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authorMounir IDRASSI <mounir.idrassi@idrix.fr>2016-04-20 00:30:28 +0200
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2016-04-20 00:48:20 +0200
commit1396269d573256248bece97e1e291ef0c08e513f (patch)
treee43c8e0a26d2d6ce0b84caa5200df585ab4d9a72 /src/Common/Volumes.c
parentbd9105794b1103e814e983e15e35ce139e6c2371 (diff)
downloadVeraCrypt-1396269d573256248bece97e1e291ef0c08e513f.tar.gz
VeraCrypt-1396269d573256248bece97e1e291ef0c08e513f.zip
Windows: Add option to avoid PIM prompt in pre-boot authentication by storing PIM value unencrypted in MBR.
Diffstat (limited to 'src/Common/Volumes.c')
-rw-r--r--src/Common/Volumes.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/Common/Volumes.c b/src/Common/Volumes.c
index d69ef753..955c7e48 100644
--- a/src/Common/Volumes.c
+++ b/src/Common/Volumes.c
@@ -590,6 +590,7 @@ void ComputeBootloaderFingerprint (byte *bootLoaderBuf, unsigned int bootLoaderS
{
// compute Whirlpool+SHA512 fingerprint of bootloader including MBR
// we skip user configuration fields:
+ // TC_BOOT_SECTOR_PIM_VALUE_OFFSET = 400
// TC_BOOT_SECTOR_OUTER_VOLUME_BAK_HEADER_CRC_OFFSET = 402
// => TC_BOOT_SECTOR_OUTER_VOLUME_BAK_HEADER_CRC_SIZE = 4
// TC_BOOT_SECTOR_USER_MESSAGE_OFFSET = 406
@@ -604,8 +605,8 @@ void ComputeBootloaderFingerprint (byte *bootLoaderBuf, unsigned int bootLoaderS
WHIRLPOOL_init (&whirlpool);
sha512_begin (&sha2);
- WHIRLPOOL_add (bootLoaderBuf, TC_BOOT_SECTOR_OUTER_VOLUME_BAK_HEADER_CRC_OFFSET * 8, &whirlpool);
- sha512_hash (bootLoaderBuf, TC_BOOT_SECTOR_OUTER_VOLUME_BAK_HEADER_CRC_OFFSET, &sha2);
+ WHIRLPOOL_add (bootLoaderBuf, TC_BOOT_SECTOR_PIM_VALUE_OFFSET * 8, &whirlpool);
+ sha512_hash (bootLoaderBuf, TC_BOOT_SECTOR_PIM_VALUE_OFFSET, &sha2);
WHIRLPOOL_add (bootLoaderBuf + TC_BOOT_SECTOR_USER_MESSAGE_OFFSET + TC_BOOT_SECTOR_USER_MESSAGE_MAX_LENGTH, (TC_BOOT_SECTOR_USER_CONFIG_OFFSET - (TC_BOOT_SECTOR_USER_MESSAGE_OFFSET + TC_BOOT_SECTOR_USER_MESSAGE_MAX_LENGTH)) * 8, &whirlpool);
sha512_hash (bootLoaderBuf + TC_BOOT_SECTOR_USER_MESSAGE_OFFSET + TC_BOOT_SECTOR_USER_MESSAGE_MAX_LENGTH, (TC_BOOT_SECTOR_USER_CONFIG_OFFSET - (TC_BOOT_SECTOR_USER_MESSAGE_OFFSET + TC_BOOT_SECTOR_USER_MESSAGE_MAX_LENGTH)), &sha2);