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US 2010/0169599 A1Published application
Security management in system with secure memory secrets
AssigneeIntel Corporation
InventorsMahesh Natu, Shamanna Datta
Life of this patent
Estimating the term…
Abstract
In some embodiments a Trusted Platform Module (TPM) manages a first flag that identifies whether a secure environment has ever been established. A chipset manages a second flag that identifies that there might have been secrets in memory and a reset or power failure occurred. At least one processor and/or the chipset lock, maintain a lock, and/or unlock a memory in response to the second flag. Other embodiments are described and claimed.
Claims23
An apparatus comprising:
- at least one processor;
- a Trusted Platform Module to manage a first flag that identifies whether a secure environment has ever been established;
- a chipset to manage a second flag that identifies that there might have been secrets in memory and a reset or power failure occurred;
- wherein the at least one processor and/or the chipset is/are to lock, to maintain a lock and/or to unlock a memory in response to the second flag.
1 more element
A method comprising:
- managing a first flag that identifies whether a secure environment has ever been established;
- managing a second flag that identifies that there might have been secrets in memory and a reset or power failure occurred;
- and
- locking, maintaining a lock, and/or unlocking a memory in response to the second flag.
1 more element
Dependencies are inferred from the claim text.