METHOD AND SYSTEM FOR SECURELY TRANSMITTING AND RECEIVING MULTIMEDIA CONTENT

摘要

PURPOSE: A method for transceiving multimedia contents safely and a system thereof are provided to be unnecessary to scramble all bytes of video data by proceeding scramble and descramble steps only for I-frames. CONSTITUTION: A contents server creates multimedia contents to be transmitted(410). The multimedia contents are saved in a memory of a contents server. I-frames of the multimedia contents are identified(415). In order to scramble the identified I-frames, a scrambling technique is used(420). Key information of the scrambled multimedia contents and I-frames is transmitted(425).