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    • 1. 发明专利
    • Information processor, downloading method, download suspension method, downloading restart method and program
    • 信息处理器,下载方法,下载挂起方法,下载重启方法和程序
    • JP2008071304A
    • 2008-03-27
    • JP2006251769
    • 2006-09-15
    • Sony Corpソニー株式会社
    • EBIHARA MUNETAKEYOSHIMURA KOJIKUNO HIROSHIMAEDA YUTAKASATO HIDEKI
    • G06F13/00
    • H04L67/06H04L67/14H04L67/145H04L69/40
    • PROBLEM TO BE SOLVED: To enhance compatibility between download suspension and restart. SOLUTION: A portable information processor 20 comprises a mounting part 260 with a detachable storage medium 7 mounted thereon; a downloading part 22 receiving contents from a server 30 and recording the received contents in the storage medium 7; a suspension processing part 23 recording in the storage medium 7 restart information required to restart to download the suspended contents when reception of the contents is suspended; and a restart processing part 24 transmitting a transmission request of the suspended contents to the server 30 based on the restart information read from the storage medium 7 when restarting reception of the suspended contents. The downloading part 22 receives the suspended contents transmitted from the server 30 in response to the transmission request of the restart processing part 24 and records the suspended contents in the storage medium 7. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提高下载暂停和重新启动之间的兼容性。

      解决方案:便携式信息处理器20包括安装在其上的可拆卸存储介质7的安装部分260; 从服务器30接收内容并将接收到的内容记录在存储介质7中的下载部分22; 在存储介质7中记录的暂停处理部23在内容的接收暂停时重新开始重新开始下载暂停内容的信息; 以及重新启动处理部分24,当重新开始暂停的内容的接收时,基于从存储介质7读取的重新启动信息,将挂起的内容的发送请求发送到服务器30。 下载部分22响应于重新开始处理部分24的发送请求而接收从服务器30发送的暂停内容,并将暂停的内容记录在存储介质7中。(C)2008年,JPO和INPIT

    • 3. 发明专利
    • Information processing system, information processing apparatus, information processing method, and program
    • 信息处理系统,信息处理设备,信息处理方法和程序
    • JP2006041570A
    • 2006-02-09
    • JP2004213882
    • 2004-07-22
    • Sony Corpソニー株式会社
    • SAEKI KEIKOEBIHARA MUNETAKEADACHI KAZUHIDE
    • H04L9/16G10L19/00
    • H04N7/1675H04N21/4143H04N21/4408H04N21/835
    • PROBLEM TO BE SOLVED: To provide an information processing system capable of protecting information. SOLUTION: A block division unit 252 divides contents into a plurality of blocks. A content-key generating unit 281 generates a content key Kc used in common for contents, and a Seed-generating unit 282 generates a Seed for each of a prescribed number of the blocks. An encryption unit 283 encrypts the Seed by the content key Kc and generates a block key Kb by each of a prescribed number of the blocks. An encryption unit 254 encrypts the blocks supplied from the block division unit 252 by the block key Kb, generated by each of a prescribed number of the blocks. A license processing unit 211 generates a license including at least the extent of the Seed, wherein the license is effective and the content key Kc on the basis of the Seed generated by the Seed-generation unit 282 and attaches the license to the contents. The information processing system or the like can be made applicable to information processing apparatuses for encrypting information. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供能够保护信息的信息处理系统。 解决方案:块分割单元252将内容分成多个块。 内容密钥生成单元281生成用于内容的共同使用的内容密钥Kc,种子生成单元282为规定数量的块中的每一个生成种子。 加密单元283通过内容密钥Kc加密种子,并通过规定数量的块中的每一个生成块密钥Kb。 加密单元254通过由规定数量的块中的每一个生成的块密钥Kb来加密从块分割单元252提供的块。 许可处理单元211生成至少包括种子的范围的许可证,其中许可证有效,并且内容密钥Kc基于种子生成单元282生成的种子,并将许可证附加到内容。 信息处理系统等可以适用于信息加密的信息处理装置。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • Information processing apparatus and method, recording medium, and program
    • 信息处理装置和方法,记录介质和程序
    • JP2005115634A
    • 2005-04-28
    • JP2003348665
    • 2003-10-07
    • Sony Corpソニー株式会社
    • HAYASHI TAKAMICHIEBIHARA MUNETAKESHIROI MANABUSHIMIZU MASAHIRO
    • G06F17/30G06F12/00G11B27/00
