Cryptographic identification of false base stations
US12120518B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2021 |
| Grant date | Oct 15, 2024 |
| Priority date | — |
| Expiry date | Apr 28, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/73
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Methods and systems for detecting false base stations are provided. A computing device transmits a request for a verification message to a base station. An encrypted verification message comprising a base station identifier and a signature encrypted using an encryption key associated with the base station is received by the computing device. The computing device decrypts the signature included in the encrypted verification message utilizing a decryption key associated with the computer system. Based on the decrypted signature, the computing device determines that the encryption key does not correspond to the decryption key. Based on determining that the encryption key does not correspond to the decryption key, the computing device stores the base station identifier in a data store in association with a false base station indicator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.