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    • 83. 发明申请
    • RELAY DEVICE
    • 继电器
    • US20110119458A1
    • 2011-05-19
    • US13013180
    • 2011-01-25
    • Natsume MatsuzakiKaoru YokotaMasao NonakaShogo HamasakiKenji Hisatomi
    • Natsume MatsuzakiKaoru YokotaMasao NonakaShogo HamasakiKenji Hisatomi
    • G06F12/16
    • G06F11/1464G06F11/1451G06F11/1456H04L67/289H04M2250/64
    • In order to allow a user to backup data, a backup system is used to transfer data from an information terminal to a backup device via a relay device. The information terminal includes a storing unit storing the data to be backed up, and includes a communication unit transmitting the data to the relay device and transferring condition information indicating a condition to be satisfied by the relay device. Further, the relay device includes (i) a storing unit storing information relating to transfer destination devices, (ii) a receiving unit receiving the data and the transfer condition information, and (iii) a transfer control unit selecting a transfer destination device that satisfies the condition indicated by the transfer condition information, and controlling transfer of the received data in accordance with the selection. The backup device includes a receiving unit receiving the data transferred by the relay device, and a storing unit storing the received data.
    • 为了允许用户备份数据,使用备份系统经由中继设备将数据从信息终端传送到备份设备。 信息终端包括存储要备份的数据的存储单元,并且包括通信单元,其将数据发送到中继装置,并传送指示中继装置要满足的条件的条件信息。 此外,中继装置包括(i)存储与传送目的地装置有关的信息的存储单元,(ii)接收数据和传送条件信息的接收单元,以及(iii)选择满足以下的传送目的地装置的传送控制单元 由转移条件信息指示的条件,以及根据选择来控制接收到的数据的传送。 备用设备包括接收由中继设备传送的数据的接收单元和存储接收到的数据的存储单元。
    • 84. 发明申请
    • AUTHENTICATION SYSTEM, AUTHENTICATION DEVICE, TERMINAL, AND VERIFYING DEVICE
    • 认证系统,认证设备,终端和验证设备
    • US20090106547A1
    • 2009-04-23
    • US11916643
    • 2006-06-02
    • Kaoru YokotaNatsume MatsuzakiMasao Nonaka
    • Kaoru YokotaNatsume MatsuzakiMasao Nonaka
    • H04L9/32G06F21/20G06F21/24
    • H04L9/3247H04L63/0823H04L2209/60
    • An authentication system, including a service use device 1 which presents blurred information obtained by blurring certification information desired to be certified, service providing devices 3a to 3c which verify the validity of blurred information presented by the service use device 1, and an authentication device 2 which supports the service use device 1 to issue valid blurred information. The authentication device 2 adds a digital signature to information including certification information and blurred information, and generates authentication information including the obtained digital signature, certification information, and blurred information (S2). The service use device 1 generates, based on the authentication information generated in the authentication device 2, blurred authentication information including blurred information selected according to an instruction from a user, instruction information representing the instruction, and a digital signature (S4). The service providing devices 3a to 3c verify the validity of blurred information indicated by instruction information included in the blurred authentication information generated by the service use device 1, based on the digital signature included in the blurred authentication information (S6).
    • 一种验证系统,包括:服务使用装置1,其提供通过使期望认证的认证信息模糊而获得的模糊信息;验证服务使用装置1呈现的模糊信息的有效性的服务提供装置3a至3c;以及认证装置2 其支持服务使用装置1发出有效的模糊信息。 认证装置2将数字签名添加到包括认证信息和模糊信息的信息,并且生成包括所获得的数字签名,认证信息和模糊信息的认证信息(S2)。 服务使用装置1基于认证装置2中生成的认证信息,生成包含根据来自用户的指示而选择的模糊信息,表示指示的指示信息和数字签名的模糊认证信息(S4)。 服务提供装置3a〜3c基于包含在模糊认证信息中的数字签名(S6),验证包含在由服务使用装置1生成的模糊认证信息中的指示信息所表示的模糊信息的有效性。
    • 85. 发明申请
    • Data Encryption Device and Data Encryption Method
    • 数据加密设备和数据加密方法
    • US20080285743A1
    • 2008-11-20
    • US11597915
    • 2006-02-10
    • Kaoru YokotaMasao Nonaka
    • Kaoru YokotaMasao Nonaka
    • H04L9/28
    • H04L9/0631H04L9/003H04L2209/08
    • A data encryption device that is capable of stopping power analysis attacks and reducing instances of speed drops and memory amount increases in encryption processing more effectively than in the past; the data encryption device performs a predetermined encryption, based on a key, on a plain text, and includes a random number generation unit (410a) which generates one core random number per round, concatenates a predetermined amount of plural core random numbers and generates a first random number; an exclusive OR unit which data-merges the plain text with the first random number and generates intermediate data (410b); and a data randomizing unit (410f, 410k) which performs a data randomizing process on the intermediate data, the data randomizing process being based on the first random number, a second random number and the key.
