1/* random.h - random functions
2 *	Copyright (C) 1998, 2002, 2006 Free Software Foundation, Inc.
3 *
4 * This file is part of Libgcrypt.
5 *
6 * Libgcrypt is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU Lesser General Public License as
8 * published by the Free Software Foundation; either version 2.1 of
9 * the License, or (at your option) any later version.
10 *
11 * Libgcrypt is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
19 */
20#ifndef G10_RANDOM_H
21#define G10_RANDOM_H
22
23#include "types.h"
24
25/*-- random.c --*/
26void _gcry_register_random_progress (void (*cb)(void *,const char*,int,int,int),
27                                     void *cb_data );
28
29void _gcry_random_initialize (int full);
30void _gcry_random_dump_stats(void);
31void _gcry_secure_random_alloc(void);
32void _gcry_enable_quick_random_gen (void);
33int  _gcry_random_is_faked(void);
34void _gcry_set_random_daemon_socket (const char *socketname);
35int  _gcry_use_random_daemon (int onoff);
36void _gcry_set_random_seed_file (const char *name);
37void _gcry_update_random_seed_file (void);
38
39byte *_gcry_get_random_bits( size_t nbits, int level, int secure );
40void _gcry_fast_random_poll( void );
41
42gcry_err_code_t _gcry_random_init_external_test (void **r_context,
43                                                 unsigned int flags,
44                                                 const void *key,
45                                                 size_t keylen,
46                                                 const void *seed,
47                                                 size_t seedlen,
48                                                 const void *dt,
49                                                 size_t dtlen);
50gcry_err_code_t _gcry_random_run_external_test (void *context,
51                                                char *buffer, size_t buflen);
52void            _gcry_random_deinit_external_test (void *context);
53
54
55/*-- rndegd.c --*/
56gpg_error_t _gcry_rndegd_set_socket_name (const char *name);
57
58/*-- random-daemon.c (only used from random.c) --*/
59#ifdef USE_RANDOM_DAEMON
60void _gcry_daemon_initialize_basics (void);
61int _gcry_daemon_randomize (const char *socketname,
62                            void *buffer, size_t length,
63                            enum gcry_random_level level);
64int _gcry_daemon_create_nonce (const char *socketname,
65                               void *buffer, size_t length);
66#endif /*USE_RANDOM_DAEMON*/
67
68#endif /*G10_RANDOM_H*/
69