/*
crypto.c -- Cryptographic miscellaneous functions and initialisation
- Copyright (C) 2007 Guus Sliepen <guus@tinc-vpn.org>
+ Copyright (C) 2007-2013 Guus Sliepen <guus@tinc-vpn.org>
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
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include "system.h"
+#include "../system.h"
#include <openssl/rand.h>
#include <openssl/evp.h>
#include <openssl/engine.h>
-#include "crypto.h"
+#include "../crypto.h"
-void crypto_init() {
- RAND_load_file("/dev/urandom", 1024);
+void crypto_init(void) {
+ RAND_load_file("/dev/urandom", 1024);
- ENGINE_load_builtin_engines();
- ENGINE_register_all_complete();
+ ENGINE_load_builtin_engines();
+ ENGINE_register_all_complete();
- OpenSSL_add_all_algorithms();
+ ERR_load_crypto_strings();
+ OpenSSL_add_all_algorithms();
+
+ if(!RAND_status()) {
+ fprintf(stderr, "Not enough entropy for the PRNG!\n");
+ abort();
+ }
}
-void crypto_exit() {
+void crypto_exit(void) {
EVP_cleanup();
}