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1. 发明授权

US10025912B2 Information processing system, reading apparatus, information processing apparatus, and information processing method 有权
公开(公告)号：US10025912B2
公开(公告)日：2018-07-17
申请号：US14944744
申请日：2015-11-18
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Taku Kato
IPC分类号： G06F21/00 , G06F21/10 , H04L9/08 , G06F21/72 , G06F21/60 , G06F21/12 , G06F21/62
摘要： According to an embodiment, a reading apparatus is connectable with an information processing apparatus connected to a server apparatus. The reading apparatus includes an authenticator, a cryptographic processor, and a transmitter. The authenticator acquires a shared key by performing an authentication/key exchanging process with the server apparatus. The cryptographic processor acquires secret information and encrypts the secret information using the shared key. The transmitter transmits the encrypted secret information to the server apparatus.

2. 发明授权

US09319389B2 Data recording device, and method of processing data recording device 有权
标题翻译：数据记录装置及数据记录装置的处理方法
公开(公告)号：US09319389B2
公开(公告)日：2016-04-19
申请号：US14293428
申请日：2014-06-02
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Taku Kato , Yuji Nagai , Tatsuyuki Matsushita
IPC分类号： G06F21/00 , H04L29/06 , H04L9/08 , H04L9/32 , G06F21/72 , G06F21/73 , G06F21/44 , G06F21/78 , G06F21/85
CPC分类号： H04L63/061 , G06F21/44 , G06F21/445 , G06F21/72 , G06F21/73 , G06F21/78 , G06F21/85 , H04L9/0844 , H04L9/0866 , H04L9/0869 , H04L9/3247 , H04L9/3263 , H04L2209/60
摘要： A controller is provided with a controller key and a first controller identification information unique to the controller. The controller generates a controller unique key unique to a respective controller based on the controller key and the first controller identification information, and a second controller identification information based on the first controller identification information. A decryptor decrypts the encrypted medium device key using the controller unique key to obtain a medium device key. An authentication/key exchange process unit performs authentication/key exchange process with the host device through an interface unit using the medium device key, the medium device key certificate and the second controller identification information to establish a secure channel.
摘要翻译：控制器具有控制器键和控制器独有的第一控制器识别信息。所述控制器基于所述控制器键和所述第一控制器识别信息生成对于相应控制器特有的控制器唯一密钥，以及基于所述第一控制器标识信息的第二控制器识别信息。解密器使用控制器唯一密钥对加密的介质设备密钥进行解密以获得中等设备密钥。认证/密钥交换处理单元通过使用介质设备密钥，介质设备密钥证书和第二控制器标识信息的接口单元与主机设备进行认证/密钥交换处理，以建立安全信道。

3. 发明授权

US09094193B2 Information recording device 有权
标题翻译：信息记录装置
公开(公告)号：US09094193B2
公开(公告)日：2015-07-28
申请号：US14250741
申请日：2014-04-11
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Taku Kato , Yuji Nagai , Tatsuyuki Matsushita
IPC分类号： G06F21/00 , H04L9/08 , H04L9/32 , G06F21/10 , G06F21/44 , G06F21/73 , G06F21/78
CPC分类号： H04L9/0869 , G06F21/10 , G06F21/445 , G06F21/73 , G06F21/78 , G06F2221/0724 , H04L9/0861 , H04L9/0866 , H04L9/3263 , H04L2209/60
摘要： A controller is provided with a controller key and a first controller identification information unique to the controller. The controller generates a controller unique key unique to a respective controller based on the controller key and the first controller identification information, and a second controller identification information based on the first controller identification information. A decryptor decrypts the encrypted medium device key using the controller unique key to obtain a medium device key. An authentication/key exchange process unit performs authentication/key exchange process with the host device through an interface unit using the medium device key and the medium device key certificate to establish the secure channel.
摘要翻译：控制器具有控制器键和控制器独有的第一控制器识别信息。所述控制器基于所述控制器键和所述第一控制器识别信息生成对于相应控制器特有的控制器唯一密钥，以及基于所述第一控制器标识信息的第二控制器识别信息。解密器使用控制器唯一密钥对加密的介质设备密钥进行解密以获得中等设备密钥。认证/密钥交换处理单元通过使用介质设备密钥和介质设备密钥证书的接口单元与主机设备进行认证/密钥交换处理，以建立安全信道。

