Designing of Energy Efficient Security Techniques for Multimedia Applications

In current scenario due to convenience and technological advancement more and more users and businesses use smart phones as effective communication tool to discuss their business plans/activities or to share personal matters/affairs. All users have the right to maintain their privacy and confidentiality of communication, while it is travelling over communication channels. To boost faith of users in technology enhanced communication tools security mechanisms were evolved to protect the information from unauthorized access. Since the 1990s a lot of research efforts have been made for the development of specific video encryption algorithm keeping in the view peculiar requirements of video services. This paper presents the overview of existing video encryption algorithms.