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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2019-02-07 15:24:56 +0100 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2019-02-08 01:50:03 +0100 |
| commit | e5b9cee8681dc45340321f759079b344a3b2676c (patch) | |
| tree | 7e4875ccf109ebd2d2a858ec0368f2d9d46e2a5a /src/Common/Random.c | |
| parent | 6bb1f24ed571bccd4d1d247dafdc1dda6eaa3d8d (diff) | |
| download | VeraCrypt-e5b9cee8681dc45340321f759079b344a3b2676c.tar.gz VeraCrypt-e5b9cee8681dc45340321f759079b344a3b2676c.zip | |
Windows: Add option to enable use of CPU RDRAND/RDSEED as source of entropy which is now disabled by default
Diffstat (limited to 'src/Common/Random.c')
| -rw-r--r-- | src/Common/Random.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/Common/Random.c b/src/Common/Random.c index 12e9d9af..c8655b56 100644 --- a/src/Common/Random.c +++ b/src/Common/Random.c @@ -777,9 +777,10 @@ BOOL SlowPoll (void) } // use RDSEED or RDRAND from CPU as source of entropy if present - if ( (HasRDSEED() && RDSEED_getBytes (buffer, sizeof (buffer))) + if ( IsCpuRngEnabled() && + ( (HasRDSEED() && RDSEED_getBytes (buffer, sizeof (buffer))) || (HasRDRAND() && RDRAND_getBytes (buffer, sizeof (buffer))) - ) + )) { RandaddBuf (buffer, sizeof (buffer)); } @@ -907,10 +908,11 @@ BOOL FastPoll (void) return FALSE; } - // use RDSEED or RDRAND from CPU as source of entropy if present - if ( (HasRDSEED() && RDSEED_getBytes (buffer, sizeof (buffer))) + // use RDSEED or RDRAND from CPU as source of entropy if enabled + if ( IsCpuRngEnabled() && + ( (HasRDSEED() && RDSEED_getBytes (buffer, sizeof (buffer))) || (HasRDRAND() && RDRAND_getBytes (buffer, sizeof (buffer))) - ) + )) { RandaddBuf (buffer, sizeof (buffer)); } |