X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/1df5f87f1309a8daa30dabdee855f48ae40d14ab..6fe7ccc865dc7d7541b93c5bcaf6368d2c98a174:/wtf/OSRandomSource.cpp?ds=inline diff --git a/wtf/OSRandomSource.cpp b/wtf/OSRandomSource.cpp deleted file mode 100644 index 7d86f6f..0000000 --- a/wtf/OSRandomSource.cpp +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Copyright (C) 2011 Google Inc. 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. - * - * THIS SOFTWARE IS PROVIDED BY GOOGLE, INC. ``AS IS'' AND ANY - * EXPRESS 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 APPLE COMPUTER, INC. OR - * 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 "config.h" -#include "OSRandomSource.h" - -#include -#include - -#if OS(SYMBIAN) -#include -#endif - -#if OS(UNIX) -#include -#include -#endif - -#if OS(WINDOWS) -#include -#include // windows.h must be included before wincrypt.h. -#endif - -namespace WTF { - -#if USE(OS_RANDOMNESS) -void cryptographicallyRandomValuesFromOS(unsigned char* buffer, size_t length) -{ -#if OS(SYMBIAN) - TInt random; - while (length > sizeof(random)) { - random = Math::Random(); - memcpy(buffer, &random, sizeof(random)); - length -= sizeof(random); - buffer += sizeof(random); - } - if (length > 0) { - random = Math::Random(); - memcpy(buffer, &random, length); - } -#elif OS(UNIX) - int fd = open("/dev/urandom", O_RDONLY, 0); - if (fd < 0) - CRASH(); // We need /dev/urandom for this API to work... - - if (read(fd, buffer, length) != static_cast(length)) - CRASH(); - - close(fd); -#elif OS(WINDOWS) - HCRYPTPROV hCryptProv = 0; - if (!CryptAcquireContext(&hCryptProv, 0, MS_DEF_PROV, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) - CRASH(); - if (!CryptGenRandom(hCryptProv, length, buffer)) - CRASH(); - CryptReleaseContext(hCryptProv, 0); -#else - #error "This configuration doesn't have a strong source of randomness." - // WARNING: When adding new sources of OS randomness, the randomness must - // be of cryptographic quality! -#endif -} -#endif - -}