Hardware enforced content protection for graphics processing units
US8931108B2 · kind B2 · utility
6Cited by
7References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 18, 2013 |
| Grant date | Jan 6, 2015 |
| Priority date | — |
| Expiry date | Feb 18, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F12/1081
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A graphics processing unit (GPU) is configured to access a first memory unit according to one of an unsecure mode and a secure mode. The GPU may include a memory access controller configured to allow the GPU to read data from only an unsecure portion of the first memory unit when the GPU is in the unsecure mode, and configured to allow the GPU to write data only to a secure portion of the first memory unit when the GPU is in the secure mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.