Abstract: An information processing apparatus for recording information on an information recording medium is provided. The information processing apparatus includes a content cryptographic processor configured to generate encrypted content by executing encryption using a unit key associated with a content management unit that serves as a unit for controlling usage of content; a unit-key-file processor configured to generate a unit key file storing the unit key, and to encrypt the unit key file or constituent data of the unit key file using an encryption key that is generated using a seed whose value is updated in accordance with change in constituent data of unit keys included in the unit key file; and a data recorder configured to record the content management unit including the encrypted content as constituent data and the unit key file on the information recording medium according to a predetermined data recording format.

Abstract: The present invention relates to a reproducing apparatus, a reproducing method, a program, a program storage medium, a data delivery system, a data structure, and a manufacturing method of a recording medium for easily handling a content file recorded on a disk and an update file recorded on a local storage. Downloaded data can be handled with a file having a path name and a file name on the local storage being different from a file having a path name and a file name on a virtual file system based on a path name specified by an src_file_name field of and a path name specified by a dst_file_name field of a manifest ( ) section. The present invention is applicable to reproducing apparatuses.

Abstract: An information processing apparatus includes: a data processing unit that acquires content codes including a data processing program recorded in an information recording medium and executes data processing according to the content codes; and a memory that stores an apparatus certificate including an apparatus identifier of the information processing apparatus. The data processing unit is configured to execute an apparatus checking process applying the apparatus certificate stored in the memory on the basis of a code for apparatus checking process included in the content codes, acquire the apparatus identifier recorded in the apparatus certificate after the apparatus checking process, and execute data processing applying content codes corresponding to the acquired apparatus identifier.

Abstract: A configuration is provided which enables usage management and secure data management of data newly generated or obtained that is different from data already stored in an information recording medium. New data such as information which the user has newly generated or downloaded related to content information increments of content management information stored in an information recording medium is recorded as configuration data of the content management unit, in the form of encrypted data to which a unit key corresponding to the content management unit, or a unit key corresponding to a new content management unit, has been applied. According to this configuration, secure data management and usage management is realized for new data the same as with data corresponding to original units.

Abstract: An information processing device for executing content reproduction processing includes: a content reproduction processing unit for executing data transformation processing for replacing a part of configuration data of input content to be reproduced with transformation data, and executing processing for reproducing the reproduction content; and a parameter generating unit for providing the content reproduction processing unit with a parameter to be applied in the data transformation processing; wherein the content reproduction processing unit has a configuration for obtaining a parameter identifier that is different for each segment set as a sectioning region of reproduction content, and outputting a parameter calculation request accompanied by the parameter identifier to the parameter generating unit; and wherein the parameter generating unit has a configuration for providing the content reproducing unit with a parameter corresponding to a segment, in response to the parameter calculation request from the co

Abstract: An information processing apparatus includes a control unit and a memory. The control unit obtains a content playback application program, recorded on an information recording medium, corresponding to content recorded on the information recording medium, and performs a content playback operation according to the obtained content playback application program. The memory stores a region code specific to a region corresponding to the information processing apparatus. The control unit executes a region code check program that is contained in the content playback application program to determine whether or not utilization of the content is permitted based on the region code corresponding to the information processing apparatus. The control unit performs the content playback operation using the content playback application program if the information processing apparatus is confirmed as the apparatus compliant with the region where the utilization of the content is permitted.

Abstract: An information processing apparatus includes a data processor configured to obtain first content stored in a first information recording medium and second content which is stored in a second information recording medium and which is usable together with the first content, and to perform content playback processing by using the first content and the second content. The data processor calculates a hash value of a certificate stored in the first information recording medium, and verifies the calculated hash value against a hash value stored in a content certificate corresponding to the first content, and on the condition that the calculated hash value and the hash value stored in the content certificate coincide with each other, the data processor performs the content playback processing by using the first content and the second content.

Abstract: An information processing apparatus includes a data processor that obtains a security check code included in content codes recorded on an information recording medium when using content and that conducts security check for the information processing apparatus in accordance with the obtained security check code. The data processor obtains information based on at least one of identification information and configuration information corresponding to the information processing apparatus or a content usage application, and among security check codes classified into a plurality of data files, the data processor selects a security check code corresponding to the obtained information to conduct security check on the basis of the selected security check code.

Abstract: An information processing apparatus is provided. The information processing apparatus includes a cryptographic processor configured to generate encrypted data associated with a content management unit by executing encryption using a unit key associated with the content management unit, the content management unit being defined as a unit for controlling usage of content; a management-information controller configured to generate or update a unit key file storing the unit key and a usage-control-information file associated with the content management unit as management information associated with the encrypted data generated by the cryptographic processor; and a recorder configured to record the encrypted data, the unit key file, and the usage-control-information file on an information recording medium according to a predetermined data recording format.

Abstract: A recording/playback apparatus for recording or playing back content is provided. For example, a playback unit plays back a medium on which an encrypted content management unit and an encrypted unit key for encrypting the content management unit are recorded. The encrypted unit key is decrypted according to a predetermined decryption procedure. An obtaining unit obtains subsequently generated or obtained data corresponding to the content data played back by the playback unit and a subsequently generated or obtained data key. A decryption unit decrypts the subsequently generated or obtained data key obtained by the obtaining unit according to the predetermined decryption procedure for decrypting the encrypted unit key to decrypt the subsequently generated or obtained data based on the decrypted subsequently generated or obtained data key.

