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    Apparatus and method for securely storing data
    2.
    发明申请
    Apparatus and method for securely storing data 审中-公开
    用于安全地存储数据的装置和方法

    公开(公告)号：US20060075262A1

    公开(公告)日：2006-04-06

    申请号：US11230868

    申请日：2005-09-21

    申请人： Chi-hurn Kim ,  Yong-kuk You

    发明人： Chi-hurn Kim ,  Yong-kuk You

    IPC分类号： G06F12/14

    CPC分类号： G06F21/10

    摘要： An apparatus and method for securely storing data. The apparatus for securely storing data in a predetermined device, includes: a key generator generating a protection key used to encrypt data based on a random number generated by inputting predetermined secret information in a predetermined random number generation function, and generation sequence information, which is information on a generation sequence of the random number, wherein the predetermined secret information is stored in a secure region, and the random number generation function can generate the protection key based on the generation sequence information and the secret information. As described above, the apparatus and method for storing data make it possible to securely store data even if the apparatus for storing data is replaced.

    摘要翻译： 一种用于安全地存储数据的装置和方法。 用于在预定设备中安全地存储数据的装置包括：密钥生成器，生成用于基于通过以预定随机数生成函数输入预定秘密信息而生成的随机数来加密数据的保护密钥，以及生成序列信息， 关于随机数的生成序列的信息，其中预定的秘密信息存储在安全区域中，并且随机数生成功能可以基于生成序列信息和秘密信息生成保护密钥。 如上所述，用于存储数据的装置和方法使得即使替换用于存储数据的装置也可以安全地存储数据。

    Method of revoking public key of content provider
    3.
    发明申请
    Method of revoking public key of content provider 审中-公开
    撤销内容提供商公钥的方法

    公开(公告)号：US20060129827A1

    公开(公告)日：2006-06-15

    申请号：US11298874

    申请日：2005-12-12

    申请人： Chi-hurn Kim ,  Yong-kuk You ,  Su-hyun Nam

    发明人： Chi-hurn Kim ,  Yong-kuk You ,  Su-hyun Nam

    IPC分类号： H04L9/00

    CPC分类号： H04L9/0891 ,  H04L9/3268 ,  H04L2209/60

    摘要： A method of revoking a public key of a content provider is provided. In a system in which a certificate authority certifies the public key of the content provider and the content provider transmits predetermined content to a user device using the certified public key, the method includes the user device determining whether the predetermined content is revoked by comparing a time when a signature of the public key is generated with a time when the public key is revoked. Accordingly, it is possible to allow the user device to identify content that must not be revoked according to the time when the public key is revoked and a revocation list which includes an exception list, thereby preventing rightly obtained content from being revoked.

    摘要翻译： 提供一种撤销内容提供商的公开密钥的方法。 在认证机构证明内容提供者的公开密钥并且内容提供者使用认证公钥向用户设备发送预定内容的系统中，该方法包括用户设备通过比较时间来确定预定内容是否被撤消 当公钥的签名在公钥被撤销的时间被生成时。 因此，可以允许用户设备根据公钥被撤销的时间和包括异常列表的撤销列表来识别不能被撤销的内容，从而防止正确获得的内容被撤销。

    Method and apparatus for transmitting and receiving protected contents at home
    5.
    发明申请
    Method and apparatus for transmitting and receiving protected contents at home 审中-公开
    用于在家中发送和接收受保护内容的方法和装置

    公开(公告)号：US20060045478A1

    公开(公告)日：2006-03-02

    申请号：US11200306

    申请日：2005-08-10

    申请人： Yong-kuk You ,  Chi-hurn Kim ,  Yang-lim Choi

    发明人： Yong-kuk You ,  Chi-hurn Kim ,  Yang-lim Choi

    IPC分类号： H04N5/91 ,  H04N7/167 ,  G11B15/04 ,  G11B19/04

    CPC分类号： H04N21/43632 ,  H04N21/4367

    摘要： Provided are a system and a method for transmitting and receiving contents at home. The content service method includes: reconstructing encrypted compressed contents back into compressed contents by decrypting the encrypted compressed contents according to a first scheme; encrypting the reconstructed compressed contents according to a second scheme; and transmitting the encrypted compressed contents via a predetermined link. Therefore, the encrypting and decrypting of contents are easily supported without an encoding process in a content server terminal at home.

