Abstract: The present disclosure realizes a structure that can unify the management of the storage block for the encryption key to be used in decrypting encrypted content stored in a memory card. This structure includes: an information processing apparatus that stores content into an information storage device such as a memory card including an access allowed block based on an access right check made on each block, and uses the content; a content usage managing server that provides content usage permission information to the information processing apparatus; and a content correspondence information providing server that provides the encryption key to be used in decrypting the encrypted content stored in the information storage device.

Abstract: According to a first aspect of the present disclosure, there is provided an information storage device including a storage unit that stores encrypted content, usage control information of the encrypted content, and a revocation list in which revocation information of a content reproduction device is recorded, and a data processing unit that determines whether content reproduction of an information processing device which performs decoding of the encrypted content is permitted.

Abstract: An information processing system including a medium where a content to be played is stored; and a playing apparatus for playing a content stored in the medium; with the playing apparatus being configured to selectively activate a playing program according to a content type to be played, to obtain a device certificate correlated with the playing program from storage by executing the playing program, and to transmit the obtained device certificate to the medium; with the device certificate being a device certificate for content types in which content type information where the device certificate is available is recorded; and with the medium determining whether or not an encryption key with reading being requested from the playing apparatus is an encryption key for decrypting an encrypted content matching an available content type recorded in the device certificate, and permitting readout of the encryption key only in the case of matching.

Abstract: An information processing system including a medium where a content to be played is stored; and a playing apparatus for playing contents stored in the medium; with the playing apparatus being configured to discriminate the content type of a content selected as an object to be played, to selectively obtain a device certificate correlated with the discriminated content type from a storage unit, and to transmit the selectively obtained device certificate to the medium; with the device certificate being a device certificate for content types in which content type information where the device certificate is available is recorded; and with the medium determining whether or not an encryption key with reading being requested from the playing apparatus is an encryption key for decrypting an encrypted content matching an available content type recorded in the device certificate, and permitting readout of the encryption key only in the case of matching.

Abstract: An information storing device includes a storage section configured to store revocation information that is a list of an identifier of an unauthorized device, and a data processor configured to execute determination processing of unauthorized equipment in accordance with the revocation information. The data processor extracts version information enabling identification of the issue order of the revocation information from the revocation information and transmits the extracted version information to a communication counterpart device. If the data processor receives the revocation information of a new version of the issue order held by the communication counterpart device from the communication counterpart device, the data processor executes revocation information synchronization processing of substituting the received revocation information of the new version for the revocation information of an old version stored in the storage section to store the revocation information of the new version.

Abstract: An information processing device including: a data processing unit that generates an encryption key of content; and a communication unit that transmits an encryption key generated by the data processing unit, wherein the data processing unit generates, as the encryption key, individual keys that are different for each new content recording prates sing on a recording medium in a content recording device, and transmits the individual keys through the communication unit.

Abstract: An information processing device including: a data processing unit that generates an encryption key of content; and a communication unit that transmits an encryption key generated by the data processing unit, wherein the data processing unit generates, as the encryption key, individual keys that are different for each new content recording processing on a recording medium in a content recording device, and transmits the individual keys through the communication unit.

Abstract: Provided is an information storage device including a storage unit configured to store encrypted content and an encryption key to be applied to decryption of the encrypted content, wherein the storage unit stores a converted encryption key generated through an arithmetic operation of the encryption key and an electronic signature that is constituent data of an encrypted content signature file set corresponding to the encrypted content, wherein the electronic signature is an electronic signature for data that includes constituent data of the encrypted content and the encryption key, and wherein a reproduction device configured to read the encrypted content from the storage unit and execute a decryption process is able to be caused to perform acquisition of the encryption key through an arithmetic operation of applying the electronic signature to the converted encryption key.

Abstract: An information processing apparatus includes a data processor and a storage. The storage is divided into a protected area to which access is limited and a general purpose area which is freely accessible, and configured to store in the general purpose area encrypted content, and an encrypted title key obtained by encrypting a title key to be applied to decrypt the encrypted content, and store in the protected area a binding key applied to encrypt the title key, and a hash value of the encrypted title key. The data processor is configured to determine, in response to a request for access to the protected area from an external apparatus, whether or not to permit the access, and permit, only when access permission determination is made, the access to the protected area.

Abstract: An information processing device includes a data processing unit executing decryption and playing processing of an encrypted content, with the data processing unit executing content playback propriety determination processing by applying an encrypted content signature file set in response to a content to be played; with the encrypted content signature file including a content hash list group including a hash value, and signature data for data generated from a content encryption key and the content hash list group; and with the data processing unit executing, with the content playback propriety determination processing, hash value matching processing between a hash value calculated from a content to be played, and a hash value for matching included in the content hash list group, and signature data verification processing to which the signature has been applied to perform decryption and playing processing of the encrypted content with success of both processes as a condition.

