INFORMATION PROCESSOR, INFORMATION PROCESSING METHOD, AND INFORMATION RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To provide an information processor which can perform harmony between protection of copyright for digital information and utilization of the digital information by a third person. SOLUTION: In an information processor processing information of a data stream inputted and having the copy regulation information, the device has a data deterioration processing means 14 (32) performing data deterioration processing of the data stream in accordance with the copy regulation information. As the device has the data deterioration processing means performing the data deterioration processing of the data stream in accordance with the copy regulation information of the data stream, the information processing device which can perform harmony between protection for copyright for the digital information and utilization of the digital information by a third person can be obtained.