    摘要翻译： 提供了一种在家中发送和接收内容的系统和方法。 内容服务方法包括：通过根据第一方案解密加密的压缩内容来将加密的压缩内容重新构建成压缩内容; 根据第二方案加密重建的压缩内容; 以及经由预定链路发送加密的压缩内容。 因此，在家庭内容服务器终端中没有编码处理的情况下容易地支持内容的加密和解密。

    Method of authenticating device using broadcast cryptography
    8.
    发明申请
    Method of authenticating device using broadcast cryptography 审中-公开
    使用广播加密技术验证设备的方法

    公开(公告)号：US20060075234A1

    公开(公告)日：2006-04-06

    申请号：US11169878

    申请日：2005-06-30

    申请人： Yong-kuk You ,  Chi-hurn Kim

    发明人： Yong-kuk You ,  Chi-hurn Kim

    IPC分类号： H04L9/00

    CPC分类号： H04L9/321 ,  H04L9/3226 ,  H04L2209/601

    摘要： A method of authenticating a device having its own device key allocated by an authentication server according to broadcast cryptography is disclosed. The method includes receiving a device identifier of the device and an encrypted device identifier generated by encrypting the device identifier with the device key; and examining whether or not the device identifier is identical to a decrypted device identifier generated by decrypting the encrypted device identifier with another device key corresponding to the device identifier. Therefore, it is possible to authenticate a device having its own device key allocated by an authentication server according to broadcast cryptography without using a separate public key structure.

    摘要翻译： 公开了一种认证具有根据广播密码学由认证服务器分配的其设备密钥的设备的方法。 该方法包括接收设备的设备标识符和通过用设备密钥加密设备标识符而生成的加密设备标识符; 并且检查设备标识符是否与通过使用与设备标识符相对应的另一设备密钥解密加密设备标识符而生成的解密设备标识符相同。 因此，可以不使用单独的公共密钥结构来认证具有根据广播密码学的由认证服务器分配的自己的设备密钥的设备。

    Apparatus and method for storing data
    9.
    发明申请
    Apparatus and method for storing data 审中-公开
    用于存储数据的装置和方法

    公开(公告)号：US20060072763A1

    公开(公告)日：2006-04-06

    申请号：US11244007

    申请日：2005-10-06

    申请人： Yong-kuk You ,  Yun-ho Choi ,  Chi-hurn Kim

    发明人： Yong-kuk You ,  Yun-ho Choi ,  Chi-hurn Kim

    IPC分类号： H04L9/00

    CPC分类号： H04L9/0894 ,  H04L2209/60

    摘要： Provided are an apparatus and method for storing data. The apparatus includes a directory key generator generating a directory key required for encrypting and decrypting the data by inputting a device-specific key to a key generating function, the device-specific key being unique information allocated to the device and stored in a secure region of the device. The data is stored in at least one directory, and the directory key is used in encrypting and decrypting the data in units of directories. Accordingly, it is possible to minimize consumption of resources required to encrypt and decrypt the data.

    摘要翻译： 提供了一种用于存储数据的装置和方法。 该设备包括目录密钥生成器，其通过向密钥生成功能输入特定于设备的密钥来生成用于加密和解密数据所需的目录密钥，该设备专用密钥是分配给该设备的唯一信息并存储在该安全区域中 装置。 数据存储在至少一个目录中，目录密钥用于以目录为单位加密和解密数据。 因此，可以最小化对数据进行加密和解密所需的资源的消耗。