diff options
Diffstat (limited to 'thirdparty/openssl/crypto/engine/eng_rdrand.c')
| -rw-r--r-- | thirdparty/openssl/crypto/engine/eng_rdrand.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/thirdparty/openssl/crypto/engine/eng_rdrand.c b/thirdparty/openssl/crypto/engine/eng_rdrand.c deleted file mode 100644 index 9316d6fe21..0000000000 --- a/thirdparty/openssl/crypto/engine/eng_rdrand.c +++ /dev/null @@ -1,149 +0,0 @@ -/* ==================================================================== - * Copyright (c) 2011 The OpenSSL Project. 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. - * ==================================================================== - */ - -#include <openssl/opensslconf.h> - -#include <stdio.h> -#include <string.h> -#include <openssl/engine.h> -#include <openssl/rand.h> -#include <openssl/err.h> - -#if (defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ - defined(__x86_64) || defined(__x86_64__) || \ - defined(_M_AMD64) || defined (_M_X64)) && defined(OPENSSL_CPUID_OBJ) - -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 rdrand_init(ENGINE *e) -{ - 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; - - 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(); - } -} -#else -void ENGINE_load_rdrand(void) -{ -} -#endif |