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Method and apparatus for performing video communication

  • US 8,391,484 B2
  • Filed: 11/27/2009
  • Issued: 03/05/2013
  • Est. Priority Date: 11/28/2008
  • Status: Expired due to Fees
First Claim
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1. A method for performing communication between a first terminal and a second terminal, the method comprising:

  • generating, by the first terminal, a first biographical (bio) key using bio information of a user;

    sending, by he first terminal, an INVITE request message for a video communication to the second terminal;

    receiving, by a first terminal, an INVITE response message in response to the INVITE request message from the second terminal for establishing a session between the first terminal and the second terminal;

    modifying, by the first terminal, the first bio key into a first modified bio key;

    sending, by the first terminal, the first modified bio key to the second terminal;

    receiving, by the first terminal, a second modified bio key from the second terminal;

    generating, by the first terminal, a session shared key using the first modified bio key and the second modified bio key;

    encrypting, by the first terminal, packet data using the session shared key; and

    sending, by the first terminal, the encrypted packet data to the second terminal.

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