VeraCrypt
aboutsummaryrefslogtreecommitdiff
path: root/src/Common/Fat.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/Common/Fat.c')
-rw-r--r--src/Common/Fat.c36
1 files changed, 34 insertions, 2 deletions
diff --git a/src/Common/Fat.c b/src/Common/Fat.c
index b47e531..8d4cc7d 100644
--- a/src/Common/Fat.c
+++ b/src/Common/Fat.c
@@ -394,6 +394,8 @@ FormatFat (void* hwndDlgPtr, unsigned __int64 startSector, fatparams * ft, void
if(!quickFormat)
{
+ CRYPTO_INFO tmpCI;
+
if (!FlushFormatWriteBuffer (dev, write_buf, &write_buf_cnt, &nSecNo, cryptoInfo))
goto fail;
@@ -402,23 +404,41 @@ FormatFat (void* hwndDlgPtr, unsigned __int64 startSector, fatparams * ft, void
deniability of hidden volumes (and also reduces the amount of predictable plaintext
within the volume). */
+ VirtualLock (&tmpCI, sizeof (tmpCI));
+ memcpy (&tmpCI, cryptoInfo, sizeof (CRYPTO_INFO));
+ cryptoInfo = &tmpCI;
+
// Temporary master key
if (!RandgetBytes (hwndDlg, temporaryKey, EAGetKeySize (cryptoInfo->ea), FALSE))
+ {
+ burn (&tmpCI, sizeof (tmpCI));
+ VirtualUnlock (&tmpCI, sizeof (tmpCI));
goto fail;
+ }
// Temporary secondary key (XTS mode)
if (!RandgetBytes (hwndDlg, cryptoInfo->k2, sizeof cryptoInfo->k2, FALSE))
+ {
+ burn (&tmpCI, sizeof (tmpCI));
+ VirtualUnlock (&tmpCI, sizeof (tmpCI));
goto fail;
+ }
retVal = EAInit (cryptoInfo->ea, temporaryKey, cryptoInfo->ks);
if (retVal != ERR_SUCCESS)
{
+ TCfree (write_buf);
burn (temporaryKey, sizeof(temporaryKey));
+ burn (&tmpCI, sizeof (tmpCI));
+ VirtualUnlock (&tmpCI, sizeof (tmpCI));
return retVal;
}
if (!EAInitMode (cryptoInfo, cryptoInfo->k2))
{
+ TCfree (write_buf);
burn (temporaryKey, sizeof(temporaryKey));
+ burn (&tmpCI, sizeof (tmpCI));
+ VirtualUnlock (&tmpCI, sizeof (tmpCI));
return ERR_MODE_INIT_FAILED;
}
@@ -430,12 +450,24 @@ FormatFat (void* hwndDlgPtr, unsigned __int64 startSector, fatparams * ft, void
goto fail;
}
UpdateProgressBar (nSecNo * ft->sector_size);
+
+ if (!FlushFormatWriteBuffer (dev, write_buf, &write_buf_cnt, &nSecNo, cryptoInfo))
+ {
+ burn (&tmpCI, sizeof (tmpCI));
+ VirtualUnlock (&tmpCI, sizeof (tmpCI));
+ goto fail;
+ }
+
+ burn (&tmpCI, sizeof (tmpCI));
+ VirtualUnlock (&tmpCI, sizeof (tmpCI));
}
else
+ {
UpdateProgressBar ((uint64) ft->num_sectors * ft->sector_size);
- if (!FlushFormatWriteBuffer (dev, write_buf, &write_buf_cnt, &nSecNo, cryptoInfo))
- goto fail;
+ if (!FlushFormatWriteBuffer (dev, write_buf, &write_buf_cnt, &nSecNo, cryptoInfo))
+ goto fail;
+ }
TCfree (write_buf);
burn (temporaryKey, sizeof(temporaryKey));