The rapid growth of the Internet and digitized content made video distribution simpler. In recent years, as video technologies have been broadly used in TV, communications and multimedia, video security has been gaining in importance. Hence the need for video security is on the rise. The clasical techniques for data security are not appropiate for the current multimedia usage. As a result, we need to develop new security protocols or adapt the available security protocols to be applicable for securing the multimedia applications. Our scheme is a secure and efficient video encryption scheme,...