Patent ID: 8756709

Claim:
A data recording apparatus comprising: unsecure means for receiving first insecure input data and second insecure input data that includes first encrypted data and excludes a corresponding first encryption key; secured means for receiving secure input data that includes second encrypted data and a corresponding second encryption key; means for detecting additional information embedded only in the first insecure input data received via the unsecure means for receiving, the additional information including a number of copies authorized to be made of the first insecure input data received via the unsecure means for receiving, the means for detecting not receiving the secure input data; means for rewriting the additional information embedded in the first insecure input data, the means for rewriting decrementing reducing the number of copies authorized to be made of the first insecure input data included in the additional information; means for recording the first insecure input data to a storage medium; and means for controlling the means for recording and means for rewriting according to the detected additional information.