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    Content delivery system and content delivery method
    1.
    发明授权
    Content delivery system and content delivery method 有权
    内容交付系统和内容交付方式

    公开(公告)号：US08538887B2

    公开(公告)日：2013-09-17

    申请号：US09999456

    申请日：2001-10-31

    申请人： Kenji Yoshino ,  Yoshihito Ishibashi ,  Toru Akishita ,  Taizo Shirai ,  Makoto Oka ,  Masaharu Yoshimori

    发明人： Kenji Yoshino ,  Yoshihito Ishibashi ,  Toru Akishita ,  Taizo Shirai ,  Makoto Oka ,  Masaharu Yoshimori

    IPC分类号： G06F21/00

    CPC分类号： H04L63/0442 ,  G06F21/10 ,  G06Q20/367 ,  G06Q30/06 ,  H04L63/0807 ,  H04L63/0869 ,  H04L2463/101 ,  H04L2463/102

    摘要： In a content delivery system, delivery of content and charging the fee of the content are performed and managed in a highly secure and effective fashion. If a content-purchasing request is transmitted from a user device to a shop server, a charging process is performed. A user device authentication server, which manages content delivery, converts an encrypted content key KpDAS(Kc) encrypted using a public key of the user device authentication server (DAS) into an encrypted content key KpDEV(Kc) encrypted using a public key KpDEV of the user device. If the charging process is successfully completed, the shop server transmits, to the user device, the encrypted content key KpDEV(Kc).

    摘要翻译： 在内容传送系统中，以高度安全和有效的方式执行和管理内容的传送和内容的收费。 如果从用户设备向店铺服务器发送内容购买请求，则执行计费处理。 管理内容传送的用户设备认证服务器将使用用户设备认证服务器（DAS）的公共密钥加密的加密内容密钥KpDAS（Kc）转换成使用公共密钥KpDEV加密的加密内容密钥KpDEV（Kc） 用户设备。 如果计费过程成功完成，则商店服务器向用户设备发送加密内容密钥KpDEV（Kc）。

    Information recording and playback system having a memory interface and method therefore
    8.
    发明授权
    Information recording and playback system having a memory interface and method therefore 失效
    具有存储器接口的信息记录和播放系统及其方法

    公开(公告)号：US07124317B2

    公开(公告)日：2006-10-17

    申请号：US10039316

    申请日：2001-10-19

    申请人： Kenji Yoshino ,  Yoshihito Ishibashi ,  Toru Akishita ,  Taizo Shirai

    发明人： Kenji Yoshino ,  Yoshihito Ishibashi ,  Toru Akishita ,  Taizo Shirai

    IPC分类号： G06F11/00

    CPC分类号： G06F21/602 ,  G06F21/78

    摘要： An information recording device includes a control unit and a memory interface unit. An ICV for each sector data of data to be stored in units of sectors is stored in the redundant part of each sector. An ECC and an ICV are stored in the redundant part of each sector, so that sector-unit ICV storage can be performed without reducing the storage capacity of the data part of the sector. processing that combines data parts by using the file system of a device can be performed similarly to conventional data combination processing that only combines data parts in which ones purely used as data are stored. The control unit does not have any load because only each sector which is regarded as valid (no interpolation) as a result of ICV checking is transmitted to the control unit, and the ICV checking is performed by the memory interface unit.

    摘要翻译： 信息记录装置包括控制单元和存储器接口单元。 用于以扇区为单位存储的数据的每个扇区数据的ICV被存储在每个扇区的冗余部分中。 ECC和ICV存储在每个扇区的冗余部分中，从而可以在不降低扇区的数据部分的存储容量的情况下执行扇区单元ICV存储。 可以类似于仅组合纯粹用作数据的数据部分被存储的常规数据组合处理来执行通过使用设备的文件系统组合数据部分的处理。 控制单元没有任何负载，因为作为ICV检查的结果被认为是有效的（无内插）的每个扇区被发送到控制单元，并且ICV检查由存储器接口单元执行。

    Data processing device, data storage device, data processing method, and program providing medium for storing content protected under high security management
    9.
    发明授权
    Data processing device, data storage device, data processing method, and program providing medium for storing content protected under high security management 失效
    数据处理装置，数据存储装置，数据处理方法以及用于存储在高安全性管理下保护的内容的程序提供媒体

    公开(公告)号：US06834333B2

    公开(公告)日：2004-12-21

    申请号：US09982668

    申请日：2001-10-18

    申请人： Kenji Yoshino ,  Yoshihito Ishibashi ,  Toru Akishita ,  Taizo Shirai ,  Takeshi Ito ,  Shigekazu Hayashi

    发明人： Kenji Yoshino ,  Yoshihito Ishibashi ,  Toru Akishita ,  Taizo Shirai ,  Takeshi Ito ,  Shigekazu Hayashi

    IPC分类号： G00F1200

    CPC分类号： G06F21/79 ,  G06F12/1483

    摘要： A data processing device includes a memory interface (I/F) unit and a control unit. When accessing a data storage device such as a memory card having a built-in flash memory, the data processing device sets a block permission table (BPT) as an access permission table in the memory I/F unit, whereby only when the BPT permits a process to be executed does the memory I/F unit access the storage device, and the memory I/F unit does not execute a process when it is out of an allowable range. Regardless of a process type performed by the control unit and a command type, the memory I/F unit always accesses the storage device in accordance with the BPT set in the memory I/F unit. This effectively prevents the rewriting of data in rewrite-prevented recording media.

    摘要翻译： 数据处理装置包括存储器接口（I / F）单元和控制单元。 当访问诸如具有内置闪存的存储卡的数据存储设备时，数据处理设备将存储器I / F单元中的块许可表（BPT）设置为访问许可表，由此仅当BPT允许 要执行的处理是存储器I / F单元访问存储设备，并且当存储器I / F单元超出允许范围时，存储器I / F单元不执行处理。 无论控制单元执行的处理类型和命令类型如何，存储器I / F单元总是按照存储器I / F单元中设置的BPT访问存储设备。 这有效地防止了重写防止记录介质中的数据重写。