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:
Feb. 28, 2023
Filed:
May. 22, 2019
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Shinya Maruyama, Kanagawa, JP;
Atsushi Uchida, Tokyo, JP;
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H04L 9/14 (2006.01); H04L 9/00 (2022.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/14 (2013.01); H04L 9/008 (2013.01); H04L 9/0838 (2013.01); H04L 9/0894 (2013.01); H04L 9/3236 (2013.01);
Abstract
There is provided an information processing system including: a first apparatus () that divides a user key (UK) of a share-source user through a secret distribution process to generate a plurality of distribution keys (Sand S); a second apparatus () that sends a processing request to execute a predetermined process by using one of a plurality of the distribution keys generated by the first apparatus; and a third apparatus () that makes a determination based on one of a plurality of the distribution keys generated by the first apparatus and the processing request received from the second apparatus.