Network system and method for operating network system
US8566587B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | May 30, 2006 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Jul 3, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L61/5014
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A control network system connected with a node having a unique identifier includes a KDC4B for distributing a first key to the node for cryptographic communication, a PS4B for supplying a function name and a second key corresponding to the unique identifier to the node by the cryptographic communication using the first key, and a PS for supplying the node with setting information used for the cryptographic communication using the second key in response to a request using the function name.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.