Subscription portability for wireless systems

Subscription portability for wireless systems

  • CN 1,331,874 A
  • Filed: 10/19/1999
  • Published: 01/16/2002
  • Est. Priority Date: 10/23/1998
  • Status: Abandoned Application
First Claim
Patent Images

1. one kinds of methods to wireless terminal registration wireless subscription is characterized in that described method comprises the following steps:

  • A) with user identifier) and password) be input to wireless terminal;

    B) at the wireless terminal place;

    I) generation public affairs/private key is right;

    Ii) use key to encrypt the PKI of wireless terminal, thereby form a SKE message according to security password exchange (SKE) agreement;

    WithIii) send described user identifier and a described SKE message to Home System;

    C) at described Home System place;

    I) generation public affairs/private key is right;

    Ii) determine password with user identifier;

    Iii),, thereby form the 2nd SKE message with the PKI of password encryption Home System according to the SKE agreement;

    Iv) described the 2nd SKE message is sent to described wireless terminal;

    V) use the PKI of the described wireless terminal of described password to decipher;

    WithVi) form session key with the private key of described Home System and the PKI of described wireless terminal;

    D) at described wireless terminal place;

    I) with the PKI of the described Home System of described password to decipher;

    WithIi) form session key with the private key of described wireless terminal and the PKI of described Home System;

    WithE) in described wireless terminal and described Home System, all or part virtual subscriber identity module (VUIM) is downloaded to wireless terminal from Home System with described session key.

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