Title: Information processing apparatus, information recording medium, apparatus and method of manufacturing information recording medium, and computer program
Application Number: 200610172400 Application Date: 2006.09.14
Publication Number: 1971745 Publication Date: 2007.05.30
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G11B20/10;G06F12/14;G09C1/00
Applicant(s) Name: Sony Corp. Address:
Inventor(s) Name: Takashima Yoshikazu;Ueda Kenjiro
Attorney & Agent: huangxiao lin wangzhi sen
Abstract:
    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.
Time: 9