Randomizer.h

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//  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;
};