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. 01, 2025

Filed:

Mar. 25, 2021
Applicant:

Nagravision Sarl, Cheseaux-sur-Lausanne, CH;

Inventors:

Karine Villegas, Cheseaux-sur-Lausanne, CH;

Roan Hautier, Cheseaux-sur-Lausanne, CH;

Assignee:

Nagravision Sarl, Cheseaux-sur-Lausanne, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/55 (2013.01); G06F 21/64 (2013.01); G06F 21/79 (2013.01);
U.S. Cl.
CPC ...
G06F 21/556 (2013.01); G06F 21/64 (2013.01); G06F 21/79 (2013.01);
Abstract

A method if provided for securely processing digital information performed by a secure element having a secure processor. The method includes loading the digital information from an external memory into the secure element; segmenting the digital information into words of digital information (Wij,k), generating error-detection codes or error-correction codes from said words of digital information and associating said error-detection codes with the corresponding words; transferring the words of digital information and the associated error-detection codes or error-correction codes to the secure processor; and in the secure processor, verifying the words of digital information based on the associated error-detection codes or error-correction codes before processing the digital information contained in said words.


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