Online video is being increase dramatically, which has led up to the increasing risk of piracy therefore there are huge requirements to ensure the video content is used by legal users UniKey Video Protector intends to protect video/audio files like MPEG, AVI, WAV, RM and RMVB. It is an easy-to-use solution for software vendors who want to sell video data to customers while scared of illegal usage and distribution. Just a click, video vendors can easily encrypt video files and send to the end users. In order to play the encrypted file, the end users must insert the correct UniKey dongle to play encrypted files