Information sharing system, computer, and information sharing method without using confidential information provided in advance
US10499219B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2017 |
| Grant date | Dec 3, 2019 |
| Priority date | — |
| Expiry date | Jan 24, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/63
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An information sharing system includes a server and an in-vehicle system. The server includes: a first storage part; a first key generation part configured to generate a first private key and a first public key, if keys can be exchanged with the in-vehicle system; and a signature generation part configured to generate a signature value of the first public key using a server private key. The in-vehicle system includes: a second storage part configured to store a public key certificate including a server public key; a signature verification part configured to verify the first public key and a signature value received from the server, using a public key certificate; and a second key generation part configured to generate a second private key and a second public key, if a combination of the first public key and the signature value is correct as a result of the verification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.