The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 26, 2007
Filed:
Feb. 15, 2000
Graeme John Proudler, Bristol, GB;
David Chan, Monte Sereno, CA (US);
Graeme John Proudler, Bristol, GB;
David Chan, Monte Sereno, CA (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
A computing apparatus comprises a plurality of hardware modules () and a shared communication infrastructure () by which the modules can communicate with each other in the usual way. In order to increase the level of trust and security in the apparatus, a trusted hardware module () is also provided and is connected to the other modules by respective communication paths (), distinct from the communication infrastructure, by which each of those modules can communicate directly with the trusted module but cannot communicate directly with any other of the modules. The trusted module can therefore have secure communications, for example of 'unsafe' data, with each of the other modules without any of the remaining modules eavesdropping, and the trusted module can route unsafe data between any pair of the other modules, or decline to provide such routing, for example in dependence on policy stored in the trusted module.