    • 数据加密装置能够比过去更有效地停止功率分析攻击并减少速度下降和存储量的增加,加密处理更加有效; 数据加密装置基于密钥对明文执行预定的加密,并且包括每循环产生一个核心随机数的随机数生成单元(410a),连接预定量的多个核心随机数并产生 第一个随机数; 数据合并明文与第一随机数的异或单元,生成中间数据(410b); 以及对中间数据执行数据随机化处理的数据随机化单元(410f,410k),数据随机化处理基于第一随机数,第二随机数和密钥。
    • 86. 发明申请
    • RECORDING DEVICE
    • 录音设备
    • US20080278285A1
    • 2008-11-13
    • US11951051
    • 2007-12-05
    • Hideki MatsushimaRieko AsaiManabu MaedaKaoru Yokota
    • Hideki MatsushimaRieko AsaiManabu MaedaKaoru Yokota
    • H04L9/32
    • G11B20/00695G06F21/575G06F21/78G11B20/00086G11B2220/61
    • When a recording media 10 including secure areas is inserted in an electronic terminal 30, the electronic terminal 30 reads a predetermined program from the recording media 10. As a result of processing performed by the program, the recording media 10 judges a boot state of the electronic terminal 30 when the recording media 10 is inserted in the electronic terminal 30. As a result of the judgment, when the recording media 10 is inserted in the electronic terminal 30 immediately after the electronic terminal 30 is booted, the recording media 10 imposes a loose restriction of accessing the secure areas. As a point of time when the recording media 10 is inserted in the electronic terminal 30 is nearer to a point of time when the boot of the electronic terminal 30 has been completed, the recording media 10 imposes a severer restriction of accessing the secure areas.
    • 当包括安全区域的记录介质10插入电子终端30中时,电子终端30从记录介质10读取预定程序。 作为由程序执行的处理的结果,当记录介质10插入电子终端30中时,记录介质10判断电子终端30的启动状态。 作为判断的结果,当记录介质10在电子终端30启动之后立即插入电子终端30中时,记录介质10对访问安全区域施加了松散的限制。 当电子终端30中插入记录介质10的时间点更靠近电子终端30的启动完成的时间点时,记录介质10对访问安全区域施加了更严格的限制。
    • 87. 发明申请
    • Backup System, Relay Device, Information Terminal, and Backup Device
    • 备份系统,中继设备,信息终端和备份设备
    • US20080155215A1
    • 2008-06-26
    • US11793767
    • 2006-01-20
    • Natsume MatsuzakiKaoru YokotaMasao NonakaShogo HamasakiKenji Hisatomi
    • Natsume MatsuzakiKaoru YokotaMasao NonakaShogo HamasakiKenji Hisatomi
    • G06F12/16
    • G06F11/1464G06F11/1451G06F11/1456H04L67/289H04M2250/64
    • To allow a user to easily back up data without anxiety, the present invention provides a backup system that transfers data transmitted by an information terminal device to a backup device via at least one relay device that relays the data, the information terminal device comprising: a storing unit operable to store the data to be backed up; and a communication unit operable to transmit, to the relay device, the data and transfer condition information that indicates a condition to be satisfied by the relay device and relates to protection of the data, the relay device comprising: a device information storing unit operable to store device information relating to transfer destination devices; a receiving unit operable to receive the data and the transfer condition information; and a transfer control unit operable to select, from the transfer destination devices, a transfer destination device that satisfies the condition indicated by the received transfer condition information, and to control transfer of the received data in accordance with the selection, and the backup device comprising: a backup data receiving unit operable to receive the data transferred by the relay device; and a backup data storing unit operable to store the received data.
    • 为了允许用户容易地备份数据而不用担心,本发明提供了一种备份系统,该备份系统经由至少一个中继数据的中继设备将由信息终端设备发送的数据传送到备份设备,该信息终端设备包括: 存储单元,用于存储要备份的数据; 以及通信单元,其可操作以向所述中继设备发送指示所述中继设备要满足的条件的数据和传送条件信息,并且涉及所述数据的保护,所述中继设备包括:设备信息存储单元,其可操作以 存储与传送目的地设备相关的设备信息; 接收单元,用于接收数据和传送条件信息; 以及传送控制单元,其可操作以从所述传送目的地设备中选择满足由所述接收到的传送条件信息指示的条件的传送目的地设备,以及根据所述选择来控制接收到的数据的传送,并且所述备份设备包括 :备份数据接收单元,用于接收中继设备传送的数据; 以及备用数据存储单元,用于存储所接收的数据。