Protection of DIP has always been a concern, and there has never been a perfect solution. To manage the rights of the DIP and to avoid digital piracy, we need a system that prevents unauthorized access to digital content and manages content usage rights. DRM is still at the nascent state, so, there are very limited number of DRM based solutions available in the market. Current DRM researches remain confined within the areas like music services and E-book publishing. There is no DRM based solution in E-commerce transaction system for protecting DIP transacted over the Internet. Thus, in...