Abstract: There is provided a device and a method for preventing using of illegitimate content or manufacturing of the illegitimate media that uses illegitimate media. In a system that has an information storage device, a license management apparatus that generates a media key set (MKS) that is stored in the information storage device, and a content provision apparatus, at the time of manufacturing of the information storage device, the license management apparatus compares an MKS version that is set in the MKS that is stored in the information storage device, and an allowance minimum MKS version that is recorded in a controller of the information storage device, and thus records key information stored in the MKS, in a storage unit under the condition that it is confirmed that the MKS version is equal to or greater in value than the allowance minimum MKS version.

Abstract: An information processing system includes: a client executing acquisition and reproduction of contents; a management server providing the client with content selection information applied for acquisition of contents; and a content providing server receiving the content selection information from the client and providing the content selected in accordance with the content selection information, wherein the content selection information includes content identifiers as identifiers of encrypted contents respectively encrypted by different encryption keys and range information indicating data areas of range data which is configuration data of respective encrypted contents, and the content providing server provides the client with an encrypted content formed by combining range data as partial data of the encrypted contents specified by the content identifiers and the range information.

Abstract: A vehicle door structure equipped with a slide door that opens and closes a partial area of a door opening portion provided in a side portion or a rear portion of a vehicle body and a swing door that opens and closes the other partial area of the door opening portion along with the slide door, the vehicle door structure comprising: a slide door handle that is provided in the slide door so as to open and close the slide door; a swing door lock mechanism that locks the swing door to the vehicle body when the swing door is fully closed; and a swing door lock release mechanism that releases the locking of the swing door with respect to the vehicle body when the full opened state of the slide door is detected.

Abstract: An information processing apparatus includes an application execution unit configured to generate data to be recorded onto a medium that records data or reproduce data from the medium, a file system unit configured to manage data recorded on the medium using a file system, and a file conversion unit configured to perform conversion between a first file format processable by the application execution unit and a second file format defined by the file system. The file conversion unit converts a file of the first file format generated by the application execution unit into a file of the second file format having an allowable size defined by the file system and supplies the converted file to the file system unit in the form of a file to be recorded.

Abstract: An information processing apparatus, including: a data processing section reproducing contents stored in a medium having a general purpose area in which encrypted contents and utilization controlling information corresponding to the contents are stored, and a protected area configured from a plurality of blocks to which access limitation is set and which include a block in which an encryption key for decrypting the contents and information of a plurality of validity periods indicative of content utilization permission periods applied to the application contents of the encryption key are stored, wherein the data processing section acquires the utilization controlling information of a reproduction object content, extracts selection information of validity period information to be applied to the content, and decides whether or not content reproduction is to be permitted by comparison between the validity period information selected from within the block and current date information in accordance with the selecti

Abstract: An information processing device including: a data processing unit that generates content for transmitting to a client; and a communication unit that transmits the generated content of the data processing unit, wherein the data processing unit generates, based on basic encrypted content having a plurality of units that each includes a SEED that is data for encryption key generation and a block that is encrypted data that is encrypted by an encryption key generated using the SEED, each data of (a) converted encrypted content on which conversion processing to replace the SEED with dummy data or to delete the SEED is performed, and (b) encrypted SEED that is the SEED encrypted by content transmission processing or by individual keys that are different by units of users at a transmission destination, and transmits the generated converted encrypted content and encrypted SEED as data provided to the client via the communication unit.

Abstract: Content usage control is realized on condition of the establishment of user authentication without having to communicate with a server or the like. An information storage device such as a memory card stores an encrypted content, a converted title key obtained by converting a title key which is an encryption key, and a user token obtained by converting binding secret information to be applied to calculate the title key from the converted title key. A reproducing device that decrypts and reproduces the encrypted content acquires the converted title key and the user token, and generates an authentication key on the basis of user identification information such as a user ID.

Abstract: An information storage apparatus that includes a memory unit, a first controller that reads data from the memory unit, and a second controller included in the memory unit that reads a first identification and outputs the first identification in response to an external instruction, wherein the first identification may only be read by the second controller.

Abstract: An information processing device includes: a memory having a protected area which is a data recording area in which access restriction is set; and a data processing unit that determines accessibility in response to a request for accessing the protected area from an access requesting device, wherein the data processing unit verifies a device certificate received from the access requesting device and determines accessibility to the protected area based on access control information recorded in the device certificate.

Abstract: A memory device includes: a storage section configured to store public key information of a certificate authority for verifying a certificate and revocation information for revoking illegal devices and to include a secret area for storing data of which the confidentiality is to be guaranteed; and a control section configured to have a function of communicating with an external device and to control access to the secret area of the storage section at least in accordance with the revocation information.