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Add support for MemUse Entropy on Windows. #6612

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Merged
SparkiDev merged 2 commits into from
Jul 14, 2023
Merged

Add support for MemUse Entropy on Windows. #6612

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761a976
Add support for MemUse Entropy on Windows.
dgarske Jul 13, 2023
4862b57
Simplify Windows `Entropy_TimeHiRes`, which just needs a precision ti…
dgarske Jul 13, 2023
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16 changes: 15 additions & 1 deletion wolfcrypt/src/random.c
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Original file line number Diff line number Diff line change
Expand Up @@ -983,6 +983,20 @@ static void Entropy_StopThread(void)
}
}
/* end if defined(HAVE_PTHREAD) */

#elif defined(_WIN32) /* USE_WINDOWS_API */

/* Get the high resolution time counter.
*
* @return 64-bit timer
*/
static WC_INLINE word64 Entropy_TimeHiRes(void)
{
LARGE_INTEGER count;
QueryPerformanceCounter(&count);
return (word64)(count.QuadPart);
}

#else

#error "No high precision time available for MemUse Entropy."
Expand Down Expand Up @@ -1283,7 +1297,7 @@ static int Entropy_HealthTest_Proportion(byte noise)
}
else {
/* Get first value in queue - value to test. */
byte val = prop_samples[prop_first];
byte val = (byte)prop_samples[prop_first];
/* Store new sample in queue. */
prop_samples[prop_last] = noise;
/* Update first index now that we have removed in from the queue. */
Expand Down