Method, system and device for generating group key
US8280059B2 · kind B2 · utility
3Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2009 |
| Grant date | Oct 2, 2012 |
| Priority date | — |
| Expiry date | Nov 18, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/0833
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for generating a group key are provided in the field of network communications. The method includes the following steps: Group members select DH secret values and generate DH public values. An organizer generates an intermediate message and broadcasts a DH public value and the intermediate message. The group members generate a group key according to a DH secret value selected by the organizer and DH public values of the other group members except the organizer. A system for generating a group key and communication devices are also disclosed in the present invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.