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    Recording device, and content-data playback system
    1.
    发明授权
    Recording device, and content-data playback system 失效
    录音设备和内容数据播放系统

    公开(公告)号：US08578177B2

    公开(公告)日：2013-11-05

    申请号：US12717458

    申请日：2010-03-04

    申请人： Shinichi Matsukawa ,  Taku Kato ,  Akihiro Kasahara ,  Hiroshi Suu ,  Atsushi Kondo ,  Jun Sato ,  Akira Miura ,  Hiroyuki Sakamoto

    发明人： Shinichi Matsukawa ,  Taku Kato ,  Akihiro Kasahara ,  Hiroshi Suu ,  Atsushi Kondo ,  Jun Sato ,  Akira Miura ,  Hiroyuki Sakamoto

    IPC分类号： G06F12/14

    CPC分类号： G06F21/10 ,  G06F21/72 ,  G06F21/78 ,  G06F21/85 ,  G06F2221/0704 ,  G06F2221/0706 ,  G06F2221/0711 ,  G06F2221/2107 ,  G11B20/00086 ,  G11B20/00115 ,  G11B20/0021 ,  G11B20/00246 ,  G11B20/00362 ,  G11B20/00492 ,  G11B20/00862 ,  G11B2220/17 ,  G11B2220/61 ,  H04L9/0819

    摘要： A recording device configured to store content data in an encrypted manner, the recording device comprises a memory unit which stores various data, and a controller which controls the memory unit. The controller possesses a controller key and unique identification information, and is configured to generate a controller-unique key unique for each controller in accordance with the controller key and the identification information. The memory unit stores an MKB generated by encrypting a medium key with a device key set that is a collection of a plurality of device keys, an encrypted device key set generated by encrypting the device key set with the controller-unique key, and a device-key-set index which uniquely identifies the device key set. The controller comprises a decryption unit which obtains a device key set by decrypting the encrypted device key set with the controller-unique key, an ID generating unit which generates a medium ID from the identification information and the device-key-set index, and an authentication unit which executes an authentication process with an exterior in accordance with the device key set, the medium ID and the MKB.

    摘要翻译： 一种记录装置，被配置为以加密的方式存储内容数据，记录装置包括存储各种数据的存储单元和控制存储单元的控制器。 控制器具有控制器密钥和唯一的识别信息，并且被配置为根据控制器密钥和识别信息生成每个控制器唯一的控制器唯一密钥。 存储单元存储通过使用作为多个设备密钥的集合的设备密钥集合来加密中等密钥生成的MKB，通过用控制器唯一密钥加密设备密钥来生成的加密设备密钥集，以及设备 - 唯一标识设备密钥集的密钥设置索引。 控制器包括解密单元，其通过利用控制器唯一密钥解密加密设备密钥集来获得设备密钥集，ID生成单元从识别信息和设备密钥集索引生成介质ID，以及 认证单元，其根据设备密钥组，介质ID和MKB执行与外部的认证处理。

    RECORDING DEVICE, AND CONTENT-DATA PLAYBACK SYSTEM
    2.
    发明申请
    RECORDING DEVICE, AND CONTENT-DATA PLAYBACK SYSTEM 失效
    记录设备和内容数据回放系统

    公开(公告)号：US20100268953A1

    公开(公告)日：2010-10-21

    申请号：US12717458

    申请日：2010-03-04

    申请人： Shinichi Matsukawa ,  Taku Kato ,  Akihiro Kasahara ,  Hiroshi Suu ,  Atsushi Kondo ,  Jun Sato ,  Akira Miura ,  Hiroyuki Sakamoto

    发明人： Shinichi Matsukawa ,  Taku Kato ,  Akihiro Kasahara ,  Hiroshi Suu ,  Atsushi Kondo ,  Jun Sato ,  Akira Miura ,  Hiroyuki Sakamoto

    IPC分类号： H04L9/32 ,  H04L9/14 ,  H04L9/08

    CPC分类号： G06F21/10 ,  G06F21/72 ,  G06F21/78 ,  G06F21/85 ,  G06F2221/0704 ,  G06F2221/0706 ,  G06F2221/0711 ,  G06F2221/2107 ,  G11B20/00086 ,  G11B20/00115 ,  G11B20/0021 ,  G11B20/00246 ,  G11B20/00362 ,  G11B20/00492 ,  G11B20/00862 ,  G11B2220/17 ,  G11B2220/61 ,  H04L9/0819

    摘要： A recording device configured to store content data in an encrypted manner, the recording device comprises a memory unit which stores various data, and a controller which controls the memory unit. The controller possesses a controller key and unique identification information, and is configured to generate a controller-unique key unique for each controller in accordance with the controller key and the identification information. The memory unit stores an MKB generated by encrypting a medium key with a device key set that is a collection of a plurality of device keys, an encrypted device key set generated by encrypting the device key set with the controller-unique key, and a device-key-set index which uniquely identifies the device key set. The controller comprises a decryption unit which obtains a device key set by decrypting the encrypted device key set with the controller-unique key, an ID generating unit which generates a medium ID from the identification information and the device-key-set index, and an authentication unit which executes an authentication process with an exterior in accordance with the device key set, the medium ID and the MKB.

