SYSTEM AND METHOD FOR CONTROLLING A MOBILE TERMINAL USING A DIGITAL SIGNATURE

摘要

A MOBILE TERMINAL CONTROL SYSTEM USING A DIGITAL SIGNATURE. THE SYSTEM INCLUDING A SERVER (100) FOR PREPARING A COMMAND MESSAGE FOR A RELEVANT MOBILE TERMINAL ACCORDING TO MOBILE TERMINAL STATUS INFORMATION SET BY A USER, ADDING A DIGITAL SIGNATURE TO THE PREPARED COMMAND MESSAGE, AND TRANSMITTING THE RESULTANT MESSAGE.THE SYSTEM FURTHER INCLUDES A MOBILE TERMINAL (200) FOR AUTHENTICATING THE COMMAND MESSAGE TRANSMITTED FROM THE SERVER (100) AND PERFORMING OPERATIONS OF POWER-OFF, LOG-ON AND LOG-OFF OF THE MOBILE TERMINAL (200) ACCORDING TO THE AUTHENTICATED COMMAND MESSAGE. THE SERVER (100) PREPARES A COMMAND MESSAGE ACCORDING TO MOBILE TERMINAL STATUS INFORMATION SET BY A USER AND TRANSMITS THE PREPARED COMMAND MESSAGE TO A MOBILE TERMINAL (200) AND THE MOBILE TERMINAL (200) AUTHENTICATES THE TRANSMITTED COMMAND MESSAGE. THE MOBILE TERMINAL (200) CAN BE CONTROLLED ONLY THROUGH THE AUTHENTICATED MESSAGE.FIGURE 1