4. 发明申请

US20140250302A1 DEVICE 审中-公开
标题翻译：设备
公开(公告)号：US20140250302A1
公开(公告)日：2014-09-04
申请号：US14257896
申请日：2014-04-21
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Yuji Nagai , Taku Kato , Tatsuyuki Matsushita
IPC分类号： H04L29/06
CPC分类号： H04L63/061 , G06F21/10
摘要： According to one embodiment, a device includes a second data generator configured to generate a session key (SKey) by encrypting a random number (RN) with the second key (HKey) in AES operation; a one-way function processor configured to generate an authentication information (Oneway-ID) by processing the secret identification information (SecretID) with the session key (SKey) in one-way function operation; and a data output interface configured to output the encrypted secret identification information (E-SecretID) and the authentication information (Oneway-ID) to outside of the device.
摘要翻译：根据一个实施例，一种设备包括：第二数据生成器，被配置为通过在AES操作中用第二密钥（HKey）加密随机数（RN）来生成会话密钥（SKey）; 单向功能处理器，被配置为通过在单向功能操作中通过会话密钥（SKey）处理秘密识别信息（SecretID）来生成认证信息（Oneway-ID）; 以及数据输出接口，被配置为将加密的秘密识别信息（E-SecretID）和认证信息（Oneway-ID）输出到设备外部。

5. 发明申请

US20140241527A1 DEVICE AND AUTHENTICATION METHOD THEREFOR 审中-公开
公开(公告)号：US20140241527A1
公开(公告)日：2014-08-28
申请号：US13773822
申请日：2013-02-22
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Yuji Nagai , Taku Kato , Tatsuyuki Matsushita , Toshihiro Suzuki , Noboru Shibata
IPC分类号： H04L9/08
CPC分类号： H04L9/0869 , H04L9/0894 , H04L9/3242 , H04L2209/60 , H04N21/4181
摘要： According to one embodiment, an authentication method includes generating, by the memory, first authentication information by calculating secret identification information with a memory session key in one-way function operation, transmitting encrypted secret identification information, a family key block, and the first authentication information to a host, and generating, by the host, second authentication information by calculating the secret identification information generated by decrypting the encrypted secret identification information with the host session key in one-way function operation. The method further includes comparing, by the host, the first authentication information with the second authentication information.

6. 发明申请

US20140237264A1 AUTHENTICATION METHOD 有权
标题翻译：认证方法
公开(公告)号：US20140237264A1
公开(公告)日：2014-08-21
申请号：US14078783
申请日：2013-11-13
申请人： Kabushiki Kaisha Toshiba
发明人： Yuji Nagai , Taku Kato , Tatsuyuki Matsushita
IPC分类号： G06F12/14
CPC分类号： G06F12/1408 , G06F2212/1052 , H04L9/0861 , H04L9/3271
摘要： According to one embodiment, an authentication method comprising: generating a second key by the first key, the first key being stored in a memory and being prohibited from being read from outside; generating a session key by the second key; generating first authentication information, the secret identification information stored in a memory and being prohibited from being read from outside; transmitting encrypted secret identification information to an external device and receiving second authentication information from the external device, the encrypted secret identification information stored in a memory and readable, the second authentication information generated based on the encrypted secret identification information; and determining whether the first authentication information and the second authentication information match.
摘要翻译：根据一个实施例，一种认证方法，包括：通过第一密钥生成第二密钥，第一密钥存储在存储器中并被禁止从外部读取; 通过第二个密钥生成会话密钥; 生成第一认证信息，存储在存储器中并被禁止从外部读取的秘密识别信息; 向外部设备发送加密的秘密识别信息并从外部设备接收第二认证信息，所述加密的秘密识别信息存储在存储器中并且可读，所述第二认证信息是基于所述加密的秘密识别信息生成的; 以及确定所述第一认证信息和所述第二认证信息是否匹配。

7. 发明申请

US20140237245A1 DEVICE AND AUTHENTICATION METHOD THEREFOR 审中-公开
公开(公告)号：US20140237245A1
公开(公告)日：2014-08-21
申请号：US13772611
申请日：2013-02-21
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Yuji NAGAI , Taku Kato , Taksuyuki Matsushita , Toshihiro Suzuki , Noboru Shibata
IPC分类号： G06F21/44
CPC分类号： G06F21/44 , G06F21/73 , G06F21/77
摘要： According to one embodiment, an authentication method includes generating, by the memory, first authentication information by calculating secret identification information with a memory session key in one-way function operation, transmitting encrypted secret identification information, a family key block, and the first authentication information to a host, and generating, by the host, second authentication information by calculating the secret identification information generated by decrypting the encrypted secret identification information with the host session key in one-way function operation. The method further includes comparing, by the host, the first authentication information with the second authentication information.

