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. 14, 2022
Filed:
Aug. 13, 2019
Applicant:
Nec Laboratories Europe Gmbh, Heidelberg, DE;
Inventors:
Claudio Soriente, Madrid, ES;
Antonio Faonio, Madrid, ES;
Dario Fiore, Madrid, ES;
Luca Nizzardo, Madrid, ES;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/53 (2013.01); G06F 21/60 (2013.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
G06F 21/53 (2013.01); G06F 21/602 (2013.01); H04L 9/0891 (2013.01); H04L 9/3213 (2013.01); H04L 9/3218 (2013.01);
Abstract
A computer-implemented method includes receiving an original message from a trusted execution environment. The original message includes an original digital signature authored by the trusted execution environment. The method includes computing a proof of knowledge for the original digital signature and modifying the original message by replacing the original digital signature with the proof of knowledge.