Rewrote crypto library init/uninit. Added silc_crypto_init

[silc.git] / lib / silccrypt / silccrypto.c

diff --git a/lib/silccrypt/silccrypto.c b/lib/silccrypt/silccrypto.c
new file mode 100644 (file)
index 0000000..c4ac5de
--- /dev/null
+++ b/lib/silccrypt/silccrypto.c
@@ -0,0 +1,96 @@
+/*
+
+  silccrypto.c
+
+  Author: Pekka Riikonen <priikone@silcnet.org>
+
+  Copyright (C) 2007 Pekka Riikonen
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; version 2 of the License.
+
+  This program 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 General Public License for more details.
+
+*/
+
+#include "silc.h"
+
+#ifndef SILC_SYMBIAN
+SilcStack crypto_stack = NULL;         /* Crypto Toolkit's global stack */
+#endif /* SILC_SYMBIAN */
+
+/* Init crypto */
+
+SilcBool silc_crypto_init(SilcStack stack)
+{
+  SILC_LOG_DEBUG(("Initializing crypto"));
+
+#ifndef SILC_SYMBIAN
+  /* Stack allocation is allowed to fail */
+  crypto_stack = silc_stack_alloc(0, stack);
+#endif /* SILC_SYMBIAN */
+
+  /* Init crypto library */
+  if (!silc_cipher_register_default()) {
+    SILC_LOG_ERROR(("Error registering ciphers"));
+    goto err;
+  }
+  if (!silc_hash_register_default()) {
+    SILC_LOG_ERROR(("Error registering hash functions"));
+    goto err;
+  }
+  if (!silc_hmac_register_default()) {
+    SILC_LOG_ERROR(("Error registering hash HMACs"));
+    goto err;
+  }
+  if (!silc_pkcs_register_default()) {
+    SILC_LOG_ERROR(("Error registering hash PKCSs"));
+    goto err;
+  }
+
+#ifdef SILC_DIST_ACC
+  /* Initialize accelerator library */
+#endif /* SILC_DIST_ACC */
+
+  return TRUE;
+
+ err:
+  silc_crypto_uninit();
+  return FALSE;
+}
+
+/* Uninit crypto */
+
+void silc_crypto_uninit(void)
+{
+  SILC_LOG_DEBUG(("Uninitializing crypto"));
+
+#ifdef SILC_DIST_ACC
+  /* Uninit accelerator library */
+#endif /* SILC_DIST_ACC */
+
+  /* Uninit crypto library */
+  silc_pkcs_unregister_all();
+  silc_hmac_unregister_all();
+  silc_hash_unregister_all();
+  silc_cipher_unregister_all();
+
+#ifndef SILC_SYMBIAN
+  silc_stack_free(crypto_stack);
+#endif /* SILC_SYMBIAN */
+}
+
+/* Return stack */
+
+SilcStack silc_crypto_stack(void)
+{
+#ifndef SILC_SYMBIAN
+  return crypto_stack;
+#else
+  return NULL;
+#endif /* SILC_SYMBIAN */
+}