Modulator, modulation method, and method of manufacturing an optical recordable medium with enhanced security for confidential information
    41.
    发明授权
    Modulator, modulation method, and method of manufacturing an optical recordable medium with enhanced security for confidential information 有权
    调制器,调制方法和制造具有增强的机密信息安全性的光可记录介质的方法

    公开(公告)号:US07091887B2

    公开(公告)日:2006-08-15

    申请号:US11056349

    申请日:2005-02-10

    IPC分类号: H03M5/00 G11B7/0045

    摘要: A modulator includes a replacement processing unit which replaces a part of main information code-converted in a main information converter with specific information code-converted in a specific information converter and a direct-current component suppress processing unit which performs direct-current component suppress processing for the main information which has undergone the replacement processing in the replacement processing unit. The direct-current component suppress processing can be performed for the main information after the replacement processing of the main information with the specific information to prevent deterioration in direct-current component suppress characteristics due to the replacement processing.

    摘要翻译: 调制器包括替换处理单元,该替换处理单元将特定信息转换器中的特定信息代码转换的主信息代码转换的一部分替换为特定信息转换器中的代码转换器,以及执行直流分量抑制处理的直流分量抑制处理单元 对于在替换处理单元中进行了替换处理的主要信息。 可以对具有特定信息的主信息的替换处理之后的主信息执行直流分量抑制处理,以防止由替换处理引起的直流分量抑制特性的劣化。

    Optical disk reproduction apparatus and optical disk reproduction method
    42.
    发明申请
    Optical disk reproduction apparatus and optical disk reproduction method 失效
    光盘再现装置和光盘再现方法

    公开(公告)号:US20050094515A1

    公开(公告)日:2005-05-05

    申请号:US10935183

    申请日:2004-09-08

    摘要: There are provided a wobble signal reading unit configured to read a signal corresponding to a wobble formed at a predetermined track from an optical disk on which address information is recorded by applying phase modulation to the wobble formed at the track, an address information reproducing unit configured to reproduce the address information by applying phase detecting processing to the wobble signal read at the wobble signal reading unit, and binarizing an amplitude of an obtained phase detection signal by being compared with a predetermined threshold value, and a correcting unit configured to correct asymmetry of the amplitude generated in the phase detection signal obtained by the address information reproducing unit with respect to the predetermined threshold value at the time of reading the wobble signal from the predetermined track by the wobble signal reading unit.

    摘要翻译: 提供了一种摆动信号读取单元,其被配置为从对从轨道形成的摆动施加相位调制的光盘上读取对应于在预定轨道上形成的摆动的信号,所述摆动地址信息被记录在地址信息上,地址信息再现单元配置 通过对在摆动信号读取单元读取的摆动信号进行相位检测处理来再现地址信息,并将所获得的相位检测信号的幅度与预定阈值进行二值化,以及修正单元, 在通过摆动信号读取单元从预定轨迹读取摆动信号时,由地址信息再现单元获得的相位检测信号中产生的相对于预定阈值产生的振幅。

    Authenticator, authenticatee and authentication method
    43.
    发明授权
    Authenticator, authenticatee and authentication method 有权
    认证者,认证方和认证方式

    公开(公告)号:US09191210B2

    公开(公告)日:2015-11-17

    申请号:US14001609

    申请日:2011-09-26

    摘要: According to one embodiment, an authenticatee includes, a memory configured to store secret information XY, secret information XY which is created by multiply duplicating, at least twice, the secret information XY, and secret information XYE, a generation module configured to generate a random number A, a generation module configured to generate a random number D which is composed of at least a part of the generated random number A and a random number B which is received, a calculating module configured to generate data C by executing a compression calculated operation with respect to at least a part of the random number D and the secret information XY loaded from the memory, a generation module configured to generate data ν, and a bit-by-bit addition module configured to calculate an calculated result Z from the data ν and the data C.

    摘要翻译: 根据一个实施例,认证者包括:被配置为存储秘密信息XY的存储器,通过将秘密信息XY和秘密信息XYE至少两次复制复制创建的秘密信息XY,生成模块,被配置为生成随机 数字A,生成模块,被配置为生成由生成的随机数A的至少一部分和接收到的随机数B组成的随机数D;计算模块,被配置为通过执行压缩计算的操作来生成数据C 相对于随机数D的至少一部分和从存储器加载的秘密信息XY,生成模块被配置为生成数据&ngr;以及逐比特加法模块,被配置为从计算结果Z 数据&ngr 和数据C.

