A Keyed Media Clause Samples

A Keyed Media. Fingerprint is a value that is unique to each DVD Disc Title and is generated by concatenating the 40-bit Title Key (“Kt”) used with the Video Title Set associated with the largest .IFO file on the DVD Disc Title (padded with leading zeros) using a bitwise OR operation to the optionally included Disc Key (“Kd”) shifted 40 bits, combining the result with the 160-bit DVD Fingerprint (“Fd”) using a logical “exclusive or” (“XOR”) operation. The Keyed Media Fingerprint (“Fk”) is represented in the expression below: (Note: The Content Provider or Content Distributor must indicate whether or not the Secure Media Recording Server requests the Disc Key from the Secure Media Recording