METHOD AND DEVICE FOR DATA MANAGEMENT AND RECORDING MEDIUM WITH DATA MANAGEMENT PROGRAM RECORDED

摘要

PROBLEM TO BE SOLVED: To obtain a data management device which protects digital literary works which are delivered through a network without the addition of control information like right information. SOLUTION: A data form discrimination part 103 takes out distributed contents from the outside or reads out non-ciphered contents from a recording medium by user's choice. In the case of a 'CD', a data registration part 104 enciphers contents to write them in a data storage part 106 and reads out right information from a data form-classified right management table 102 to write the data ID, encryption information, right information, and the file name in a data management table 105 and writes encryption information and right information in the data storage part 106.