Abstract: To provide an apparatus, a recording medium and a method for effectively preventing unauthorized use of a content. A content containing broken data different from correct content member data is recorded on an information recording medium. Furthermore, transform data, as the correct member data, to be substituted for the broken data, and a fix-up table storing setting position information of the content are recorded on the information recording medium. During the content playback process, the transform data is substituted for the content member data in accordance with the fix-up table recorded on the information recording medium. With this arrangement, even if the encryption key corresponding to the encrypted content recorded on the information recording medium is leaked, an apparatus unable to acquire the transform data cannot play back the content. Unauthorized use of the content is thus controlled.

Abstract: An information processing device for executing reproduction processing of content recorded in an information recording medium, includes: a data processing unit for acquiring content codes including a program or application information to be applied to the recording content of the information recording medium, and executing data processing in accordance with the acquired content codes; wherein the data processing unit is configured so as to execute the verification processing of a digital signature which allows tampering verification of the entire content codes included in a content code file storing the content codes, and as the verification result, execute data processing in accordance with the content codes on the condition that validity of the content code file has been confirmed.

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.

Abstract: An information processing device includes: a modified data generating unit for generating modified data obtained by modifying content configuration data; a fix-up table generating unit for generating a fix-up table in which transformation data serving as an object to be replaced with the modified data is registered; and a data recording unit for recording content including the modified data and the fix-up table in an information recording medium; wherein the modified data generating unit is configured so as to execute data modification processing with the configuration units of MPEG encoded data included in a TS packet making up content as data modification processing units.

Abstract: An information processing device, for executing content reproduction processing from an information recording medium, includes a security information processing unit for determining output messages based on security check information in a content reproduction sequence, and outputting a message output command accompanied by selection information of the output message to a user interface processing unit, and a user information processing unit for obtaining message information based on the selection information input from said security information processing unit and outputting to a display unit.

Abstract: An information processing apparatus plays back content including a plurality of divided playback zones, a playlist being associated with each of the divided playback zones. The information processing apparatus includes a playlist selection information obtaining unit obtaining a plurality of pieces of playlist selection information including information concerning a playback sequence of play items which are set as content playback unit data, the plurality of pieces of playlist selection information being obtained in accordance with the number of playback zones included in the content, a playlist selector selecting a plurality of playlists on the basis of the plurality of pieces of playlist selection information obtained by the playlist selection information obtaining unit, a playlist integrating processor generating an integrated playlist by integrating the plurality of playlists selected by the playlist selector, and a content playback unit playing back the content on the basis of the integrated playlist.

Abstract: An information processor includes a data processing section that executes a processing of storing subsequently generated data, which is subsequently generated or acquired using information read from an information recording medium, onto a storage unit. The data processing section is configured to execute a processing of storing onto the storage unit encrypted subsequently generated data as encrypted data that is encrypted with a unit key as an encryption key corresponding to a content management unit to which the subsequently generated data belongs, and execute a processing of acquiring an encrypted bind unit key and storing the encrypted bind unit key onto the storage unit, the encrypted bind unit key being encrypted data of a bind unit key including as its constituent data the unit key and one of key information acquired from the information processor and identification information acquired from the information recording medium.

Abstract: In an information recording medium storing many pieces of content, a configuration that allows use management on segmented content basis is provided. A plurality of content management units corresponding to title, index and other information are set by partitioning stored content in an information recording medium. Different unit keys that are encryption keys are allocated to different content management units. At least the content real data included in each content management unit is encrypted by use of the unit key and the encrypted data is stored. In content reproduction, units are identified and decryption is executed by use of a unit key corresponding to each unit for reproduction. In an information recording medium storing many pieces of content for example, each of segmented pieces of content may be managed.

Abstract: An information processing apparatus including a data processor and a communication unit is provided. For a content management unit provided with corresponding usage control information, the data processor executes a program corresponding to the content management unit, and obtains identification information set for the content management unit from an information recording medium and sends, via the communication unit, the obtained identification information to an access destination which is determined based on information indicated in the program, so that the data processor performs processing for obtaining download data set for the content management unit via the communication unit or for obtaining playback permission information concerning content corresponding to the content management unit via the communication unit.

Abstract: A CVD device has a reaction furnace (39) for processing a wafer (1); a seal cap (20) for sealing the reaction furnace (39) hermetically; an isolation flange (42) opposite to the seal cap (20); a small chamber (43) formed by the seal cap (20), the isolation flange (42), and the wall surface in the reaction furnace (39); a feed pipe (19b) for supplying a first gas to the small chamber (43); an outflow passage (42a) provided in the small chamber (43) for allowing the first gas to flow into the reaction furnace (39); and a feed pipe (19a) provided downstream from the outflow passage (42a) for supplying a second gas into the reaction furnace (39). Byproducts such as NH4Cl are prevented from adhering to low temperature sections such as the furnace opening and therefore the semiconductor device production yield is therefore increased.