Invention Grant
- Patent Title: Information processing apparatus, information recording medium, information processing method, and computer program
- Patent Title (中): 信息处理装置,信息记录介质,信息处理方法和计算机程序
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Application No.: US12967982Application Date: 2010-12-14
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Publication No.: US08549323B2Publication Date: 2013-10-01
- Inventor: Kenjiro Ueda , Kazuo Yamamoto
- Applicant: Kenjiro Ueda , Kazuo Yamamoto
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Finnegan Henderson Farabow Garrett & Dunner LLP
- Priority: JPP2009-288020 20091218
- Main IPC: G06F11/30
- IPC: G06F11/30

Abstract:
An information processing apparatus includes: a data processing unit that generates data for copy of data recorded on an information recording medium, wherein the information recording medium has a configuration in which data encrypted by applying an individual unit key in unit of a unit, which is segment data corresponding to an individual title, is recorded, and the data processing unit acquires title information recorded in copy processing information acquired from the information recording medium or a management server, acquires a unit key corresponding to the acquired title information, and executes decryption processing in unit of the unit by the acquired unit key to generate the data for copy.
Public/Granted literature
Information query