Fujitsu LIFEBOOK E556 - Advanced Security Features

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 8).
Enabling TPM
• Requirement: You have assigned a supervisor password (see "Security functions", Pag e 48).
► Call BIOS Setup and sele
ct the Security menu.
► Mark the TPM ( Security Chip) Setting field and press the Enter key.
► Select the "Security C
hip" "Enabled" entry to e nable the TPM

Once you have enabled the TPM by rebooting, the Clear Security Chip menu item appears.
If the TPM was already
in use, you can use Clear Security Chip to clear the holder in the
TPM. With Enabled,a
ll secret keys (e.g. S RK - Storage Root Keys, AIK - Attestation
IdentityKeysetc.
) generated by applications are deleted.
Take note that you c
an then no longer access the data you have
encrypted on the h
older-based keys!
► Select the Exit Sa
ving Changes option in the Exit menu.
► Press the Enter key and select Yes.

The notebook res
tarts and the TPM is switched on after the reboot.
Disabling TPM
• Requirement: You have assigned a supervisor password (see "Security functions", Pag e 48).
► Call BIOS Setup and select the Security menu.
► Mark the TPM ( Security Chip) Setting field and press the Enter key.
► Select the "Security Chip" " 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.
52 Fujitsu