--- truecrypt/boot/windows/bootcommon.h	2018/04/24 17:07:33	1.1.1.7
+++ truecrypt/boot/windows/bootcommon.h	2018/04/24 17:13:39	1.1.1.10
@@ -1,7 +1,7 @@
 /*
  Copyright (c) 2008 TrueCrypt Developers Association. All rights reserved.
 
- Governed by the TrueCrypt License 2.8 the full text of which is contained in
+ Governed by the TrueCrypt License 3.0 the full text of which is contained in
  the file License.txt included in TrueCrypt binary and source code distribution
  packages.
 */
@@ -15,24 +15,24 @@
 // The user will be advised to upgrade the rescue disk if upgrading from the following or any previous version
 #define TC_RESCUE_DISK_UPGRADE_NOTICE_MAX_VERSION 0x060a
 
-#define TC_BOOT_LOADER_AREA_SIZE (TC_BOOT_LOADER_AREA_SECTOR_COUNT * SECTOR_SIZE)
+#define TC_BOOT_LOADER_AREA_SIZE (TC_BOOT_LOADER_AREA_SECTOR_COUNT * TC_SECTOR_SIZE_BIOS)
 
 #define TC_BOOT_VOLUME_HEADER_SECTOR (TC_BOOT_LOADER_AREA_SECTOR_COUNT - 1)
-#define TC_BOOT_VOLUME_HEADER_SECTOR_OFFSET (TC_BOOT_VOLUME_HEADER_SECTOR * SECTOR_SIZE)
+#define TC_BOOT_VOLUME_HEADER_SECTOR_OFFSET (TC_BOOT_VOLUME_HEADER_SECTOR * TC_SECTOR_SIZE_BIOS)
 
 #define TC_CD_BOOTSECTOR_OFFSET 0xd000
 #define TC_CD_BOOT_LOADER_SECTOR 26
 
 #define TC_ORIG_BOOT_LOADER_BACKUP_SECTOR TC_BOOT_LOADER_AREA_SECTOR_COUNT
-#define TC_ORIG_BOOT_LOADER_BACKUP_SECTOR_OFFSET (TC_ORIG_BOOT_LOADER_BACKUP_SECTOR * SECTOR_SIZE)
+#define TC_ORIG_BOOT_LOADER_BACKUP_SECTOR_OFFSET (TC_ORIG_BOOT_LOADER_BACKUP_SECTOR * TC_SECTOR_SIZE_BIOS)
 
 #define TC_BOOT_LOADER_BACKUP_RESCUE_DISK_SECTOR (TC_ORIG_BOOT_LOADER_BACKUP_SECTOR + TC_BOOT_LOADER_AREA_SECTOR_COUNT)
-#define TC_BOOT_LOADER_BACKUP_RESCUE_DISK_SECTOR_OFFSET (TC_BOOT_LOADER_BACKUP_RESCUE_DISK_SECTOR * SECTOR_SIZE)
+#define TC_BOOT_LOADER_BACKUP_RESCUE_DISK_SECTOR_OFFSET (TC_BOOT_LOADER_BACKUP_RESCUE_DISK_SECTOR * TC_SECTOR_SIZE_BIOS)
 
 #define TC_MBR_SECTOR 0
 #define TC_MAX_MBR_BOOT_CODE_SIZE 440
 
-#define TC_MAX_EXTRA_BOOT_PARTITION_SIZE (256UL * 1024UL * 1024UL)
+#define TC_MAX_EXTRA_BOOT_PARTITION_SIZE (512UL * 1024UL * 1024UL)
 
 
 #pragma pack (1)
@@ -58,6 +58,7 @@ typedef struct
 	uint64 HiddenSystemPartitionStart;
 	uint64 DecoySystemPartitionStart;
 	uint32 Flags;
+	uint32 BootDriveSignature;
 
 	uint32 BootArgumentsCrc32;