    摘要翻译： 一种记录装置，被配置为以加密的方式存储内容数据，记录装置包括存储各种数据的存储单元和控制存储单元的控制器。 控制器具有控制器密钥和唯一的识别信息，并且被配置为根据控制器密钥和识别信息生成每个控制器唯一的控制器唯一密钥。 存储单元存储通过使用作为多个设备密钥的集合的设备密钥集合来加密中等密钥生成的MKB，通过用控制器唯一密钥加密设备密钥来生成的加密设备密钥集，以及设备 - 唯一标识设备密钥集的密钥设置索引。 控制器包括解密单元，其通过利用控制器唯一密钥解密加密设备密钥集来获得设备密钥集，从生成识别信息和设备密钥集索引生成介质ID的ID生成单元，以及 认证单元，其根据设备密钥组，介质ID和MKB执行与外部的认证处理。

    RECORDING APPARATUS, WRITING APPARATUS, AND READING APPARATUS
    4.
    发明申请
    RECORDING APPARATUS, WRITING APPARATUS, AND READING APPARATUS 审中-公开
    记录装置，书写装置和阅读装置

    公开(公告)号：US20130117633A1

    公开(公告)日：2013-05-09

    申请号：US13729774

    申请日：2012-12-28

    申请人： Shinichi MATSUKAWA ,  Akihiro Kasahara ,  Hiroyuki Sakamoto

    发明人： Shinichi MATSUKAWA ,  Akihiro Kasahara ,  Hiroyuki Sakamoto

    IPC分类号： G06F11/10

    CPC分类号： G06F11/10 ,  G06F21/10 ,  G11B20/00086 ,  G11B20/1217 ,  G11B20/1833 ,  G11B2220/61

    摘要： According to one embodiment, a recording apparatus includes a memory and a controller. The memory is capable of recording data. The controller divides the memory into a first region and a second region and controls the recording of the data. The controller writes externally supplied data into the first region without performing error correction coding and address conversion of a logical address into a physical address for the externally supplied data, and performs the error correction coding and the address conversion for the data, and then writes resulting data into the second region.

    摘要翻译： 根据一个实施例，记录装置包括存储器和控制器。 存储器能够记录数据。 控制器将存储器分为第一区域和第二区域，并控制数据的记录。 控制器将外部提供的数据写入第一区域，而不对逻辑地址进行纠错编码和地址转换为外部提供的数据的物理地址，并对数据进行纠错编码和地址转换，然后写入 数据进入第二区域。

    RECORDING DEVICE AND CONTENT-DATA DISTRIBUTION SYSTEM
    5.
    发明申请
    RECORDING DEVICE AND CONTENT-DATA DISTRIBUTION SYSTEM 审中-公开
    记录设备和内容数据分发系统

    公开(公告)号：US20100268948A1

    公开(公告)日：2010-10-21

    申请号：US12711570

    申请日：2010-02-24

    申请人： Shinichi MATSUKAWA ,  Taku Kato ,  Akihiro Kasahara ,  Hiroshi Suu ,  Akira Miura ,  Atsushi Kondo ,  Hiroyuki Sakamoto

    发明人： Shinichi MATSUKAWA ,  Taku Kato ,  Akihiro Kasahara ,  Hiroshi Suu ,  Akira Miura ,  Atsushi Kondo ,  Hiroyuki Sakamoto

    IPC分类号： H04L9/32 ,  G06F12/14

    CPC分类号： H04L9/0822 ,  G06F21/10 ,  G06F21/42 ,  G06F21/78 ,  H04L9/0891 ,  H04L9/321 ,  H04L9/3263 ,  H04L63/0428 ,  H04L63/06 ,  H04L63/08 ,  H04L2209/60

    摘要： A recording device comprises a memory unit configured to be communicationable with an external device and to record key data for encryption of content data through an authentication process, and a controller which controls the memory unit. The memory unit comprises a normal recording unit which is accessible from the exterior through the controller without an authentication process, a protected recording unit which is accessible from the external device when authentication of a first authentication process completes, and a writing restricted/protected recording unit which is accessible from the external device when authentication of a second authentication completes and is unwritable and unaccessible from the external device when authentication of only the first authentication process completes.

