Trusted manager bridge
US9379892B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 30, 2013 |
| Grant date | Jun 28, 2016 |
| Priority date | — |
| Expiry date | Oct 28, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3268
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system and method for securing processing devices includes a police bridge disposed in one or more data busses between a central processing and input/output peripherals, components or components. The police bridge is suitably disposed between northbridge logic and southbridge logic. Alternatively, or in addition to such placement, a police bridge is suitably place between southbridge logic and super I/O logic. A police bridge is suitably a system-on-chip or fixed or programmable hardware. The police bridge monitors or controls its associated bus to determine whether acceptable data, with an associated certificate in other embodiments, is being communicated and signaling is generated accordingly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.