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:
Mar. 26, 2024

Filed:

Jan. 21, 2020
Applicant:

Sony Group Corporation, Tokyo, JP;

Inventor:

Tatsuya Igarashi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0825 (2013.01); H04L 9/0838 (2013.01); H04L 9/3236 (2013.01); H04L 9/3247 (2013.01);
Abstract

There is provided an information processing apparatus including a key generating section that generates a public key and a private key of second data generated on the basis of at least one or more pieces of first data; a certificate generating section that generates a certificate by using a private key of the first data to give an electronic signature to the public key of the second data or an ID that is generated by using the public key of the second data and can identify the public key of the second data, and to the second data or data generated from the second data; and a trace data processing section that adds, to the second data, the private key of the second data and trace data to be used for tracing a relation between the first data and the second data. The trace data includes the certificate generated by the certificate generating section and trace data added to the first data.


Find Patent Forward Citations

Loading…