Patent ID: 8719528

Claim:
A system for controlling storage of primary data to a storage device, comprising: a processor coupleable to the storage device, wherein the processor is configured for: writing continuous blocks of said primary data to a recording medium of said storage device, said primary data comprising non-changing digital data, including one or more block gaps between said written continuous blocks of said primary data on said recording medium, and writing an additional data block comprising additional data in each block gap on said recording medium such that two continuous primary data blocks are separated by the additional data blocks, wherein: said additional data is stored separately from said primary data, said additional data is electronic watermarking data for identifying said recording positions of said primary data and for inhibiting illegally copied primary data from being read from the storage device or another device to which the primary data is copied, and said electronic watermarking data comprises each of a serial number of a device that is writing said additional data block, an identifier of a user that requested the writing of said primary data, and a password for releasing a read restriction of said primary data.