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author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2017-06-23 02:07:32 +0200 |
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committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2017-06-23 02:11:21 +0200 |
commit | 546d6cff4447a56bbf7c0e1a8b6f89dba5d3183b (patch) | |
tree | 7f8bfb3f7e7c6a0aab662fe6dec944cd6ee1a874 /src/Driver/DriveFilter.c | |
parent | ab7b5dc685eab3235dd748d8791cb39085ab0394 (diff) | |
download | VeraCrypt-546d6cff4447a56bbf7c0e1a8b6f89dba5d3183b.tar.gz VeraCrypt-546d6cff4447a56bbf7c0e1a8b6f89dba5d3183b.zip |
Crypto: Add optimized SHA-512 and SHA-256 assembly implementations for x86_64 and x86. This improves speed by 30%.
Diffstat (limited to 'src/Driver/DriveFilter.c')
-rw-r--r-- | src/Driver/DriveFilter.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/Driver/DriveFilter.c b/src/Driver/DriveFilter.c index 8195fe35..d46bd92e 100644 --- a/src/Driver/DriveFilter.c +++ b/src/Driver/DriveFilter.c @@ -330,7 +330,7 @@ static void ComputeBootLoaderFingerprint(PDEVICE_OBJECT LowerDeviceObject, byte* #if !defined (_WIN64) KFLOATING_SAVE floatingPointState; NTSTATUS saveStatus = STATUS_SUCCESS; - if (HasISSE()) + if (HasISSE()|| (HasSSE2() && HasMMX())) saveStatus = KeSaveFloatingPointState (&floatingPointState); #endif WHIRLPOOL_add (ioBuffer, TC_BOOT_SECTOR_PIM_VALUE_OFFSET, &whirlpool); @@ -368,7 +368,7 @@ static void ComputeBootLoaderFingerprint(PDEVICE_OBJECT LowerDeviceObject, byte* } #if !defined (_WIN64) - if (NT_SUCCESS (saveStatus) && HasISSE()) + if (NT_SUCCESS (saveStatus) && (HasISSE() || (HasSSE2() && HasMMX()))) KeRestoreFloatingPointState (&floatingPointState); #endif } |