SIM card to mobile device interface protection method and system
US7054613B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 2, 2003 |
| Grant date | May 30, 2006 |
| Priority date | — |
| Expiry date | Mar 6, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/02
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Method and system for protecting an interface between a mobile device for a wireless telecommunications system and a smart card. A method according to the present invention comprises generating a first key in the mobile device and a second key in the smart card, generating a first authentication value in the mobile device using the first key and generating a second authentication value in the smart card using the second key, and comparing the generated first and second authentication values. Use of the mobile device and/or the smart card is enabled based on a result of the comparison.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.