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.

Date of Patent:
Jul. 11, 2017

Filed:

Jun. 18, 2013
Applicants:

Florian Mayer, Munich, DE;

Frank Steinert, Rosenheim, DE;

Inventors:

Florian Mayer, Munich, DE;

Frank Steinert, Rosenheim, DE;

Assignee:

NXP USA, INC., Austin, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01); G06F 11/07 (2006.01); G06F 11/10 (2006.01);
U.S. Cl.
CPC ...
G06F 11/079 (2013.01); G06F 11/0751 (2013.01); G06F 11/1004 (2013.01);
Abstract

A method of operating a data processing system comprises: processing data words and switching between contexts; assigning a context signature Sig to any pair formed of a data word and a context; reading, within a current context, a data record from a memory unit, the data record comprising a payload data word and a protection signature; providing, as a verification signature, the context signature Sig of the payload data word and the current context; checking the verification signature against the protection signature; and generating an error signal if the verification signature differs from the protection signature.


Find Patent Forward Citations

Loading…