--- truecrypt/boot/windows/bootcommon.h	2018/04/24 17:09:39	1.1.1.8
+++ truecrypt/boot/windows/bootcommon.h	2018/04/24 17:13:39	1.1.1.10
@@ -32,7 +32,7 @@
 #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;