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Windows: Use Jitterentropy RNG only in SlowPoll call and not in FastPoll since the it consumes too much CPU and FastPoll requires fast and minimal entropy gathering

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This commit is contained in:
Mounir IDRASSI
2019-10-03 18:49:09 +02:00
parent be09fa8a53
commit 9f91c47bd2
1 changed files with 0 additions and 13 deletions
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13
src/Common/Random.c
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@@ -922,19 +922,6 @@ BOOL FastPoll (void)
return FALSE;
}
/* use JitterEntropy library to get good quality random bytes based on CPU timing jitter */
if (0 == jent_entropy_init ())
{
struct rand_data *ec = jent_entropy_collector_alloc (1, 0);
if (ec)
{
ssize_t rndLen = jent_read_entropy (ec, (char*) buffer, sizeof (buffer));
if (rndLen > 0)
RandaddBuf (buffer, (int) rndLen);
jent_entropy_collector_free (ec);
}
}
// use RDSEED or RDRAND from CPU as source of entropy if enabled
if ( IsCpuRngEnabled() &&
( (HasRDSEED() && RDSEED_getBytes (buffer, sizeof (buffer)))