Patent · US Expired

SIM card to mobile device interface protection method and system

US7054613B2 · kind B2 · utility

25Cited by
12References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 2, 2003
Grant dateMay 30, 2006
Priority date
Expiry dateMar 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.