Computing device that securely runs authorized software
US8332652B2 · kind B2 · utility
15Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2003 |
| Grant date | Dec 11, 2012 |
| Priority date | — |
| Expiry date | Feb 22, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/60
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computing device for securely executing authorized code includes a protected memory for storing authorized code, which contains an original digital signature, and a processor in signal communication with the protected memory for preparing to execute code from the protected memory by verifying that a digital signature contained in the code is original in accordance with a public key, and if the original digital signature is verified, then branching to a copy of the authorized code in the protected memory to begin execution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.