Authentication and key agreement in communication network
US10841784B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 24, 2015 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Jul 8, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W8/005
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for authentication and key agreement in a communication network is disclosed. In the method, a network node generates a common public key and a master secret key, assigns to a first user equipment a first set of one or more pseudonym identifications corresponding to a real identity of the first user equipment, the common public key and a first private key specific to the first user equipment, and assigns to a second user equipment a second set of one or more pseudonym identifications corresponding to a real identity of the second user equipment, the common public key and a second private key specific to the second user equipment. In response to a request for establishing a communication session between the first user equipment with a first pseudonym identification and the second user equipment with a second pseudonym identification, the network node generates a first intermediate key for the first user equipment based on the common public key and a second secret key shared between the second user equipment and the network node, and a second intermediate key for the second user equipment based on the common public key and a first secret key shared between the first user equ…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.