    SECURITY SYSTEM
    44.
    发明申请
    SECURITY SYSTEM 审中-公开
    保安系统

    公开(公告)号:US20150074421A1

    公开(公告)日:2015-03-12

    申请号:US13520092

    申请日:2012-05-25

    IPC分类号: G06F21/60 G06F21/45

    摘要: A security system includes a controller manufacturer, a key issuer, and a medium manufacturer. The controller manufacturer writes a controller key Kc and a controller unique ID (IDcu) in the controller at the time of manufacturing the controller, and transmits the controller key Kc to the key issuer. The key issuer generates a medium device key Kmd_i and a medium device key certificate Certmedia, and encrypts the medium device key Kmd_i using the controller key Kc to generate encrypted medium device key Enc(Kc, Kmd_i). The medium manufacturer decrypts the encrypted medium device key Enc(Kc, Kmd_i) received from the key issuer, using the controller key Kc in the controller, and encrypts the medium device key Kmd_i obtained by decryption using a controller unique key Kcu generated from the controller unique ID (IDcu) in the controller, and then store it in a memory.

    摘要翻译: 安全系统包括控制器制造商,密钥发行商和媒体制造商。 控制器制造商在制造控制器时将控制器密钥Kc和控制器唯一ID(IDcu)写入控制器,并将控制器密钥Kc发送到密钥发行者。 密钥发行者生成中等设备密钥Kmd_i和中等设备密钥证书Certmedia,并使用控制器密钥Kc对介质设备密钥Kmd_i进行加密,生成加密的介质设备密钥Enc(Kc,Kmd_i)。 介质制造商使用控制器中的控制器密钥Kc来解密从密钥发行者接收到的加密的媒体设备密钥Enc(Kc,Kmd_i),并使用从控制器生成的控制器唯一密钥Kcu对通过解密获得的介质设备密钥Kmd_i进行加密 控制器中的唯一ID(IDcu),然后将其存储在内存中。

    Semiconductor memory device for pseudo-random number generation
    45.
    发明授权
    Semiconductor memory device for pseudo-random number generation 有权
    用于伪随机数生成的半导体存储器件

    公开(公告)号:US08976586B2

    公开(公告)日:2015-03-10

    申请号:US13985436

    申请日:2012-02-17

    IPC分类号: G11C16/22 G06F7/58

    CPC分类号: G11C16/22 G06F7/58 G06F7/584

    摘要: According to one embodiment, a semiconductor memory device includes a memory cell array including a plurality of memory cells, a random number generation circuit configured to generate a random number, and a controller configured to control the memory cell array and the random number generation circuit. The random number generation circuit includes a random number control circuit configured to generate a random number parameter based on data which is read out from the memory cell by a generated control parameter, and a pseudo-random number generation circuit configured to generate the random number by using the random number parameter as a seed value.

    摘要翻译: 根据一个实施例,半导体存储器件包括包括多个存储器单元的存储单元阵列,被配置为产生随机数的随机数生成电路以及配置为控制存储单元阵列和随机数产生电路的控制器。 随机数生成电路包括:随机数控制电路,被配置为基于通过生成的控制参数从存储器单元读出的数据生成随机数参数;以及伪随机数生成电路,被配置为通过 使用随机数参数作为种子值。

    Storage system in which fictitious information is prevented
    46.
    发明授权
    Storage system in which fictitious information is prevented 有权
    防止虚构信息的存储系统

    公开(公告)号:US08874917B2

    公开(公告)日:2014-10-28

    申请号:US13731574

    申请日:2012-12-31

    IPC分类号: H04L9/32 G06F12/14

    摘要: According to one embodiment, a storage system includes a host device and a secure storage. The host device and the secure storage produce a bus key which is shared only by the host device and the secure storage by authentication processing, and which is used for encoding processing. The host device produces a message authentication code including a message which can be stored in the secure storage based on the bus key, and sends the produced message authentication code to the secure storage. The secure storage stores the message included in the message authentication code in accordance with instructions of the host device. The host device verifies whether the message stored in the secure storage is intended contents.

