Patent · US Active

Using network authentication to counter subscriber identity module card man-in-the-middle subsidy lock attack

US8412270B2 · kind B2 · utility

0Cited by

12References

13Claims

0Family size

Assignee

Motorola Mobility LLC · US

Inventors

Kent Rager · Grayslake, US
Joel Voss · Elkhorn, US

Key dates

Filing date	Aug 8, 2008
Grant date	Apr 2, 2013
Priority date	—
Expiry date	Jan 19, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH04W88/02
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method, telecommunication apparatus, and electronic device for securely using a subscriber identity module are disclosed. A secure memory 308 may store a secure international mobile subscriber identity. A subscriber identity module interface 312 may receive an unlocking international mobile subscriber identity. A processor 304 may erase a cache temporary mobile subscriber identity if the unlocking international mobile subscriber identity does not match the secure international mobile subscriber identity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.