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    INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM
    13.
    发明公开
    INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM 审中-公开

    公开(公告)号：EP2854060A4

    公开(公告)日：2016-01-13

    申请号：EP13793890

    申请日：2013-03-25

    Applicant: SONY CORP

    Inventor： UEDA KENJIRO ,  KUNO HIROSHI ,  KOBAYASHI YOSHIYUKI

    IPC: G06F21/10 ,  G06F21/44 ,  G06F21/62 ,  H04L9/08 ,  H04L9/32

    CPC classification number: G06F21/10 ,  G06F21/44 ,  G06F21/62 ,  G06F2221/0753 ,  H04L9/0897 ,  H04L9/321 ,  H04L9/3263 ,  H04L2209/60

    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. The content usage managing server determines the block for storing the encryption key andnotifies the content correspondence information providing server of a block identifier that is the identifier of the determined block, and the content correspondence information providing server performs a process to write the encryption key into the block corresponding to the received block identifier.

    15.
    发明专利
    未知

    公开(公告)号：BRPI0608830A2

    公开(公告)日：2012-07-31

    申请号：BRPI0608830

    申请日：2006-03-01

    Applicant: SONY CORP

    Inventor： TAKASHIMA YOSHIKAZU ,  UEDA KENJIRO ,  KOBAYASHI YOSHIYUKI

    IPC: G06F12/00 ,  G06F21/24 ,  G11B20/10 ,  G11B27/00 ,  G11B27/10 ,  H04N5/76

    Abstract: A configuration is provided that allows secure data management to be performed on subsequently acquired data associated with content management units. When subsequently acquired data, such as information subsequently generated or downloaded by a user in association with content stored on an information recording medium, is recorded to a hard disk or the like, subsequently-acquired-data search information and access control information are set. This configuration allows a subsequently-acquired-data file to be searched for and be obtained based on the subsequently-acquired-data search information and allows access control for each subsequently-acquired-data file to be performed based on the access control information. The search information and the access control information are also set in shared directories, such as a studio shared directory.

    17.
    发明专利
    未知

    公开(公告)号：BRPI0607328A2

    公开(公告)日：2010-10-19

    申请号：BRPI0607328

    申请日：2006-02-16

    Applicant: SONY CORP

    Inventor： TAKASHIMA YOSHIKAZU ,  MURAMATSU KATSUMI ,  KATO MOTOKI ,  OISHI TATEO ,  UEDA KENJIRO

    IPC: G11B20/10 ,  G06F21/24 ,  G11B20/12 ,  H04L9/14

    Abstract: A data placement configuration which ensures seamless playback of contents having segment portions including multiple different variations of encrypted data is provided. With regard to contents having segment portions configured of multiple different variations of encrypted data to which individual segment keys have been applied, and non-segment portions serving as encrypted data to which a unit key has been applied, the placement of segment data and non-segment portion configuration data is determined such that the maximum jump distance executed at the time of playback processing is equal to or less than a maximum jump distance set beforehand. Data placement has been determined based on seek time, ECC block processing time, sequence key usage time which is key switchover time, and so forth.

    INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD
    18.
    发明专利
    INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD 未知

    公开(公告)号：HK1097087A1

    公开(公告)日：2007-06-15

    申请号：HK07103902

    申请日：2007-04-16

    Applicant: SONY CORP

    Inventor： TAKASHIMA YOSHIKAZU ,  UEDA KENJIRO ,  OISHI TATEO ,  KATO MOTOKI ,  MURAMATSU KATSUMI

    IPC: G06F21/62 ,  G11B20060101 ,  G11B20/10 ,  G11B20/12 ,  H04L9/14 ,  H04N5/91 ,  H04N5/93

    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.

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