-/* ====================================================================
- * Copyright (c) 2011 The OpenSSL Project. All rights reserved.
+/*
+ * Copyright 2011-2016 The OpenSSL Project Authors. All Rights Reserved.
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <openssl/opensslconf.h>
#include <stdio.h>
#include <string.h>
-#include <openssl/engine.h>
+#include <internal/engine.h>
#include <openssl/rand.h>
#include <openssl/err.h>
+#include <openssl/crypto.h>
#if (defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
defined(__x86_64) || defined(__x86_64__) || \
size_t OPENSSL_ia32_rdrand(void);
-static int get_random_bytes (unsigned char *buf, int num)
- {
- size_t rnd;
-
- while (num>=(int)sizeof(size_t)) {
- if ((rnd = OPENSSL_ia32_rdrand()) == 0) return 0;
-
- *((size_t *)buf) = rnd;
- buf += sizeof(size_t);
- num -= sizeof(size_t);
- }
- if (num) {
- if ((rnd = OPENSSL_ia32_rdrand()) == 0) return 0;
-
- memcpy (buf,&rnd,num);
- }
-
- return 1;
- }
-
-static int random_status (void)
-{ return 1; }
-
-static RAND_METHOD rdrand_meth =
- {
- NULL, /* seed */
- get_random_bytes,
- NULL, /* cleanup */
- NULL, /* add */
- get_random_bytes,
- random_status,
- };
+static int get_random_bytes(unsigned char *buf, int num)
+{
+ size_t rnd;
+
+ while (num >= (int)sizeof(size_t)) {
+ if ((rnd = OPENSSL_ia32_rdrand()) == 0)
+ return 0;
+
+ *((size_t *)buf) = rnd;
+ buf += sizeof(size_t);
+ num -= sizeof(size_t);
+ }
+ if (num) {
+ if ((rnd = OPENSSL_ia32_rdrand()) == 0)
+ return 0;
+
+ memcpy(buf, &rnd, num);
+ }
+
+ return 1;
+}
+
+static int random_status(void)
+{
+ return 1;
+}
+
+static RAND_METHOD rdrand_meth = {
+ NULL, /* seed */
+ get_random_bytes,
+ NULL, /* cleanup */
+ NULL, /* add */
+ get_random_bytes,
+ random_status,
+};
static int rdrand_init(ENGINE *e)
-{ return 1; }
+{
+ return 1;
+}
static const char *engine_e_rdrand_id = "rdrand";
static const char *engine_e_rdrand_name = "Intel RDRAND engine";
static int bind_helper(ENGINE *e)
- {
- if (!ENGINE_set_id(e, engine_e_rdrand_id) ||
- !ENGINE_set_name(e, engine_e_rdrand_name) ||
- !ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL) ||
- !ENGINE_set_init_function(e, rdrand_init) ||
- !ENGINE_set_RAND(e, &rdrand_meth) )
- return 0;
+{
+ if (!ENGINE_set_id(e, engine_e_rdrand_id) ||
+ !ENGINE_set_name(e, engine_e_rdrand_name) ||
+ !ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL) ||
+ !ENGINE_set_init_function(e, rdrand_init) ||
+ !ENGINE_set_RAND(e, &rdrand_meth))
+ return 0;
- return 1;
- }
+ return 1;
+}
static ENGINE *ENGINE_rdrand(void)
- {
- ENGINE *ret = ENGINE_new();
- if(!ret)
- return NULL;
- if(!bind_helper(ret))
- {
- ENGINE_free(ret);
- return NULL;
- }
- return ret;
- }
-
-void ENGINE_load_rdrand (void)
- {
- extern unsigned int OPENSSL_ia32cap_P[];
-
- if (OPENSSL_ia32cap_P[1] & (1<<(62-32)))
- {
- ENGINE *toadd = ENGINE_rdrand();
- if(!toadd) return;
- ENGINE_add(toadd);
- ENGINE_free(toadd);
- ERR_clear_error();
- }
- }
+{
+ ENGINE *ret = ENGINE_new();
+ if (ret == NULL)
+ return NULL;
+ if (!bind_helper(ret)) {
+ ENGINE_free(ret);
+ return NULL;
+ }
+ return ret;
+}
+
+void engine_load_rdrand_int(void)
+{
+ extern unsigned int OPENSSL_ia32cap_P[];
+
+ if (OPENSSL_ia32cap_P[1] & (1 << (62 - 32))) {
+ ENGINE *toadd = ENGINE_rdrand();
+ if (!toadd)
+ return;
+ ENGINE_add(toadd);
+ ENGINE_free(toadd);
+ ERR_clear_error();
+ }
+}
#else
-void ENGINE_load_rdrand (void) {}
+void engine_load_rdrand_int(void)
+{
+}
#endif