System, apparatus and method for configurable trusted input/output access from authorized software
US11630904B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2021 |
| Grant date | Apr 18, 2023 |
| Priority date | — |
| Expiry date | Jul 16, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3247
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In one embodiment, an apparatus includes a channel filter and a security processor. The security processor is to: receive a plurality of device access control policies from a protected non-volatile storage of a platform; determine whether the plurality of device access control policies are verified; program the channel filter with a plurality of filter entries each associated with one of the plurality of device access control policies based on the determination; and remove a security attribute of the security processor from a policy register of the channel filter, to lock the channel filter for a boot cycle of the platform. Other embodiments are described and claimed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.