Hybrid computer security clock
US7539890B2 · kind B2 · utility
5Cited by
55References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 25, 2006 |
| Grant date | May 26, 2009 |
| Priority date | — |
| Expiry date | Nov 15, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/14
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A clock object is provides, which includes a clock time and a monotonic time that are readable by the electronic device. The monotonic time is incremented every read of the monotonic time from the clock object. The clock object can also include an indication of a level of trust of the clock time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.