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manual abstract
Trusted Platform Module (TPM)
The Trusted Platform Module is a component on the desktop board that is
specifically designed to enhance platform security above-and-beyond the
capabilities of today’s software by providing a protected space for key
operations and other security critical tasks. Using both hardware and software,
the TPM protects encryption and signature keys at their most vulnerable
stages—operations when the keys are being used unencrypted in plain-text
form.
The TPM is specifically designed to shield unencrypted keys and platform
authentication information from software-based attacks.
System Requirements
•
Intel® Desktop Board D945GNT Executive Series, D945GTP Executive
Series, or D945GCZ Executive Series
•
Microsoft Windows* 2000 Professional (SP4) or Windows XP Professional
(SP2)
•
NTFS file system
•
Microsoft Internet Explorer 5.5 or later
•
Adobe* Acrobat* 5.0 or later (included on the Intel® Express Installer CD)
Security Precautions
Security, like any other aspect of computer maintenance, requires planning.
What is unique about security has to do with understanding who "friends" are
and who adversaries are. The TPM provides mechanisms to enable the
owner/user to protect their information from adversaries. To provide this
protection, the TPM effectively puts "locks" around the data. Just like physical
locks, if keys or combinations are lost, the assets (data) may be inaccessible not
only to adversaries, but also to the asset owner/user.
The TPM provides two classes of keys: migratable and non-migratable.
Migratable keys are designed to protect data that can be used (unencrypted) on
more than one platform. One advantage is allowing the key data to be
replicated (backed-up and restored) to another platform. This may be because
of user convenience (someone uses more than one platform, or the data needs to
be available to more than one person operating on different platforms). Another
advantage to this type of key is that it can be backed-up and restored from a
defective platform onto a new platform.
However, migratable keys may not be the appropriate level of protection needed
for the application when the user wants the data restricted to a single platform.
This requires a non-migratable key. Non-migratable keys carry with them a
usage deficit in that while the key may be backed-up and restored (protected
from hard disk failure) they are not protected against system or TPM failure.
4
Trusted Platform Module Quick Reference
...Other models in this manual:
Desktops - Intel® Desktop Board D945GNT (190.59 kb)
Desktops - Intel® Desktop Board D945GTP (190.59 kb)