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Windows Driver: Erase sensitive boot memory before throwing fatal exception

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This commit is contained in:
Mounir IDRASSI
2016-09-24 23:26:39 +02:00
parent 194b641ebd
commit 183cbc087a
1 changed files with 9 additions and 0 deletions
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9
src/Driver/DriveFilter.c
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@@ -424,7 +424,16 @@ static NTSTATUS MountDrive (DriveFilterExtension *Extension, Password *password,
Extension->Queue.CryptoInfo->EncryptedAreaStart.Value = BootArgs.DecoySystemPartitionStart;
if (Extension->Queue.CryptoInfo->VolumeSize.Value > hiddenPartitionOffset - BootArgs.DecoySystemPartitionStart)
{
// Erase boot loader scheduled keys
if (mappedCryptoInfo)
{
burn (mappedCryptoInfo, BootArgs.CryptoInfoLength);
MmUnmapIoSpace (mappedCryptoInfo, BootArgs.CryptoInfoLength);
BootArgs.CryptoInfoLength = 0;
}
TC_THROW_FATAL_EXCEPTION;
}
Dump ("RemappedAreaOffset = %I64d\n", Extension->Queue.RemappedAreaOffset);
Dump ("RemappedAreaDataUnitOffset = %I64d\n", Extension->Queue.RemappedAreaDataUnitOffset);