diff options
| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2017-07-04 02:05:11 +0200 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2017-07-04 02:26:24 +0200 |
| commit | 89efcdb8cd95ea798187fe4062a73fa5d2fca456 (patch) | |
| tree | 5b87e340ffc7fb6ad8a8859750aa388487188f8f /src/Crypto/GostCipher.c | |
| parent | c2f6190627de27903264258c6ea8ee72199c0c81 (diff) | |
| download | VeraCrypt-89efcdb8cd95ea798187fe4062a73fa5d2fca456.tar.gz VeraCrypt-89efcdb8cd95ea798187fe4062a73fa5d2fca456.zip | |
Windows Driver: correctly save and restore extended processor state when performing AVX operations on Windows 7 and later. Enhance readability of code handling save/restore of floating point state.
Diffstat (limited to 'src/Crypto/GostCipher.c')
| -rw-r--r-- | src/Crypto/GostCipher.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/Crypto/GostCipher.c b/src/Crypto/GostCipher.c index 0fd3941a..ddd649cd 100644 --- a/src/Crypto/GostCipher.c +++ b/src/Crypto/GostCipher.c @@ -96,7 +96,7 @@ void gost_set_key(const byte *key, gost_kds *ks, int useDynamicSbox) byte sbox_seed[64]; #if defined (DEVICE_DRIVER) && !defined (_WIN64) KFLOATING_SAVE floatingPointState; - NTSTATUS saveStatus = STATUS_SUCCESS; + NTSTATUS saveStatus = STATUS_INVALID_PARAMETER; if (HasSSE2() || HasSSE41()) saveStatus = KeSaveFloatingPointState (&floatingPointState); #endif @@ -106,7 +106,7 @@ void gost_set_key(const byte *key, gost_kds *ks, int useDynamicSbox) STREEBOG_finalize(&sctx, sbox_seed); #if defined (DEVICE_DRIVER) && !defined (_WIN64) - if (NT_SUCCESS (saveStatus) && (HasSSE2() || HasSSE41())) + if (NT_SUCCESS (saveStatus)) KeRestoreFloatingPointState (&floatingPointState); #endif |