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    Method of packaging broadcast contents
    1.
    发明授权
    Method of packaging broadcast contents 有权
    打包播放内容的方法

    公开(公告)号：US08301571B2

    公开(公告)日：2012-10-30

    申请号：US11402981

    申请日：2006-04-13

    申请人： Sun-nam Lee ,  Myung-sun Kim ,  Sung-hyu Han ,  Young-sun Yoon ,  Jae-heung Lee ,  Bong-seon Kim ,  Moon-young Choi

    发明人： Sun-nam Lee ,  Myung-sun Kim ,  Sung-hyu Han ,  Young-sun Yoon ,  Jae-heung Lee ,  Bong-seon Kim ,  Moon-young Choi

    IPC分类号： G06F21/00

    CPC分类号： G06Q30/02

    摘要： A method of packaging broadcast contents are provided. The method includes: extracting a copy control bit from input broadcast contents and determining whether the broadcast contents will be stored after being encrypted based on the extracted copy control bit; creating usage rule information which includes an encryption method of the broadcast contents if it is determined that the broadcast contents will be stored after being encrypted; extracting the copy control bit from each new broadcast content sequentially input and detecting broadcast contents which include copy control bits indicating that the broadcast contents will be stored without being encrypted; and encrypting the input broadcast contents through the broadcast contents before the detected broadcast contents using the encryption method and packaging and storing the encrypted broadcast contents and the usage rule information. Therefore, the unauthorized copying of broadcast contents transmitted through a digital broadcast receiver can be prevented.

    摘要翻译： 提供一种封装广播内容的方法。 该方法包括：从输入广播内容中提取复制控制位，并根据所提取的复制控制位确定是否在加密之后存储广播内容; 创建使用规则信息，如果确定在加密之后将存储广播内容，则包括广播内容的加密方法; 从每个新的广播内容中提取复制控制位，顺序地输入和检测包括指示广播内容将不被加密的复制控制位的广播内容; 并且通过使用加密方法的检测到的广播内容之前的广播内容来加密输入的广播内容，并且包装和存储加密的广播内容和使用规则信息。 因此，可以防止通过数字广播接收机发送的广播内容的未经授权的复制。

    Method of copying and decrypting encrypted digital data and apparatus therefor
    3.
    发明授权
    Method of copying and decrypting encrypted digital data and apparatus therefor 有权
    复制和解密加密数字数据的方法及其装置

    公开(公告)号：US07987361B2

    公开(公告)日：2011-07-26

    申请号：US10958237

    申请日：2004-10-06

    申请人： Hee-chul Han ,  Yun-sang Kim ,  Yang-lim Choi ,  Sung-hyu Han ,  Yong-kuk You

    发明人： Hee-chul Han ,  Yun-sang Kim ,  Yang-lim Choi ,  Sung-hyu Han ,  Yong-kuk You

    IPC分类号： H04L29/06

    CPC分类号： G11B20/00442 ,  G06F21/10 ,  G11B20/00362 ,  G11B20/00492 ,  G11B20/00557

    摘要： A method of and an apparatus for copying and decrypting encrypted digital data. The method of copying encrypted digital data includes encrypting a first media key block to be used for decryption of the encrypted digital data using a predetermined key of a second information storage medium and storing the encrypted digital data and the encrypted first media key block in the second information storage medium. Security of data encryption is heightened by not discarding an encryption key used for an initial encryption, encrypting the encryption key used for initial encryption using another encryption key used for a second encryption, and storing the encrypted encryption key with the data. Also, since unnecessary decryption and encryption of data are not repeated, the time required for copying data is reduced, and since data is transferred between apparatuses in an encrypted state, a security level is higher.

