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/**
* Timestamp Functions Header File
* (C) 1999-2008 Jack Lloyd
*/
#ifndef BOTAN_TIMERS_H__
#define BOTAN_TIMERS_H__
#include <botan/rng.h>
namespace Botan {
/**
* Timer Interface
*/
class BOTAN_DLL Timer : public EntropySource
{
public:
virtual u64bit clock() const = 0;
u32bit slow_poll(byte[], u32bit);
u32bit fast_poll(byte[], u32bit);
virtual ~Timer() {}
protected:
static u64bit combine_timers(u32bit, u32bit, u32bit);
};
/**
* ANSI Clock Timer
*/
class BOTAN_DLL ANSI_Clock_Timer : public Timer
{
public:
std::string name() const { return "ANSI clock"; }
u64bit clock() const;
};
}
#endif
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