Source: ../../rtrmgr/randomness.hh
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// -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*-
// Copyright (c) 2001-2005 International Computer Science Institute
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software")
// to deal in the Software without restriction, subject to the conditions
// listed in the XORP LICENSE file. These conditions include: you must
// preserve this copyright notice, and you cannot mention the copyright
// holders in advertising related to the Software without their permission.
// The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
// notice is a summary of the XORP LICENSE file; the license in that file is
// legally binding.
// $XORP: xorp/rtrmgr/randomness.hh,v 1.7 2005/03/25 02:54:37 pavlin Exp $
#ifndef __RTRMGR_RANDOMNESS_HH__
#define __RTRMGR_RANDOMNESS_HH__
class RandomGen {
public:
RandomGen();
~RandomGen();
void get_random_bytes(size_t len, uint8_t* buf);
private:
bool read_file(const string& filename);
bool read_fd(FILE* file);
void add_buf_to_randomness(uint8_t* buf, size_t len);
static const size_t RAND_POOL_SIZE = 65536;
bool _random_exists;
bool _urandom_exists;
uint8_t* _random_data;
uint32_t _counter;
};
#endif // __RTRMGR_RANDOMNESS_HH__
Generated by: pavlin on possum.icir.org on Thu Mar 9 04:43:58 2006, using kdoc $.