *buf, size_t buflen,
int quality);
void *_gcry_rngcsprng_get_bytes (size_t nbytes,
enum gcry_random_level level);
void *_gcry_rngcsprng_get_bytes_secure (size_t nbytes,
enum gcry_random_level level);
void _gcry_rngcsprng_randomize (void *buffer, size_t length,
enum gcry_random_level level);
void _gcry_rngcsprng_set_seed_file (const char *name);
void _gcry_rngcsprng_update_seed_file (void);
void _gcry_rngcsprng_fast_poll (void);
/*-- random-drbg.c --*/
void _gcry_rngdrbg_inititialize (int full);
void _gcry_rngdrbg_close_fds (void);
void _gcry_rngdrbg_dump_stats (void);
int _gcry_rngdrbg_is_faked (void);
gcry_error_t _gcry_rngdrbg_add_bytes (const void *buf, size_t buflen,
int quality);
void _gcry_rngdrbg_randomize (void *buffer, size_t length,
enum gcry_random_level level);
gcry_error_t _gcry_rngdrbg_selftest (selftest_report_func_t report);
/*-- random-system.c --*/
void _gcry_rngsystem_initialize (int full);
void _gcry_rngsystem_close_fds (void);
void _gcry_rngsystem_dump_stats (void);
int _gcry_rngsystem_is_faked (void);
gcry_error_t _gcry_rngsystem_add_bytes (const void *buf, size_t buflen,
int quality);
void _gcry_rngsystem_randomize (void *buffer, size_t length,
enum gcry_random_level level);
/*-- rndlinux.c --*/
int _gcry_rndlinux_gather_random (void (*add) (const void *, size_t,
enum random_origins),
enum random_origins origin,
size_t length, int level);
/*-- rndunix.c --*/
int _gcry_rndunix_gather_random (void (*add) (const void *, size_t,
enum random_origins),
enum random_origins origin,
size_t length, int level);
/*-- rndegd.c --*/
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);
/*-- rndw32.c --*/
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 );
/*-- rndw32ce.c --*/
int _gcry_rndw32ce_gather_random (void (*add) (const void *, size_t,
enum random_origins),
enum random_origins origin,
size_t length, int level);
void _gcry_rndw32ce_gather_random_fast (void (*add)(const void*, size_t,
enum random_origins),
enum random_origins origin );
/*-- rndjent.c --*/
size_t _gcry_rndjent_poll (void (*add)(const void*,
size_t, enum random_origins),
enum random_origins origin,
size_t length);
void _gcry_rndjent_dump_stats (void);
/*-- rndhw.c --*/
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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