Security-222.tar.gz

[apple/security.git] / SecurityServer / entropy.h

diff --git a/SecurityServer/entropy.h b/SecurityServer/entropy.h
deleted file mode 100644 (file)
index 7f5e348..0000000
--- a/SecurityServer/entropy.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * 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.
- */
-
-
-//
-// yarrowseed - periodical to collect and seed entropy into /dev/random
-//
-#ifndef _H_ENTROPY
-#define _H_ENTROPY
-
-#include <Security/machserver.h>
-#include <Security/timeflow.h>
-#include <Security/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; // update file every hour
-    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