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    • 3. 发明申请
    • Apparatus, system, and method for transmitting content in home network
    • 家庭网络中传输内容的装置,系统和方法
    • US20060105749A1
    • 2006-05-18
    • US11267300
    • 2005-11-07
    • Hee-chul HanSe-huhn Hur
    • Hee-chul HanSe-huhn Hur
    • H04L12/58
    • H04L63/0428H04L12/282H04L12/2836H04L63/20H04L65/00H04L2012/2841H04N21/20
    • An apparatus, system, and method for transmitting content in a home network is provided in which predetermined content is recorded according to preprogrammed recording information set by a user. The content is transcoded and encrypted using a content storage device and then encrypted and transmitted to a user selected mobile device. The apparatus includes a receiving unit, a recording setting unit, a transcoding unit, an encrypting/authenticating unit, and a control unit. The receiving unit receives content. The recording setting unit allows a user to set preprogrammed recording information and then records the received content according to the information. The transcoding unit transcodes the recorded content. The encrypting/authenticating unit encrypts the transcoded content and performs authentication with respect to the predetermined mobile device. The control unit controls the received content, the recorded content to be transcoded, and checks the predetermined mobile device selected when the user sets preprogrammed recording.
    • 提供一种用于在家庭网络中发送内容的装置,系统和方法,其中根据由用户设置的预编程记录信息来记录预定内容。 使用内容存储设备对内容进行代码转换和加密,然后将其加密并发送给用户选择的移动设备。 该装置包括接收单元,记录设置单元,代码转换单元,加密认证单元和控制单元。 接收单元接收内容。 记录设置单元允许用户设置预编程记录信息,然后根据该信息记录接收到的内容。 代码转换单元转码记录的内容。 加密/认证单元对代码转换的内容进行加密,并对预定的移动设备进行认证。 控制单元控制接收到的内容,要被转码的记录内容,并且当用户设置预编程记录时,检查所选择的预定移动设备。
    • 9. 发明授权
    • Method of copying and decrypting encrypted digital data and apparatus therefor
    • 复制和解密加密数字数据的方法及其装置
    • US07987361B2
    • 2011-07-26
    • US10958237
    • 2004-10-06
    • Hee-chul HanYun-sang KimYang-lim ChoiSung-hyu HanYong-kuk You
    • Hee-chul HanYun-sang KimYang-lim ChoiSung-hyu HanYong-kuk You
    • H04L29/06
    • G11B20/00442G06F21/10G11B20/00362G11B20/00492G11B20/00557
    • 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.
    • 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。