Fujitsu LIFEBOOK U939 - Trusted Platform Module - TPM (Device Dependent)

Security functions
Trusted Platform Module - TPM (device dependent)
TPMTrusted PlatformModul e
To use the TPM, you must enable the TPM in the BIOS Setup before the software
is installed. The condition for this is that you have assigned at least the supervisor
password (see "
Secur ity functions", Page 4 5).
For how to call up and operate t he B IOS Setup Utility, s ee Section "
Settings
in BIOS Setup Utility", Page 59.
Enabling TPM
• Requirement: You have assigned a supervisor password (see "Security functions", Page 4 5).
► Call BIOS Setup and sel
ect the Security menu.
► Mark the TPM (Security Chip) Setting field and press the Enter key.
► Select the "Security
Chip" "Enabled" entry to enable the TPM

Once you have enabled the TPM by rebooting, the Clear Security Chip menu item appears.
If the TPM was alrea
dy in use, you c an use Clear Security Chip to clear the holder in the
TPM. With Enabled,
all secret keys (e.g. SRK - St orage Root Keys, AIK - Attestation
IdentityKeysetc
.) generated by applications are deleted.
Take note that you
can then no longer access the data you have
encrypted on the
holder-based keys!
► Select the Exit S
aving Changes option in the Exit men u.
► Press the Enter key and select Yes.

The notebook r
estarts and the TPM is switched on after the reboot.
Disabling TPM
• Requirement: You have assigned a supervisor password (see "Security functions", Page 4 5).
► Call BIOS Setup and select the Security menu.
► Mark the TPM (Security Chip) Setting field and press the Enter key.
► Select the "S ecurity Ch ip " "Disab led " entry to deactivate the TPM.
► From the Exit menu, choose the option Exit Saving Changes.
► Press the Enter key and select Yes.

The notebook will now reboot w ith TPM deactivated.
50 Fujitsu