Optical recording medium, recording/reproducing apparatus and method, and recording medium storing program for executing the method

摘要

An information recording medium includes an access control area (213) in which access control data (ACD) is recorded, the ACD (310) having common information (311) set (311) to allow a recording/reproducing apparatus that cannot recognize a predetermined function of the information recording medium to control access to the information recording medium; and an ACD (310) state information area in which state information (411) regarding one of defectiveness and recordability of an ACD block, at which the ACD (310) is recorded in the access control area (213), is recorded.