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:
May. 27, 2014
Filed:
Jan. 10, 2008
Eckhard Delfs, Nuremberg, DE;
Gerard David Jennings, Munich, DE;
Eckhard Delfs, Nuremberg, DE;
Gerard David Jennings, Munich, DE;
Intel Mobile Communications GmbH, Neubiberg, DE;
Abstract
A data processing system including a memory configured to store confidential data and non-confidential data; a cache memory which is configured to cache data stored in the memory and which comprises a first cache memory region and a second cache memory region; a processing circuit configured to carry out, in a first state of the data processing system, a cryptographic algorithm which operates on the confidential data and on the non-confidential data, wherein the confidential data are cached using the first cache memory region and the non-confidential data are cached using the second cache memory region; and an invalidating circuit configured to invalidate the first cache memory region when the data processing system switches from the first state into a second state.