USP supports Common Encryption (CENC) for MPEG-DASH. The hack can allow the researcher to decrypt content that is streamed and DRM protected. When a client needs to play an encrypted movie, it requests the DRM license server for the decryption key by providing that particular movie’s KeyID.
DRM technologies try to control the use, modification, and distribution of copyrighted works (such as software and multimedia content), as well as systems within devices that enforce.