    • PROBLEM TO BE SOLVED: To display information related to a content without changing a display device, a program, or the like regardless of difference of processing capabilities or display capabilities. SOLUTION: An indication of one display mode is acquired in a step S101. When a track display mode is indicated, names of contents are displayed in one hierarchy on the basis of a sequence of content file numbers in a step S103. When a group display mode is indicated, not only a name of a group is displayed in one hierarchy but also names of contents classified into the group is displayed on the basis of a sequence of content file numbers in a step S105. When a group tree display mode is indicated, the name of the group or names of contents are displayed in hierarchies based on a tree structure in a step S106. This invention is applicable to a portable player. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:不管处理能力或显示能力的差异如何,不改变显示装置,程序等来显示与内容相关的信息。 解决方案:在步骤S101中获取一种显示模式的指示。 当指示轨道显示模式时,在步骤S103中,内容名称根据内容文件序列的顺序显示在一个层次中。 当指示组显示模式时,不仅在一个层次中显示组的名称,而且在步骤S105中基于内容文件序列的顺序显示分类到组中的内容的名称。 当指示组树显示模式时,在步骤S106中基于树结构在层次结构中显示组名或名称。 本发明适用于便携式播放机。 版权所有(C)2005,JPO&NCIPI
    • 7. 发明专利
    • Information processing device, information storage device, information processing system, information processing method, and program
    • 信息处理设备,信息存储设备,信息处理系统,信息处理方法和程序
    • JP2013143104A
    • 2013-07-22
    • JP2012004419
    • 2012-01-12
    • Sony Corpソニー株式会社
    • HAYASHI TAKAMICHIKUNO HIROSHIYOSHIMURA KOJITANABE MITSURUEBIHARA MUNETAKE
    • G06F21/10G06F21/64G06F21/72G11B20/10H04L9/14H04L9/32H04N5/765H04N5/91
    • PROBLEM TO BE SOLVED: To provide a device and a method which prevent the use of unauthorized content and of an unauthorized information storage device.SOLUTION: A system includes: an information storage device; a license authority which generates a media key set (MKS) to be stored in the information storage device; and a content delivery device. Upon production of the information storage device, the license authority obtains and holds a media key binding log which contains: an identifier of the MKS to be stored in the information storage device; and an identifier (IDc) of a controller of the information storage device. In response to reception of content from the content delivery device, the controller of the information storage device outputs the identifier of the MKS and the IDc. The license authority verifies an access log containing the identifier of the MKS and the IDc against the media key binding log, so as to determine validity of the information storage device.
    • 要解决的问题:提供一种防止使用未授权内容和未授权信息存储装置的装置和方法。解决方案:一种系统,包括:信息存储装置; 生成要存储在所述信息存储装置中的媒体密钥组(MKS)的许可证机构; 和内容传送设备。 在生成信息存储装置的情况下,许可证机构获取并保存包含要存储在信息存储装置中的MKS的标识符的媒体密钥绑定日志; 以及信息存储装置的控制器的标识符(IDc)。 响应于来自内容传送装置的内容的接收,信息存储装置的控制器输出MKS的标识符和IDc。 许可证机构根据媒体密钥绑定日志验证包含MKS和IDc的标识符的访问日志,以便确定信息存储设备的有效性。
    • 10. 发明专利
    • Content transfer device, content transfer method, and computer program
    • 内容传输设备,内容传输方法和计算机程序
    • JP2007011585A
    • 2007-01-18
    • JP2005189997
    • 2005-06-29
    • Sony Corpソニー株式会社
    • SAEKI KEIKOSOMA SHUNICHITATENO HISASHIEBIHARA MUNETAKESHIMADA HIROBUMI
    • G06F13/00G06F21/00G06F21/24H04L12/56
    • PROBLEM TO BE SOLVED: To provide a content transfer device, and a content transfer method capable of transferring even only one portion of a content file managed by transfer control information, and a computer program therefor. SOLUTION: The content transfer device comprises an input section for receiving a command for transferring one portion of the content file; license information acquisition sections (330, 340) for acquiring license information; a transfer packet information acquisition section (340) for acquiring the transfer packet information where a packet to be transferred has been designated by referring to transfer control information in the license information; a transfer section for taking out the packet from the content file according to the transfer packet information and transferring the packet to an external device; and an update section (340) for updating the transfer packet information so that a packet to be transferred next is designated. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种内容传送装置和能够传送由传送控制信息管理的内容文件的一部分的内容传送方法及其计算机程序。 解决方案:内容传送装置包括用于接收用于传送内容文件的一部分的命令的输入部分; 用于获取许可证信息的许可信息获取部分(330,340); 参照许可信息中的传送控制信息,获取要传送的分组的传送分组信息的传送分组信息获取部(340); 传送部分,用于根据传送分组信息从内容文件中取出分组,并将分组传送到外部设备; 以及更新部分(340),用于更新传送分组信息,以便指定下一个传送的分组。 版权所有(C)2007,JPO&INPIT