Method for performing verification by using shared key, method for performing verification by using public key and private key, and apparatus
US11405780B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 9, 2020 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Jan 25, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/042
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and an apparatus for performing verification using a shared key are disclosed. The method includes: receiving, by a first network element, a registration request message from a second network element, where the registration request message includes a user identifier, first network identifier information, and second network identifier information, the second network identifier information is obtained by processing the first network identifier information by using a shared key, and the shared key is a key used between the first network element and the second network element; verifying, by the first network element, the registration request message by using the shared key; and sending, by the first network element, a registration response message to the second network element. When receiving a registration request from a visited network, a home network verifies the registration request message by using a shared key, to avoid a spoofing attack from the visited network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.