8. 发明授权

US09355045B2 Memory device for converting data received from controller controlling reading and writing of data 有权
标题翻译：用于转换从控制数据读取和写入的控制器接收的数据的存储器件
公开(公告)号：US09355045B2
公开(公告)日：2016-05-31
申请号：US14700385
申请日：2015-04-30
申请人： Kabushiki Kaisha Toshiba
发明人： Toru Kambayashi , Akihiro Kasahara , Shinichi Matsukawa , Hiroyuki Sakamoto , Taku Kato , Hiroshi Sukegawa , Yoshihiko Hirose , Atsushi Shimbo , Koichi Fujisaki
IPC分类号： G11C29/00 , G06F12/14 , G06F21/30 , H04L9/08
CPC分类号： G06F12/1466 , G06F21/30 , G06F21/79 , G06F2212/1052 , G06F2221/2107 , H04L9/08 , H04L9/0838 , H04L9/0897 , H04L2209/34 , H04L2463/062
摘要： According to one embodiment, a memory chip, which is connected to a controller that controls reading and writing of data in response to a request from an external device, includes: a memory including a special area that is a predetermined data storage area; a key storage unit that stores therein a second key that corresponds to a first key used by the external device to convert the data; a converting unit that receives, from the controller, data to be written into the special area and generates converted data by converting the data to be written using the second key; and a writing unit that writes the converted data into the special area.
摘要翻译：根据一个实施例，连接到控制器的存储器芯片，其响应于来自外部设备的请求来控制数据的读取和写入，包括：存储器，包括作为预定数据存储区域的特殊区域; 密钥存储单元，其中存储与由外部设备用于转换数据的第一密钥相对应的第二密钥; 从所述控制器接收要写入所述特殊区域的数据并通过使用所述第二密钥转换要写入的数据来生成转换数据的转换单元; 以及将转换的数据写入特殊区域的写入单元。

9. 发明申请

US20150261941A1 RECORDING DEVICE, AND CONTENT-DATA PLAYBACK SYSTEM 审中-公开
标题翻译：记录设备和内容数据回放系统
公开(公告)号：US20150261941A1
公开(公告)日：2015-09-17
申请号：US14728623
申请日：2015-06-02
申请人： Kabushiki Kaisha Toshiba
发明人： Shinichi MATSUKAWA , Taku Kato , Akihiro Kasahara , Hiroshi Suu , Atsushi Kondo , Jun Sato , Akira Miura , Hiroyuki Sakamoto
IPC分类号： G06F21/10 , G06F21/85 , G06F21/78 , H04L9/08 , G06F21/72
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.
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而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。

10. 发明授权

US08984294B2 System of authenticating an individual memory device via reading data including prohibited data and readable data 有权
标题翻译：通过读取包括禁止数据和可读数据的数据来认证单个存储器件的系统
公开(公告)号：US08984294B2
公开(公告)日：2015-03-17
申请号：US13768476
申请日：2013-02-15
申请人： Kabushiki Kaisha Toshiba
发明人： Yuji Nagai , Taku Kato , Tatsuyuki Matsushita , Toshihiro Suzuki , Noboru Shibata
IPC分类号： H04L9/14 , H04L9/08 , H04L9/32 , H04L9/12
CPC分类号： H04L9/0877 , H04L9/0897 , H04L9/3271
摘要： According to one embodiment, an authentication method includes generating, by the memory, first authentication information by calculating secret identification information with a memory session key in one-way function operation, transmitting encrypted secret identification information, a family key block, and the first authentication information to a host, and generating, by the host, second authentication information by calculating the secret identification information generated by decrypting the encrypted secret identification information with the host session key in one-way function operation. The method further includes comparing, by the host, the first authentication information with the second authentication information.
摘要翻译：根据一个实施例，一种认证方法包括：通过在单向功能操作中用存储器会话密钥计算秘密识别信息，通过存储器生成第一认证信息，发送加密的秘密识别信息，家庭密钥块和第一认证信息发送到主机，并且由主机通过计算通过用单向功能操作中的主机会话密钥对加密的秘密识别信息进行解密而生成的秘密识别信息来生成第二认证信息。该方法还包括由主机将第一认证信息与第二认证信息进行比较。

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