Communication device, communication method and computer program
US10671717B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2016 |
| Grant date | Jun 2, 2020 |
| Priority date | — |
| Expiry date | Jan 7, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3268
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A communication device includes: a first subscriber identification unit that stores first subscriber identification unit identification information associated with user identification information; and a communication unit that communicates with another communication device, the other communication device including a second subscriber identification unit that stores second subscriber identification unit identification information associated with user identification information. The first subscriber identification unit includes: a key memory unit that records a pair of a public key certificate and a secret key, the pair being shared with the second subscriber identification unit; a public key certificate generation unit that generates, using the secret key recorded in the key memory unit, a “first public key certificate comprising the first subscriber identification unit identification information or the user identification information associated with the first subscriber identification unit identification information”; and a secret key memory unit that records a secret key paired with the first public key certificate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.