    摘要翻译： 记录装置包括被配置为可以与外部设备通信的存储器单元，以及通过认证处理记录用于内容数据加密的密钥数据，以及控制存储器单元的控制器。 存储单元包括通过控制器从外部可以从外部访问而不进行认证处理的正常记录单元，当第一认证过程的认证完成时可从外部设备访问的受保护记录单元和写入限制/保护记录单元 当仅第一认证过程的认证完成时，可以从外部设备访问第二认证的认证，并且在外部设备不可访问和不可访问时。

    CONTENT DATA DISTRIBUTION SYSTEM, CONTENT DATA DELIVERY METHOD, AND SEMICONDUCTOR DEVICE
    6.
    发明申请
    CONTENT DATA DISTRIBUTION SYSTEM, CONTENT DATA DELIVERY METHOD, AND SEMICONDUCTOR DEVICE 有权
    内容数据分发系统，内容数据传送方法和半导体器件

    公开(公告)号：US20120329392A1

    公开(公告)日：2012-12-27

    申请号：US13425919

    申请日：2012-03-21

    申请人： Tsukasa Matoba ,  Shinichi Matsukawa ,  Akihiro Kasahara ,  Hiroyuki Sakamoto

    发明人： Tsukasa Matoba ,  Shinichi Matsukawa ,  Akihiro Kasahara ,  Hiroyuki Sakamoto

    IPC分类号： H04B5/00

    CPC分类号： H04B5/02 ,  H04B5/0056

    摘要： In this content data delivery method, content data is transmitted from a content server to a first semiconductor device through a network. Then, the content data, content ID identifying the content data, and route data showing a route through which the content data is transmitted are transmitted from the first semiconductor device to a second semiconductor device using close-proximity wireless communication. Thereafter, the content ID and the route data are transmitted from the second semiconductor device to the content server. In addition, based on the route data, a reward corresponding to the content ID is calculated for the first semiconductor device, and the reward is provided to the first semiconductor device.

    摘要翻译： 在该内容数据传送方法中，内容数据通过网络从内容服务器发送到第一半导体装置。 然后，使用近距离无线通信，将从内容数据，识别内容数据的内容ID和表示通过其发送内容数据的路径的路线数据从第一半导体装置发送到第二半导体装置。 此后，将内容ID和路线数据从第二半导体装置发送到内容服务器。 此外，基于路线数据，计算与第一半导体装置对应的内容ID的奖励，并向第一半导体装置提供奖励。

    Content data distribution system, content data delivery method, and semiconductor device
    9.
    发明授权
    Content data distribution system, content data delivery method, and semiconductor device 有权
    内容数据分发系统，内容数据传递方法和半导体器件

    公开(公告)号：US08818268B2

    公开(公告)日：2014-08-26

    申请号：US13425919

    申请日：2012-03-21

    申请人： Tsukasa Matoba ,  Shinichi Matsukawa ,  Akihiro Kasahara ,  Hiroyuki Sakamoto

    发明人： Tsukasa Matoba ,  Shinichi Matsukawa ,  Akihiro Kasahara ,  Hiroyuki Sakamoto

    IPC分类号： H04B5/00

    CPC分类号： H04B5/02 ,  H04B5/0056

    摘要： In this content data delivery method, content data is transmitted from a content server to a first semiconductor device through a network. Then, the content data, content ID identifying the content data, and route data showing a route through which the content data is transmitted are transmitted from the first semiconductor device to a second semiconductor device using close-proximity wireless communication. Thereafter, the content ID and the route data are transmitted from the second semiconductor device to the content server. In addition, based on the route data, a reward corresponding to the content ID is calculated for the first semiconductor device, and the reward is provided to the first semiconductor device.

    摘要翻译： 在该内容数据传送方法中，内容数据通过网络从内容服务器发送到第一半导体装置。 然后，使用近距离无线通信，将从内容数据，识别内容数据的内容ID和表示通过其发送内容数据的路径的路线数据从第一半导体装置发送到第二半导体装置。 此后，将内容ID和路线数据从第二半导体装置发送到内容服务器。 此外，基于路线数据，计算与第一半导体装置对应的内容ID的奖励，并向第一半导体装置提供奖励。

    DIGITAL SIGNATURE SERVER AND USER TERMINAL
    10.
    发明申请
    DIGITAL SIGNATURE SERVER AND USER TERMINAL 有权

    公开(公告)号：US20130132728A1

    公开(公告)日：2013-05-23

    申请号：US13511193

    申请日：2009-11-25

    申请人： Hiroshi Suu ,  Akira Miura ,  Akihiro Kasahara ,  Shinichi Matsukawa

    发明人： Hiroshi Suu ,  Akira Miura ,  Akihiro Kasahara ,  Shinichi Matsukawa

    IPC分类号： H04L9/32

    CPC分类号： H04L9/3247 ,  H04L9/0825 ,  H04L9/14 ,  H04L63/0457

    摘要： To reduce a load on a user terminal imposed when verifying signature data and at the same time reduce a load on a server, a signature key matrix KM includes a plurality of signature keys Ki-j arranged in a matrix structure of m rows and n columns, and is stored in a signature key matrix database 21. A correspondence relationship between a signature key set CK which is an aggregate of any signature keys selected from the n columns respectively and a user terminal 30 is stored in a correspondence relationship information database 22. A signature data generating unit 24 generates signature data having a matrix structure by encrypting a content digest D generated based on content data C by n number of signature keys included in the signature key matrix KM.