Re-keying data in place
US8195956B2 · kind B2 · utility
4Cited by
9References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 17, 2009 |
| Grant date | Jun 5, 2012 |
| Priority date | — |
| Expiry date | Sep 2, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/0894
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system comprises an encryption engine and a host processor coupled to the encryption engine. The host processor determines when a time period has expired for a unit of data. Upon determining that the time period has expired, the host processor causes the encryption engine to re-key the unit of data in place.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.