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:
Jan. 30, 2018
Filed:
Aug. 22, 2013
Applicant:
Sony Corporation, Minato-ku, JP;
Inventors:
Yohei Kawamoto, Tokyo, JP;
Yu Tanaka, Tokyo, JP;
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/30 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3247 (2013.01); H04L 9/30 (2013.01); H04L 9/3234 (2013.01); H04L 9/3093 (2013.01); H04L 9/3218 (2013.01);
Abstract
An information processing system comprising interface circuitry configured to receive message-independent information, the message-independent information having been generated by another apparatus and transferred to the interface in advance of a digital signature being generated, send message-dependent information to an external device, and receive a digital signature from the external device; and processing circuitry configured to generate the message-dependent information from a message and at least a part of the message-independent information, and associate the digital signature with the message.