CONTENTS USE CONDITION INSPECTING METHOD, ITS DEVICE, AND RECORDING MEDIUM STORING THE PROGRAM

摘要

PROBLEM TO BE SOLVED: To enable inspecting in a short time whether opening conditions are satisfied in the case of network opening registration of contents. SOLUTION: When registration requirement of contents 102 is received from a contents opener, a meta watermark is read (105) from the contents 102, a real watermark method is specified (116) by the meta watermark information, the real watermark is read (106) from the contents by the specified method, the real watermark information is delivered (108) to a right information database 109, corresponding use conditions 110 are obtained, a use method of the contents is determined (111) from the use conditions 110, and the contents are registered on recording medium 104 and opened when the use conditions are satisfied.