Title:
ENTITY, GATEWAY DEVICE, INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, AND INFORMATION PROCESSING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/192992
Kind Code:
A1
Abstract:
The present technology relates to an entity, a gateway device, an information processing device, an information processing system, and an information processing method which can suppress damage to the privacy of a user. The entity comprises: a first recording unit in which a secret key, a private key, and a public key are recorded; and a generation unit which generates a data ID from data, and calculates a nonce from the data and the secret key, wherein the generation unit generates an entity-derived ID on the basis of an entity ID and a nonce calculated from the public key, and generates a certificate including a proof message, which includes the data ID and the entity-derived ID, and a signature for the proof message due to a derived private key generated from the nonce and the private key. The gateway device comprises a second recording unit in which the secret key is recorded, and a first control unit which calculates a nonce from the secret key and the certificate or the data. The information processing device comprises a second control unit which verifies the signature of the certificate from the certificate and the nonce. The present technology can be applied to an information processing system.
Inventors:
IGARASHI TATSUYA (JP)
Application Number:
PCT/JP2021/009144
Publication Date:
September 30, 2021
Filing Date:
March 09, 2021
Export Citation:
Assignee:
SONY GROUP CORP (JP)
International Classes:
H04L9/32; G06F21/44; G06F21/64
Domestic Patent References:
| WO2019040963A1 | 2019-03-07 | |||
| WO2020170685A1 | 2020-08-27 |
Foreign References:
| JP2018117287A | 2018-07-26 |
Attorney, Agent or Firm:
NISHIKAWA Takashi et al. (JP)
Download PDF:
Previous Patent: INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM
Next Patent: WIRING MEMBER
Next Patent: WIRING MEMBER