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Windows: remove unused fields from CRYPTO_INFO structure

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This commit is contained in:
Mounir IDRASSI
2019-01-19 00:39:36 +01:00
parent 2046347775
commit 27b3fee02d
3 changed files with 4 additions and 11 deletions
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7
src/Common/Crypto.h
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@@ -245,18 +245,13 @@ typedef struct CRYPTO_INFO_t
#ifndef TC_WINDOWS_BOOT #ifndef TC_WINDOWS_BOOT
uint16 HeaderVersion; uint16 HeaderVersion;
GfCtx gf_ctx;
CRYPTOPP_ALIGN_DATA(16) unsigned __int8 master_keydata[MASTER_KEYDATA_SIZE]; /* This holds the volume header area containing concatenated master key(s) and secondary key(s) (XTS mode). For LRW (deprecated/legacy), it contains the tweak key before the master key(s). For CBC (deprecated/legacy), it contains the IV seed before the master key(s). */ CRYPTOPP_ALIGN_DATA(16) unsigned __int8 master_keydata[MASTER_KEYDATA_SIZE]; /* This holds the volume header area containing concatenated master key(s) and secondary key(s) (XTS mode). For LRW (deprecated/legacy), it contains the tweak key before the master key(s). For CBC (deprecated/legacy), it contains the IV seed before the master key(s). */
CRYPTOPP_ALIGN_DATA(16) unsigned __int8 k2[MASTER_KEYDATA_SIZE]; /* For XTS, this contains the secondary key (if cascade, multiple concatenated). For LRW (deprecated/legacy), it contains the tweak key. For CBC (deprecated/legacy), it contains the IV seed. */ CRYPTOPP_ALIGN_DATA(16) unsigned __int8 k2[MASTER_KEYDATA_SIZE]; /* For XTS, this contains the secondary key (if cascade, multiple concatenated). For LRW (deprecated/legacy), it contains the tweak key. For CBC (deprecated/legacy), it contains the IV seed. */
unsigned __int8 salt[PKCS5_SALT_SIZE];
int noIterations; int noIterations;
BOOL bTrueCryptMode; BOOL bTrueCryptMode;
int volumePim; int volumePim;
uint64 volume_creation_time; // Legacy
uint64 header_creation_time; // Legacy
BOOL bProtectHiddenVolume; // Indicates whether the volume contains a hidden volume to be protected against overwriting BOOL bProtectHiddenVolume; // Indicates whether the volume contains a hidden volume to be protected against overwriting
BOOL bHiddenVolProtectionAction; // TRUE if a write operation has been denied by the driver in order to prevent the hidden volume from being overwritten (set to FALSE upon volume mount). BOOL bHiddenVolProtectionAction; // TRUE if a write operation has been denied by the driver in order to prevent the hidden volume from being overwritten (set to FALSE upon volume mount).

5
src/Common/Volumes.c
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@@ -465,13 +465,13 @@ KeyReady: ;
// Header version // Header version
cryptoInfo->HeaderVersion = headerVersion; cryptoInfo->HeaderVersion = headerVersion;
#if 0
// Volume creation time (legacy) // Volume creation time (legacy)
cryptoInfo->volume_creation_time = GetHeaderField64 (header, TC_HEADER_OFFSET_VOLUME_CREATION_TIME).Value; cryptoInfo->volume_creation_time = GetHeaderField64 (header, TC_HEADER_OFFSET_VOLUME_CREATION_TIME).Value;
// Header creation time (legacy) // Header creation time (legacy)
cryptoInfo->header_creation_time = GetHeaderField64 (header, TC_HEADER_OFFSET_MODIFICATION_TIME).Value; cryptoInfo->header_creation_time = GetHeaderField64 (header, TC_HEADER_OFFSET_MODIFICATION_TIME).Value;
#endif
// Hidden volume size (if any) // Hidden volume size (if any)
cryptoInfo->hiddenVolumeSize = GetHeaderField64 (header, TC_HEADER_OFFSET_HIDDEN_VOLUME_SIZE).Value; cryptoInfo->hiddenVolumeSize = GetHeaderField64 (header, TC_HEADER_OFFSET_HIDDEN_VOLUME_SIZE).Value;
@@ -529,7 +529,6 @@ KeyReady: ;
memcpy (cryptoInfo->master_keydata, keyInfo.master_keydata, MASTER_KEYDATA_SIZE); memcpy (cryptoInfo->master_keydata, keyInfo.master_keydata, MASTER_KEYDATA_SIZE);
// PKCS #5 // PKCS #5
memcpy (cryptoInfo->salt, keyInfo.salt, PKCS5_SALT_SIZE);
cryptoInfo->pkcs5 = pkcs5_prf; cryptoInfo->pkcs5 = pkcs5_prf;
cryptoInfo->noIterations = keyInfo.noIterations; cryptoInfo->noIterations = keyInfo.noIterations;
cryptoInfo->bTrueCryptMode = truecryptMode; cryptoInfo->bTrueCryptMode = truecryptMode;

3
src/Driver/DriveFilter.c
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@@ -1135,8 +1135,7 @@ void ReopenBootVolumeHeader (PIRP irp, PIO_STACK_LOCATION irpSp)
{ {
Dump ("Header reopened\n"); Dump ("Header reopened\n");
ComputeBootLoaderFingerprint (BootDriveFilterExtension->LowerDeviceObject, header); ComputeBootLoaderFingerprint (BootDriveFilterExtension->LowerDeviceObject, header);
BootDriveFilterExtension->Queue.CryptoInfo->header_creation_time = BootDriveFilterExtension->HeaderCryptoInfo->header_creation_time;
BootDriveFilterExtension->Queue.CryptoInfo->pkcs5 = BootDriveFilterExtension->HeaderCryptoInfo->pkcs5; BootDriveFilterExtension->Queue.CryptoInfo->pkcs5 = BootDriveFilterExtension->HeaderCryptoInfo->pkcs5;
BootDriveFilterExtension->Queue.CryptoInfo->noIterations = BootDriveFilterExtension->HeaderCryptoInfo->noIterations; BootDriveFilterExtension->Queue.CryptoInfo->noIterations = BootDriveFilterExtension->HeaderCryptoInfo->noIterations;
BootDriveFilterExtension->Queue.CryptoInfo->volumePim = BootDriveFilterExtension->HeaderCryptoInfo->volumePim; BootDriveFilterExtension->Queue.CryptoInfo->volumePim = BootDriveFilterExtension->HeaderCryptoInfo->volumePim;