INFORMATION PROCESSING APPARATUS

摘要

Management of copy right of a content to which identification information is not assigned. A Calculation block (206) calculates a hash value in accordance with a part of content data recorded on an MD (209) and transmits the hash value from an I/O block (201) to a personal computer. The personal computer identifies the content recorded on the MD (209) from the hash value and in accordance with this, manages check in and check out of the content. This invention can be applied to a personal computer.