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:
Aug. 08, 2023
Filed:
Mar. 09, 2020
Applicants:
Sony Group Corporation, Tokyo, JP;
Sony Pictures Entertainment Inc., Culver City, CA (US);
Inventor:
Eric Diehl, Culver City, CA (US);
Assignees:
Sony Group Corporation, Tokyo, JP;
Sony Pictures Entertainment Inc., Culver City, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/32 (2006.01); H04L 9/08 (2006.01); H04L 9/06 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3247 (2013.01); H04L 9/0662 (2013.01); H04L 9/0825 (2013.01); H04L 9/0869 (2013.01); H04L 9/0894 (2013.01);
Abstract
Signing data so that a signature can be verified by a verifier while preserving the privacy of a signer, the method including: generating a signature nonce; encrypting the signature nonce with a public key of the verifier to produce an encrypted signature nonce; and calculating a signature of the data of the signer by signing the data concatenated with the signature nonce using a private key of the signer.