Changes between Version 6 and Version 7 of windows/windows7

Timestamp:

Apr 19, 2012, 4:14:19 PM (13 years ago)

Author:

joergs

Comment:

--

windows/windows7

@@ -100 +100 @@
 "LastLoggedOnUser"=""
 }}}
+
+== Bitlocker ==
+
+Festplattenverschlüsselung, in Windows 7 integriert.
+
+uses TPM.
+
+No Passwort is required to boot the system (eg. passwords are read from TPM).
+
+However, in case changes are made to the BIOS or boot files, the system requires a recovery key.
+
+see http://www.msxfaq.de/verschiedenes/bitlocker.htm
+
+=== Command-line tools ===
+
+{{{
+manage-bde -status
+# get password information
+manage-bde -protectors -get c:
+# write recovery password to drive d:
+manage-bde -protectors -add c: -RecoveryPassword d:
+
+# activate
+#
+# The batch file should enable the TMP chip (and set the password):
+manage-bde –tpm –TurnOn –TakeOwnerShip <password> 
+
+manage-bde –tpm –TurnOn
+# %ERRORLEVEL%
+# 0 success
+# -1: already on
+# -2147217406: TPM not detected
+# reboot?
+
+manage-bde –on c: -rp > e:\bitlocker.txt
+
+# password: 8x6 digits, divisible by 11, less than 720896
+manage-bde –protectors c: -add -rp "110000-000066-..."
+
+# BitLocker Drive Preparation Tool
+BdeHdCfg.exe
+}}}
+
+Bitlocker for Windows 7 requires TPM. There are workarounds to use it without TPM, but then the key is stored on an USB-Drive, and the system requires that this USB-Drive is inserted on every boot.