    摘要翻译： 一种用于复制和解密加密的数字数据的方法和装置。 复制加密的数字数据的方法包括使用第二信息存储介质的预定密钥加密要用于解密加密的数字数据的第一媒体密钥块，并将加密的数字数据和加密的第一媒体密钥块存储在第二媒体密钥块中 信息存储介质。 通过不丢弃用于初始加密的加密密钥来加密数据加密的安全性，使用用于第二加密的另一加密密钥加密用于初始加密的加密密钥，并将加密的加密密钥与该数据进行存储。 此外，由于不重复数据的不必要的解密和加密，所以减少了复制数据所需的时间，并且由于数据在加密状态的装置之间传送，所以安全级别更高。

    Apparatus and method for demodulating signal
    4.
    发明授权
    Apparatus and method for demodulating signal 失效
    用于解调信号的装置和方法

    公开(公告)号：US07317766B2

    公开(公告)日：2008-01-08

    申请号：US10446641

    申请日：2003-05-28

    申请人： Ki-hyun Kim ,  Sung-hyu Han ,  In-sik Park ,  Jae-Seong Shim

    发明人： Ki-hyun Kim ,  Sung-hyu Han ,  In-sik Park ,  Jae-Seong Shim

    IPC分类号： H03K9/00 ,  H04L27/00

    CPC分类号： H03M5/145 ,  G11B20/1488

    摘要： An apparatus for and a method of signal demodulation which reduces a number of calculations required for demodulating an M-bit codeword which has been modulated from an N-bit codeword. Probability data for each bit of the M-bit codeword is tested to determine if the probability data indicates a high reliability of being either a one or a zero. Bits having the high reliability are compared with corresponding bits in each of a plurality of reference codewords and the codewords having bits which match the corresponding bits having the high reliability are used along with the probability data to calculate a probability of each bit of the N-bit codeword. As a number of bits having the high reliability increases, a number of calculations required to calculate the probability of each bit of the N-bit codeword decreases.

    摘要翻译： 一种用于信号解调的装置和方法，其减少了从N比特码字调制的M位码字的解调所需的计算数量。 测试M比特码字的每个比特的概率数据，以确定概率数据是否表示是一个或一个零的高可靠性。 将具有高可靠性的比特与多个参考码字中的每一个中的相应比特进行比较，并且与概率数据一起使用具有与具有高可靠性的相应比特匹配的比特的码字，以计算N比特的每个比特的概率， 位码字。 随着具有高可靠性的多个比特数增加，计算N比特码字的每个比特的概率所需的计算量减少。

    Method of receiving session key in home network and method of reproducing content using the same
    7.
    发明申请
    Method of receiving session key in home network and method of reproducing content using the same 有权
    在家庭网络中接收会话密钥的方法和使用它们再现内容的方法

    公开(公告)号：US20060107051A1

    公开(公告)日：2006-05-18

    申请号：US11268647

    申请日：2005-11-08

    申请人： Jae-heung Lee ,  Myung-sun Kim ,  Sung-hyu Han ,  Yong-kuk You ,  Bong-seon Kim ,  Young-sun Yoon

    发明人： Jae-heung Lee ,  Myung-sun Kim ,  Sung-hyu Han ,  Yong-kuk You ,  Bong-seon Kim ,  Young-sun Yoon

    IPC分类号： H04L9/00

    CPC分类号： H04L9/0822 ,  H04L63/062 ,  H04L2209/60 ,  H04L2463/101

    摘要： A method of receiving a session key in a home network and a method of reproducing content using the same. The method of receiving a session key from a home server in a home network, includes: (a) whenever one of members of the home network changes, receiving and storing the session key and a session version indicating a session key generation sequence; (b) receiving a license necessary for reproducing predetermined content; and (c) determining a session key necessary for reproducing the predetermined content based on an encoding session version (ESV), which is a session version extracted from the license, and the stored session version. A home server transmits a session key and a session version to a user device whenever a subscriber to a home network changes, and the user device determines a session key using the session version, thereby performing a variety of domain administration by freely transmitting content between user devices.

