SECURITY METHOD OF MOBILE COMMUNICATION TERMINAL PROGRAM BY USING SMART CARD

摘要

PURPOSE: A security method of a portable terminal program using a smart key is provided to improve the program security of a portable terminal by utilizing a smart card like a USIM(Universal Subscriber Identity Module) card. CONSTITUTION: A portable terminal(100) requests information in order to execute the program of the portable terminal(S201). A smart card(200) mounted on the portable terminal executes a subordination program(S203). When the subordination program is executed, the portable terminal executes the program. The smart card transmits a result created by executing the program to the portable terminal(S204). When the created result is transmitted to the portable terminal, the portable terminal executes the program(S205).