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:
Dec. 11, 2012
Filed:
Jan. 02, 2008
Nigel Charles Paver, Austin, TX (US);
Stuart David Biles, Suffolk, GB;
Donald Felton, Cambridgeshire, GB;
Nigel Charles Paver, Austin, TX (US);
Stuart David Biles, Suffolk, GB;
Donald Felton, Cambridgeshire, GB;
ARM Limited, Cambridge, GB;
Abstract
A data processor for processing data in a secure mode having access to secure data that is not accessible to the data processor when processing data in the non-secure mode. A further processing device for performing a task in response to a request from the data processor issued from the non-secure mode. The further processing device including a secure data store not accessible to processes running on the data processor when in the non-secure mode. Prior to issuing requests, the data processor in the secure mode performs a set up operation on the further data processing device storing secure data in the secure data store. In response to receipt of the request from the data processor operating in the non-secure mode, the further data processing device performs the task using data stored in the secure data store to access any secure data required.