Title:
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2020/170685
Kind Code:
A1
Abstract:
Provided is an information processing device that comprises: a key generation unit that generates a public key and a private key for a second data generated on the basis of at least one first data; a certificate generation unit that generates a digitally signed certificate using the private key for the first data, said certificate either being for the public key for the second data or an ID that was generated using the public key for the second data and can identify the public key for the second data or being for the second data or data generated from the second data; trace data used in tracing the relationship between the first data and second data; and a trace data processing unit that adds the private key for the second data to the second data. The trace data includes a certificate generated by the certificate generation unit and trace data added to the first data.
Inventors:
IGARASHI TATSUYA (JP)
Application Number:
PCT/JP2020/001801
Publication Date:
August 27, 2020
Filing Date:
January 21, 2020
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
H04L9/08; G06F21/64; H04L9/32
Domestic Patent References:
| WO2018207424A1 | 2018-11-15 |
Foreign References:
| JP2008124668A | 2008-05-29 | |||
| JP2005210277A | 2005-08-04 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
Download PDF:
Previous Patent: HOME-DELIVERY MANAGEMENT METHOD AND HOME-DELIVERY SYSTEM
Next Patent: DELIVERY BOX AND INFORMATION PROCESSING METHOD
Next Patent: DELIVERY BOX AND INFORMATION PROCESSING METHOD