Patent ID: 7448086

Claim:
A recording apparatus for recording data on a memory medium comprising a plurality of data areas for recording content data, a plurality of lead-in areas, and a plurality of lead-out areas, the recording apparatus comprising: an input terminal for inputting encrypted content data; and an optical pickup for, recording first encrypted content data into a first data area on said memory medium, recording a first part of a first decrypting key for decrypting said first encrypted content data and a first part of first copyright management information for restricting reproduction/copy of said first encrypted content data into a first lead-in area on an inner rim side of said first data area, recording a second part of the first decrypting key and a second part of the first copyright management information into a first lead-out area on an outer rim side of said first data area, recording second encrypted content data into a second data area on said memory medium, recording a first part of a second decrypting key for decrypting said second encrypted content data and a first part of second copyright management information for restricting reproduction/copy of said second encrypted content data into a first lead-in area on an inner rim side of said second data area, and recording a second part of the second decrypting key and a second part of the second copyright management information into a first lead-out area on an outer rim side of said second data area; wherein the data areas are positioned relative to one another on said memory medium in a radial direction.