Construction of Lightweight Content key Distribution Framework for DRM systems

Digital content piracy has become a big challenge after the advancement in network and digital technologies. digital rights management (DRM) systems were introduced to regulate content distribution. Protocols are being designed to ensure secure and efficient communication in DRM systems. Both security and efficiency are important parameters and should travel together. During our analysis, we identified that much efficient content key delivery mechanism fails to achieve desired security parameters. Thus, it is required to work on efficient protocols design. We have worked on the design of the efficiency of the content delivery mechanism without diluting security. The proposed scheme presents an anonymous content key delivery mechanism. We analyze the security of the scheme. We verify the security against replay attacks and man-in-the-middle attacks using the formal verification simulation tool AVISPA, which indicates that the scheme is safe. The analysis of performance is done, which includes the computation cost at the user and server end. The comparative study of performance is also included to identify the improvement at efficiency side.