Trusted Platform Module (TPM)
Quick Reference Guide
System builders/integrators should give this Guide to the
system owners to assist them in enabling and activating
the Trusted Platform Module.
Warning of Potential Data Loss ...................................... 3
Trusted Platform Module (TPM)...................................... 4
System Requirements ..................................................... 4
Security Precautions ....................................................... 4
Password Procedures........................................................................... 5
Emergency Recovery File Back Up Procedures .................................5
Hard Drive Image Backup Procedures................................................6
Clear Text Backup (Optional).............................................................6
Trusted Platform Module Ownership ............................. 6
Trusted Platform Module Software Installation............. 6
Enabling the Trusted Platform Module .......................... 7
Assuming Trusted Platform Module Ownership ........... 7
Recovery Procedures ...................................................... 8
How to Recover from a Hard Drive Failure........................................ 8
How to Recover from a Desktop Board or TPM Failure.....................8
Clearing Trusted Platform Module Ownership .............. 9
Support Links.................................................................. 10
D15174-001
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2 Trusted Platform Module Quick Reference
Warning of Potential Data Loss
IMPORTANT USER INFORMATION. READ AND FOLLOW THESE
INSTRUCTIONS PRIOR TO TRUSTED PLATFORM MODULE
INITIALIZATION.
System integrators, owners, and end users must take precautions to mitigate the
chance of data loss. Data encrypted by any program utilizing the Trusted
Platform Module (TPM) may become inaccessible or unrecoverable if any of
the following occurs:
• Lost Password: Loss of any of the passwords associated with the TPM
will render encrypted data inaccessible. No password recovery is
available. Read the Security Precautions for Password Procedures.
•
Hard Drive Failure: In the event of a hard disk (or other storage media)
failure that contains encrypted data, an image of the hard disk (or other
storage media) must be restored from backup before access to encrypted
data may become available. The owner/user should backup the system
hard disk on a regular basis. Read the Security Precautions below for
Hard Drive Backup Procedures.
•
Platform Failure: In the event of a platform failure and/or replacement of
the desktop board, recovery procedures may allow migratable keys to be
recovered and may restore access to encrypted data. All non-migratable
keys and their associated data will be lost. Both the Wave Systems*
EMBASSY* Security Center and Wave Systems EMBASSY Trust Suite
utilize migratable keys. Please check any other software that accesses the
TPM for migratability. Read the Security Precautions for Emergency
Recovery File Back Up Procedures.
•
Loss of Trusted Platform Module Ownership: Trusted Platform
Module Ownership/contents may be cleared (via a BIOS switch) to allow
for the transfer of a system to a new owner. If TPM ownership is cleared,
either intentionally or in error, recovery procedures may allow the
migratable keys to be recovered and may restore access to encrypted data.
Read the Security Precautions for Emergency Recovery File Back Up
Procedures.
Trusted Platform Module Quick Reference 3
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