Communication apparatus, control method, and storage medium
US9843444B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 9, 2013 |
| Grant date | Dec 12, 2017 |
| Priority date | — |
| Expiry date | Oct 14, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/18
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Disclosed is a communication apparatus for executing processing for sharing an encryption key between itself and another party's communication apparatus, wherein the communication apparatus executes the processing, respectively at least one time, as an authenticating apparatus and an authenticated apparatus. The communication apparatus determines which encryption key of an encryption key provided by this communication apparatus and an encryption key provided by the other party's communication apparatus is the encryption key used in common by this communication apparatus and the other party's communication apparatus, and decides, in accordance with result of the determination, which of this communication apparatus and the other party's communication apparatus is to be made the authenticating apparatus first.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.