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Simplify Windows Entropy_TimeHiRes, which just needs a precision timer to differentiate, not specific time.

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This commit is contained in:
David Garske
2023-07-13 14:30:58 -07:00
parent 761a976d0c
commit 4862b57415
1 changed files with 3 additions and 12 deletions
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15
wolfcrypt/src/random.c
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@@ -988,22 +988,13 @@ static void Entropy_StopThread(void)
/* Get the high resolution time counter. /* Get the high resolution time counter.
* *
* @return 64-bit time that is the nanoseconds of current time. * @return 64-bit timer
*/ */
static WC_INLINE word64 Entropy_TimeHiRes(void) static WC_INLINE word64 Entropy_TimeHiRes(void)
{ {
static int init = 0; LARGE_INTEGER count;
static LARGE_INTEGER freq;
LARGE_INTEGER count;
if (!init) {
QueryPerformanceFrequency(&freq);
init = 1;
}
QueryPerformanceCounter(&count); QueryPerformanceCounter(&count);
return (word64)(count.QuadPart);
return (word64)(count.QuadPart / (freq.QuadPart / 1000 / 1000));
} }
#else #else