Security management unit, host controller interface including same, method operating host controller interface, and devices including host controller interface
US9135459B2 · kind B2 · utility
3Cited by
7References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 4, 2013 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Dec 3, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/78
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of operating a host controller interface includes receiving a buffer descriptor including sector information from a main memory, fetching data by using a source address included in the buffer descriptor, selecting one of a plurality of entries included in a security policy table by using the sector information, and determining whether to encrypt the fetched data by using a security policy included in the selected entry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.