    摘要翻译: 根据一个实施例,存储系统包括主机设备和安全存储器。 主机设备和安全存储器产生总线密钥,该总线密钥仅由主机设备和安全存储器通过认证处理共享,并且用于编码处理。 主机设备产生包括可以基于总线密钥存储在安全存储器中的消息的消息认证码,并将产生的消息认证码发送到安全存储器。 安全存储器根据主机设备的指令存储包括在消息认证码中的消息。 主机设备验证存储在安全存储器中的消息是否是内容。

    Data recording device, and method of processing data recording device
    47.
    发明授权
    Data recording device, and method of processing data recording device 有权
    数据记录装置及数据记录装置的处理方法

    公开(公告)号:US08850207B2

    公开(公告)日:2014-09-30

    申请号:US13513406

    申请日:2012-03-22

    IPC分类号: G06F21/00 H04L9/08 H04L9/32

    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。

    Storage system in which fictitious information is prevented
    48.
    发明授权
    Storage system in which fictitious information is prevented 有权
    防止虚构信息的存储系统

    公开(公告)号:US08732470B2

    公开(公告)日:2014-05-20

    申请号:US13623318

    申请日:2012-09-20

    IPC分类号: H04L9/32

    摘要: According to one embodiment, a storage system includes a host device, a secure storing medium, and a non-secure storing medium. The secure storing medium includes a memory provided with a protected first storing region which stores secret information sent from the host device, and a second storing region which stores encoded contents, and a controller which carries out authentication processing for accessing the first storing region. The host device and the secure storing medium produce a bus key which is shared only by the host device and the secure storing medium by authentication processing, and which is used for encoding processing when information of the first storing region is sent and received between the host device and the secure storing medium. The host device has the capability to request the secure storing medium to send a status.

    摘要翻译: 根据一个实施例,存储系统包括主机设备,安全存储介质和非安全存储介质。 安全存储介质包括存储器,该存储器设置有存储从主机设备发送的秘密信息的受保护的第一存储区域和存储已编码内容的第二存储区域,以及执行用于访问第一存储区域的认证处理的控制器。 主机设备和安全存储介质产生总线密钥,该总线密钥仅由主机设备和安全存储介质通过认证处理共享,并且用于在主机之间发送和接收第一存储区域的信息时的编码处理 设备和安全存储介质。 主机设备具有请求安全存储介质发送状态的能力。

    Host device, semiconductor memory device, and authentication method
    49.
    发明授权
    Host device, semiconductor memory device, and authentication method 有权
    主机设备,半导体存储设备和认证方法

    公开(公告)号:US08667286B2

    公开(公告)日:2014-03-04

    申请号:US13524532

    申请日:2012-06-15

    IPC分类号: H04L9/32

    摘要: According to one embodiment, encrypted secret identification information (E-SecretID) and the key management information (FKB) are read from a memory device. Encrypted management key (E-FKey) is obtained using the key management information (FKB) and index information (k). The index information (k) and the encrypted management key (E-FKey) are transmitted to the semiconductor memory device. An index key (INK) is generated using the first key information (NKey) and the received index information (k). The encrypted management key (E-FKey) is decrypted using the index key (INK) to obtain management key (FKey), which is transmitted to the host device.

    摘要翻译: 根据一个实施例,从存储装置读取加密的秘密识别信息(E-SecretID)和密钥管理信息(FKB)。 使用密钥管理信息(FKB)和索引信息(k)获得加密管理密钥(E-FKey)。 索引信息(k)和加密管理密钥(E-FKey)被发送到半导体存储器件。 使用第一密钥信息(NKey)和接收的索引信息(k)生成索引密钥(INK)。 使用索引密钥(INK)对加密管理密钥(E-FKey)进行解密以获得被发送到主机设备的管理密钥(FKey)。

    Authenticator, authenticatee and authentication method
    50.
    发明授权
    Authenticator, authenticatee and authentication method 有权
    认证者,认证方和认证方式

    公开(公告)号:US08661527B2

    公开(公告)日:2014-02-25

    申请号:US13486684

    申请日:2012-06-01

    摘要: According to one embodiment, an authenticator which authenticates an authenticatee, which stores first key information (NKey) that is hidden, includes a memory configured to store second key information (HKey) which is hidden, a random number generation module configured to generate random number information, and a data generation module configured to generate a session key (SKey) by using the second key information (HKey) and the random number information. The authenticator is configured such that the second key information (HKey) is generated from the first key information (NKey) but the first key information (NKey) is not generated from the second key information (HKey).

    摘要翻译: 根据一个实施例,认证存储隐藏的第一密钥信息(NKey)的认证者的认证器包括被配置为存储隐藏的第二密钥信息(HKey)的存储器,被配置为生成随机数的随机数生成模块 信息和数据生成模块,被配置为通过使用第二密钥信息(HKey)和随机数信息来生成会话密钥(SKey)。 认证器被配置为使得从第一密钥信息(NKey)生成第二密钥信息(HKey),但是不从第二密钥信息(HKey)生成第一密钥信息(NKey)。