openssl/MacOS/Randomizer.h
Andy Polyakov 0ea3465576 MacOS pseudo-random entropy collector.
Submitted by: Yoram Meroz <yoram@mail.idrive.com>
Reviewed by: <appro>
2000-02-29 15:18:46 +00:00

44 lines
850 B
C++

// Gathers unpredictable system data to be used for generating
// random bits
#include <MacTypes.h>
class CRandomizer
{
public:
CRandomizer (void);
void PeriodicAction (void);
private:
// Private calls
void AddTimeSinceMachineStartup (void);
void AddAbsoluteSystemStartupTime (void);
void AddAppRunningTime (void);
void AddStartupVolumeInfo (void);
void AddFiller (void);
void AddCurrentMouse (void);
void AddNow (double millisecondUncertainty);
void AddBytes (void *data, long size, double entropy);
void GetTimeBaseResolution (void);
unsigned long SysTimer (void);
// System Info
bool mSupportsLargeVolumes;
bool mIsPowerPC;
bool mIs601;
// Time info
double mTimebaseTicksPerMillisec;
unsigned long mLastPeriodicTicks;
// Mouse info
long mSamplePeriod;
Point mLastMouse;
long mMouseStill;
};