+++ /dev/null
-/*
- * Copyright (c) 2000-2004,2011,2014 Apple Inc. All Rights Reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-
-//
-// devrandom - RNG operations based on /dev/random
-//
-#include <security_utilities/devrandom.h>
-#include <security_utilities/logging.h>
-#include <CommonCrypto/CommonRandomSPI.h>
-
-using namespace UnixPlusPlus;
-
-
-namespace Security {
-
-
-//
-// The common (shared) open file descriptor to /dev/random
-//
-ModuleNexus<DevRandomGenerator::Writable> DevRandomGenerator::mWriter;
-
-
-//
-// In the current implementation, opening the file descriptor is deferred.
-//
-DevRandomGenerator::DevRandomGenerator(bool writable)
-{
-}
-
-
-//
-// Standard generate (directly from /dev/random)
-//
-void DevRandomGenerator::random(void *data, size_t length)
-{
- if (CCRandomCopyBytes(kCCRandomDefault, data, length)) {
- Syslog::error("DevRandomGenerator: failed to generate random");
- UnixError::throwMe(EIO);
- }
-}
-
-
-//
-// If you opened for writing, you add entropy to the global pool here
-//
-void DevRandomGenerator::addEntropy(const void *data, size_t length)
-{
- if (mWriter().write(data, length) != length)
- UnixError::throwMe(EIO); // short write (shouldn't happen)
-}
-
-
-} // end namespace Security