    摘要翻译： 一种在家庭网络中接收会话密钥的方法以及使用该会话密钥再现内容的方法。 从家庭网络中的家庭服务器接收会话密钥的方法包括：（a）家庭网络的每个成员之一改变，接收和存储会话密钥以及指示会话密钥生成序列的会话版本; （b）接收再现预定内容所需的许可证; 以及（c）基于从许可证中提取的会话版本的编码会话版本（ESV）和所存储的会话版本，确定再现预定内容所必需的会话密钥。 家庭服务器每当家庭网络的用户改变时向用户设备发送会话密钥和会话版本，并且用户设备使用会话版本来确定会话密钥，从而通过在用户之间自由发送内容来执行各种域管理 设备。

    Apparatus and method for recording data on and reproducing data from storage medium
    8.
    发明申请
    Apparatus and method for recording data on and reproducing data from storage medium 审中-公开
    用于在存储介质上记录和再现数据的数据的装置和方法

    公开(公告)号：US20050141011A1

    公开(公告)日：2005-06-30

    申请号：US10994439

    申请日：2004-11-23

    申请人： Sung-hyu Han ,  Yun-sang Kim ,  Yang-lim Choi ,  Yong-kuk You ,  Hee-chul Han

    发明人： Sung-hyu Han ,  Yun-sang Kim ,  Yang-lim Choi ,  Yong-kuk You ,  Hee-chul Han

    IPC分类号： G11B20/10 ,  G06F15/00 ,  G11B20/00

    CPC分类号： G11B20/00086 ,  G11B20/00115 ,  G11B20/00195 ,  G11B20/00246 ,  G11B20/00362

    摘要： A method and apparatus for recording data on and/or reproducing data from a storage medium are provided. The recording apparatus includes an authenticating unit which authenticates a host, which transmits a write command to the apparatus, to verify whether the host is authentic; at least one job module which generates output information by processing the user data, which is included in the write command, based on disc information stored in the storage medium and device information stored in the apparatus, in response to the write command; a module selecting unit which selects the job module based on module selection information and sends the write command to the selected job module, when the host is determined to be authentic, the module selection information being contained in the write command and specifying the job module; and a recording unit which records the output information on the storage medium.

    摘要翻译： 提供了一种用于在存储介质上记录和/或再现数据的方法和装置。 记录装置包括认证单元，其认证向该装置发送写入命令的主机，以验证主机是否可信; 至少一个作业模块，其响应于所述写命令，基于存储在所述存储介质中的盘信息和存储在所述装置中的设备信息来处理包括在所述写命令中的所述用户数据来生成输出信息; 模块选择单元，其基于模块选择信息选择作业模块，并且当所述主机被确定为可靠时，将所述写入命令发送到所选择的作业模块，所述模块选择信息包含在所述写入命令中并指定所述作业模块; 以及记录单元，其将输出信息记录在存储介质上。

    Method of measuring round trip time and proximity checking method using the same
    10.
    发明授权
    Method of measuring round trip time and proximity checking method using the same 失效
    测量往返时间的方法及使用其的接近检查方法

    公开(公告)号：US07653713B2

    公开(公告)日：2010-01-26

    申请号：US11340794

    申请日：2006-01-27

    申请人： Sung-hyu Han ,  Myung-sun Kim ,  Young-sun Yoon ,  Sun-nam Lee ,  Bong-seon Kim ,  Jae-heung Lee

    发明人： Sung-hyu Han ,  Myung-sun Kim ,  Young-sun Yoon ,  Sun-nam Lee ,  Bong-seon Kim ,  Jae-heung Lee

    IPC分类号： G06F15/16

    CPC分类号： H04L12/66

    摘要： A method of measuring round trip time (RTT) and a proximity checking method using the same. The method of measuring RTT includes: transmitting a hashed second random number and starting the RTT measurement; and receiving a hashed first random number from a device that received the hashed second random number and ending the RTT measurement, thereby greatly reducing repetitive encryption and decryption operations in the proximity check using a repetitive RTT measurement.

    摘要翻译： 一种测量往返时间（RTT）的方法和使用该方法的接近检查方法。 测量RTT的方法包括：发送哈希二次随机数，开始RTT测量; 并从接收到散列的第二随机数的设备接收散列的第一随机数，并结束RTT测量，从而大大减少了使用重复RTT测量的邻近检查中的重复加密和解密操作。