+++ /dev/null
-/*
- * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
- *
- * The contents of this file constitute Original Code as defined in and are
- * subject to the Apple Public Source License Version 1.2 (the 'License').
- * You may not use this file except in compliance with the License. Please obtain
- * a copy of the License at http://www.apple.com/publicsource and read it before
- * using this file.
- *
- * This 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.
- */
-
-
-//
-// devrandom - RNG operations based on /dev/random
-//
-#include <Security/devrandom.h>
-#include <Security/logging.h>
-
-using namespace UnixPlusPlus;
-
-
-namespace Security {
-
-
-//
-// The common (shared) open file descriptor to /dev/random
-//
-ModuleNexus<DevRandomGenerator::Readonly> DevRandomGenerator::mReader;
-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)
-{
- try {
- size_t bytesRead = mReader().read(data, length);
- if (bytesRead != length) { // short read (shouldn't happen)
- Syslog::error("DevRandomGenerator: wanted %ld got %ld bytes",
- length, bytesRead);
- UnixError::throwMe(EIO);
- }
- } catch(const UnixError &uerr) {
- Syslog::error("DevRandomGenerator: error %d reading /dev/random",
- uerr.error);
- throw;
- }
-}
-
-
-//
-// 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