Portable computer system with hierarchical and token-based security policies
US7111321B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1999 |
| Grant date | Sep 19, 2006 |
| Priority date | — |
| Expiry date | Jan 25, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/34
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer system including a processor, an access token communicator capable of being coupled to the processor and adapted to read an access token, an input device coupled to the processor that is able to receive verification data that confirms authorized access of the access token, and software executable on the processor that includes instructions to control access to the processor and including code to access the access token and the verification data, code to verify the validity of the access token using the verification data, code to set security policies in the processor, and code to control access to resources in the processor based on the security policies. In addition, a method for reading an access token, verifying the validity of the access token, setting security policies in a computer system, and unlocking a computer system and a nonvolatile storage device attached to the computer system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.