Information processing apparatus, information recording...

Details Information processing apparatus, information recording... Information processing apparatus, information recording...

2011-07-12

2011-07-12

Zand, Kambiz (Department: 2434)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C380S044000, C380S200000, C380S201000, C713S178000, C713S187000, C726S032000

Reexamination Certificate

active

07979709

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.

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Japanese Office Action for corresponding JP2005-267532 issued on Sep. 7, 2010.

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