SECURITY SYSTEM AND METHOD OF KEYBOARD INPUT DATA

摘要

PURPOSE: A security system of keyboard input data and a method thereof are provided to accurately process a special key even though keyboard input data are inputted at high speed. CONSTITUTION: An encoding unit(223) successively encodes key down/ key up information. A decoding unit(241) decodes information encoded in a shared memory(230). A special control key state storage unit(242) sets a state of an API function according to the key down/key up information of the decoded special control key.