SIM card authentication system and method

摘要

A SIM card authentication system and a SIM card authentication method adapted for a mobile phone are disclosed. Once the mobile phone is lost, when a SIM card is inserted into the mobile phone, the SIM card authentication system controls the mobile phone to display the user interface, the user must input the right authentication phone number to use the mobile phone. If the user inputs a wrong authentication phone number, the user is illegal and cannot use the mobile phone, the system acquires the phone number of the inserted SIM card to notify a legal user. Therefore, the mobile phone protects and hides stored information from the user, and the legal user may get back the mobile phone according to information from the inserted SIM card.

主权项

1. A Subscriber Identification Module (SIM) card authentication system for a mobile phone, wherein the mobile phone comprises a display unit and stores an authentication phone number, the SIM card authentication system comprising:
an interface generating module to controls the display unit to display a user interface for authenticating a user of the mobile phone when a SIM card is inserted into the mobile phone and the mobile phone is powered on; a digit receiving module to receive a series of digits in the user interface in response to user input; a determining module to determine whether the series of digits is the same as the authentication phone number; and an output control module to turn off the mobile phone when the series of digits is different from the authentication phone number; wherein the SIM card authentication system further comprises at least one processor to execute the modules of the SIM card authentication system.