Method and apparatus for authentication of portable electronic devices

The disclosed information, the authentication key that is, the reservoir in a portable electronic device with wired / wireless connected to the mobile in a communication terminal transmitting receiving system serial number and moves from the portable electronic device, the communication device relates to the certification method and apparatus of a portable electronic device encrypts and generates the integration secrete key, when transmits the generated integration secrete key to the authentication center computer, the portable electronic device can be used in the authentication center computer, after performing the authentication registered by decoding the integration secrete key received from the mobile terminal temporary service authentication key, and moves by encrypting the temporary integration authentication key for approving the relay of the communication terminal and sent to the mobile communication terminal, the portable from the authentication center computer to transfer the mobile terminal received by decoding the temporary integration authentication key to accept the relay received from that before encrypting the temporary service authentication key to the electronic device And is then decodes the transmitted temporary service authentication key from the mobile communication terminal in a portable electronic device to authenticate to the service, the user temporary service authentication key to start the service to apply to the desired application. Accordingly, the present invention can enjoy the function of the original multimedia functions performed at the same time the mobile terminal to the electronic device at the same time, it is possible to prevent the illegal use of the counterfeit, and contributes to the formation and activation of the sound digital content market, prevent violations of negative external systems to provide the effect of increasing security. Authentication, electronic devices, portable multimedia devices, mobile communication terminal