INFORMATION PROCESSING APPARATUS, INFORMATION RECORDING MEDIUM, APPARATUS AND METHOD OF MANUFACTURING INFORMATION RECORDING MEDIUM, AND COMPUTER PROGRAM

An information processing apparatus is provided. The information processing apparatus includes content verification means for executing a verification processing of a recording content recorded on an information recording medium, and content play means for executing a content play processing on a condition that validity of the recording content is checked on the basis of the verification processing. The content verification means acquires from the information recording medium a content hash table having registered therein hash values generated on the basis of legal recording content data and executes a processing for verifying a presence or absence of an illegal recording content whose hash value is not registered in the content hash table.