Attack protection for trusted platform modules
US8839353B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2012 |
| Grant date | Sep 16, 2014 |
| Priority date | — |
| Expiry date | Nov 9, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/57
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A trusted platform module stores information in a protected object having an associated policy. A program requesting access to the information is allowed to access the information if the policy is satisfied, and is denied access to the information if the policy is not satisfied. The trusted platform module uses one or more monotonic counters associated with the protected object to track attempts to access the information. If a threshold number of unsuccessful requests to access the information are received, then the trusted platform module locks the information to prevent the program from accessing the information for an indefinite amount of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.