/* * 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 // #ifndef _H_DEVRANDOM #define _H_DEVRANDOM #include <Security/utilities.h> #include <Security/unix++.h> #include <Security/globalizer.h> namespace Security { // // This RNG uses /dev/random. // It is not repeatable. AddEntropy() contributes random entropy to a global pool (only). // class DevRandomGenerator { public: DevRandomGenerator(bool writable = false); void random(void *data, size_t length); void addEntropy(const void *data, size_t length); private: static ModuleNexus<UnixPlusPlus::FileDesc> mDevRandom; }; }; // end namespace Security #endif //_H_DEVRANDOM