VeraCrypt
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authorMounir IDRASSI <mounir.idrassi@idrix.fr>2017-05-23 12:31:46 +0200
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2017-05-25 01:15:18 +0200
commit0e15c65b3e6b67643799917f342df04d0473bb05 (patch)
tree342a35f47cf7d91d1e2e3e4f0cc15cb68f617504 /src
parentf50bf2cf614a4386bc76874a65326077d9827753 (diff)
downloadVeraCrypt-0e15c65b3e6b67643799917f342df04d0473bb05.tar.gz
VeraCrypt-0e15c65b3e6b67643799917f342df04d0473bb05.zip
Windows Driver: correct value of number of cylinders by adding 1 since our virtual partition starts at Extension->BytesPerSector and not 0.
Diffstat (limited to 'src')
-rw-r--r--src/Driver/Ntvol.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/Driver/Ntvol.c b/src/Driver/Ntvol.c
index 8be0393a..1c242408 100644
--- a/src/Driver/Ntvol.c
+++ b/src/Driver/Ntvol.c
@@ -704,7 +704,8 @@ NTSTATUS TCOpenVolume (PDEVICE_OBJECT DeviceObject,
Extension->TracksPerCylinder = 1;
Extension->SectorsPerTrack = 1;
Extension->BytesPerSector = Extension->cryptoInfo->SectorSize;
- Extension->NumberOfCylinders = Extension->DiskLength / Extension->BytesPerSector;
+ // Add extra sector since our virtual partition starts at Extension->BytesPerSector and not 0
+ Extension->NumberOfCylinders = (Extension->DiskLength / Extension->BytesPerSector) + 1;
Extension->PartitionType = 0;
Extension->bRawDevice = bRawDevice;