Security-57740.51.3.tar.gz

[apple/security.git] / securityd / src / entropy.h

diff --git a/securityd/src/entropy.h b/securityd/src/entropy.h
deleted file mode 100644 (file)
index 3f8e0a1..0000000
--- a/securityd/src/entropy.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Copyright (c) 2000-2004,2006 Apple Computer, 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@
- */
-
-
-//
-// entropy - periodical to collect and seed entropy into /dev/random
-//
-#ifndef _H_ENTROPY
-#define _H_ENTROPY
-
-#include <security_utilities/machserver.h>
-#include <security_utilities/timeflow.h>
-#include <security_utilities/devrandom.h>
-
-using namespace Security;
-using MachPlusPlus::MachServer;
-
-
-//
-// A (one-off) timer object that manages system entropy
-//
-class EntropyManager : public MachServer::Timer, private DevRandomGenerator {
-    // all the parameters you ever (should) want to change :-)
-    static const int collectInterval = 600; // collect every 10 minutes
-    static const int updateInterval = 3600 * 6; // update file every 6 hours
-    static const int timingsToCollect = 40; // how many timings?
-
-public:
-       EntropyManager(MachPlusPlus::MachServer &srv, const char *entropyFile);
-               
-       void action();
-    
-       MachPlusPlus::MachServer        &server;                // to which we do setTimer()
-    
-private:
-    string mEntropyFilePath;                   // absolute path to entropy file
-    Time::Absolute mNextUpdate;                        // next time for entropy file update
-    
-    void collectEntropy();                             // collect system timings and seed RNG
-    void updateEntropyFile();                  // update entropy file from RNG if it's time
-    
-    static const size_t entropyFileSize = 20;  // bytes (effectively one SHA-1 worth)
-};
-
-#endif //_H_ENTROPY