Apparatus and method for protecting diagnostic ports of secure devices
US7822995B2 · kind B2 · utility
5Cited by
9References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2005 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | May 14, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2143
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An electronic system comprises a processor, a diagnostic port, and a switching circuit, including a switch connected between the diagnostic port and the processor, for enabling and disabling the diagnostic port and for restricting access to contents of the electronic system prior to enabling the diagnostic port. A method for operating the electronic system is also included.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.