INFORMATION STORAGE DEVICE, INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM

摘要

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.

主权项

1. An information storage device comprising:
a storage unit in which key information is stored; and a controller that executes processing which records the key information in the storage unit, wherein the controller compares a key version that is set to correspond to the key information and an allowance minimum key version which is recorded, in advance, within the controller, and records the key information in the storage unit under the condition that it is confirmed that the key version is equal to or greater in value than the allowance minimum key version.