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Method and Apparatus for Hiding Information in Communication protocol

  • US 20080256353A1
  • Filed: 08/15/2007
  • Published: 10/16/2008
  • Est. Priority Date: 04/16/2007
  • Status: Abandoned Application
First Claim
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1. A method for hiding information in a communication protocol signal, comprising:

  • receiving a first communication protocol signal conforming to a Session Initiation Protocol (SIP);

    obtaining a communication data in the first communication protocol signal, the communication data comprising a plurality of predefined bit locations for hiding secret information;

    performing an encoding operation on a secret information and the communication data, the encoding operation including extracting partial bit data from the communication data and generating an encoded information by performing an encryption on the secret information;

    replacing the communication data comprising the plurality of predefined bit locations for hiding secret information with the communication data containing the encoded information to generate a second communication protocol signal; and

    transmitting the second communication protocol signal.

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