diff options
Diffstat (limited to 'deps/openssl/openssl/crypto/engine/eng_rdrand.c')
| -rw-r--r-- | deps/openssl/openssl/crypto/engine/eng_rdrand.c | 25 |
1 files changed, 6 insertions, 19 deletions
diff --git a/deps/openssl/openssl/crypto/engine/eng_rdrand.c b/deps/openssl/openssl/crypto/engine/eng_rdrand.c index b3defcbe4f..261e5debbf 100644 --- a/deps/openssl/openssl/crypto/engine/eng_rdrand.c +++ b/deps/openssl/openssl/crypto/engine/eng_rdrand.c @@ -1,5 +1,5 @@ /* - * Copyright 2011-2016 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 2011-2018 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy @@ -11,7 +11,7 @@ #include <stdio.h> #include <string.h> -#include <internal/engine.h> +#include "internal/engine.h" #include <openssl/rand.h> #include <openssl/err.h> #include <openssl/crypto.h> @@ -20,28 +20,15 @@ defined(__x86_64) || defined(__x86_64__) || \ defined(_M_AMD64) || defined (_M_X64)) && defined(OPENSSL_CPUID_OBJ) -size_t OPENSSL_ia32_rdrand(void); +size_t OPENSSL_ia32_rdrand_bytes(unsigned char *buf, size_t len); 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); + if (num < 0) { + return 0; } - return 1; + return (size_t)num == OPENSSL_ia32_rdrand_bytes(buf, (size_t)num); } static int random_status(void) |