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Method, system and terminal apparatus for enabling content to be reproduced in multiple terminals

  • US 20070037555A1
  • Filed: 05/15/2006
  • Published: 02/15/2007
  • Est. Priority Date: 08/12/2005
  • Status: Active Grant
First Claim
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1. A method for reproducing equal content in at least one terminal by generally authenticating a service provider, a terminal and a User Identity Module (UIM), the method comprising the steps of:

  • performing, by the terminal and the UIM, mutual authentication through the service provider, thereby acquiring an encryption key shared between the terminal and the UIM;

    after the authentication, performing by the UIM registration to the service provider through the terminal;

    if the registration is completed, transferring by the UIM a service join request message to the service provider through the terminal, thereby joining a service; and

    if encrypted content is transferred from the terminal to the service provider after joining the service, decrypting and reproducing the encrypted content utilizing the shared encryption key.

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