4 * Copyright (C) 2008 Stefan Walter
6 * This program 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.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
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
24 #include "gcr-internal.h"
26 #include "egg/egg-secure-memory.h"
31 log_handler (gpointer unused, int unknown, const gchar *msg, va_list va)
33 /* TODO: Figure out additional arguments */
34 g_logv ("gcrypt", G_LOG_LEVEL_MESSAGE, msg, va);
38 no_mem_handler (gpointer unused, size_t sz, unsigned int unknown)
40 /* TODO: Figure out additional arguments */
41 g_error ("couldn't allocate %lu bytes of memory",
42 (unsigned long int)sz);
47 fatal_handler (gpointer unused, int unknown, const gchar *msg)
49 /* TODO: Figure out additional arguments */
50 g_log ("gcrypt", G_LOG_LEVEL_ERROR, "%s", msg);
54 glib_thread_mutex_init (void **lock)
56 *lock = g_mutex_new ();
61 glib_thread_mutex_destroy (void **lock)
68 glib_thread_mutex_lock (void **lock)
75 glib_thread_mutex_unlock (void **lock)
77 g_mutex_unlock (*lock);
81 static struct gcry_thread_cbs glib_thread_cbs = {
82 GCRY_THREAD_OPTION_USER, NULL,
83 glib_thread_mutex_init, glib_thread_mutex_destroy,
84 glib_thread_mutex_lock, glib_thread_mutex_unlock,
85 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
89 _gcr_initialize (void)
91 static gsize gcrypt_initialized = FALSE;
94 if (g_once_init_enter (&gcrypt_initialized)) {
96 /* Only initialize libgcrypt if it hasn't already been initialized */
97 if (!gcry_control (GCRYCTL_INITIALIZATION_FINISHED_P)) {
98 gcry_control (GCRYCTL_SET_THREAD_CBS, &glib_thread_cbs);
99 gcry_check_version (LIBGCRYPT_VERSION);
100 gcry_set_log_handler (log_handler, NULL);
101 gcry_set_outofcore_handler (no_mem_handler, NULL);
102 gcry_set_fatalerror_handler (fatal_handler, NULL);
103 gcry_set_allocation_handler ((gcry_handler_alloc_t)g_malloc,
104 (gcry_handler_alloc_t)egg_secure_alloc,
106 (gcry_handler_realloc_t)egg_secure_realloc,
108 gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
111 gcry_create_nonce (&seed, sizeof (seed));
114 g_once_init_leave (&gcrypt_initialized, 1);