Communication system, cryptographic key distribution method, management communication apparatus, and communication apparatus
US11882119B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2019 |
| Grant date | Jan 23, 2024 |
| Priority date | — |
| Expiry date | Dec 18, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/062
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The communication system is a communication system including a management communication apparatus, a first communication apparatus, and a second communication apparatus. The first communication apparatus is capable of communicating using a plurality of Internet Protocol (IP) addresses in different versions from each other, and includes a first communication unit configured to notify the management communication apparatus of a first IP address among the plurality of IP addresses in a first authentication process for entering the communication system, and to notify the management communication apparatus of a second IP address among the plurality of IP addresses after the first authentication process, the first authentication process being performed between the first communication apparatus and the management communication apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.