Patent application number | Description | Published |
20100318790 | CARD MANAGEMENT DEVICE AND CARD MANAGEMENT SYSTEM - A card management device includes: a card device configured to include a controller on which a cryptographic IP is mounted in advance; and an individual information writing device configured to allow the card device to be connected to the individual information writing device in such a way that the card device is capable of data transfer to the individual information writing device, individual information assigned to the card device in advance being set in the individual information writing device, the individual information writing device being capable of writing the individual information to the card device connected to the individual information writing device. | 12-16-2010 |
20110320810 | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM - An information processing device includes: a data processing unit that executes a process of reproducing content recorded in a medium; and a memory storing a content revocation list in which an identifier (ID) of revoked content is recorded, wherein the data processing unit compares a minimum allowable version of a content revocation list recorded in a token which is management data corresponding to content recorded in the medium with a version of a content revocation list acquired from the memory, and when the version of the content revocation list acquired from the memory is an old version lower than the minimum allowable version of the content revocation list recorded in the token, the data processing unit halts determination on revocation of content based on the content revocation list acquired from the memory and reproduction of content. | 12-29-2011 |
20110320811 | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM - An information processing device includes: a data processing unit that executes a process of reproducing content recorded in a medium, wherein the data processing unit acquires a token from the medium, the token being management data corresponding to content recorded in the medium, compares a server ID recorded in the acquired token with a server ID recorded in a server certificate acquired from a server from which the management data is acquired, and halts reproduction of content when the two server IDs are not identical. | 12-29-2011 |
20110320812 | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM - 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. | 12-29-2011 |
20120036350 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM - An information processing apparatus includes a data processing unit which generates content to be distributed to a client; and a communication unit which sends the content generated by the data processing unit, wherein the data processing unit combines a plurality of watermarking record blocks, each of which is obtained by embedding watermarking data into a block as section data of the content, generates content in which different watermarking data sequences are set in units of distribution processing with respect to the clients, and sends the generated content to the clients through the communication unit. | 02-09-2012 |
20120045062 | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM - 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. | 02-23-2012 |
20120047360 | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM - 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. | 02-23-2012 |
20120089843 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM - An information processing apparatus includes: a data processor which creates content to be distributed to a client, wherein the data processor executes processing of creating content provided to a client by selecting data in units of segments, which are division data of content, from a plurality of additional information recorded content items obtained by recording different additional information items on original content, selects different segment columns in units of content distribution clients in the processing of creating content provided to a client, and creates management information in which client information for identifying a client of a content distribution destination and segment column information indicating a segment selection state of the content provided to a client, which is provided to a corresponding client, are matched with each other and records the management information in a storage unit. | 04-12-2012 |
20120173799 | DATA STORAGE APPARATUS, INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM - 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. | 07-05-2012 |
20140122887 | INFORMATION PROCESSING APPARATUS, INFORMATION STORAGE APPARATUS, INFORMATION PROCESSING SYSTEM, AND INFORMATION PROCESSING METHOD AND PROGRAM - There is provided an information processing apparatus including: a data processing unit, on which a medium as an information storage apparatus is mounted, which controls reproduction of content stored on the medium, wherein the data processing unit executes host device ID registration processing for outputting a host device ID, which is an identifier of the host device, to the medium and storing the host device ID on the medium, receives the host device ID, which is stored on the medium, from the medium after execution of the host device ID registration processing, executes connection consistency confirmation processing for executing matching processing between the received host ID and the host device ID of the host device, and executes or continues content reproduction under a condition that the matching processing has been established in the connection consistency confirmation processing, or stops the content reproduction if the matching processing has not been established. | 05-01-2014 |
20140351585 | INFORMATION STORAGE DEVICE, INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM - 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. | 11-27-2014 |
20150046719 | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM - 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. | 02-12-2015 |