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    • 31. 发明申请
    • Apparatus, system, and method for providing content list in home network
    • 用于在家庭网络中提供内容列表的装置,系统和方法
    • US20060112074A1
    • 2006-05-25
    • US11270625
    • 2005-11-10
    • Hee-chul Han
    • Hee-chul Han
    • G06F17/30
    • G06F16/9535
    • Provided is an apparatus, system, and method for providing a content list in a home network, in which content information owned by a plurality of devices existing in a home network is collected and a content list is created based on the collected content information and is then provided. The system includes a content information collecting device which transmits a request for content information to a predetermined device having content existing in a home network, collects the content information, creates a content list based on the collected content information, and displays the created content list. The system also includes a content providing device which provides its content information in response to the request for content information from the content information collecting device.
    • 提供了一种用于在家庭网络中提供内容列表的装置,系统和方法,其中收集由家庭网络中存在的多个设备所拥有的内容信息,并且基于收集的内容信息创建内容列表,并且是 然后提供。 该系统包括内容信息收集装置,其将内容信息的请求发送到具有存在于家庭网络中的内容的预定装置,收集内容信息,基于所收集的内容信息创建内容列表,并显示所创建的内容列表。 该系统还包括内容提供装置,其响应于来自内容信息收集装置的内容信息的请求而提供其内容信息。
    • 32. 发明申请
    • 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
    • US20050108560A1
    • 2005-05-19
    • US10958237
    • 2004-10-06
    • Hee-chul HanYun-sang KimYang-lim ChoiSung-hyn HanYong-kuk You
    • Hee-chul HanYun-sang KimYang-lim ChoiSung-hyn HanYong-kuk You
    • G06F17/00G06F12/14G06F21/10
    • 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。
    • 33. 发明申请
    • Network device and method for providing content compatibility between network devices having different respective digital rights management methods
    • 用于提供具有不同的相应数字版权管理方法的网络设备之间的内容兼容性的网络设备和方法
    • US20050022033A1
    • 2005-01-27
    • US10874571
    • 2004-06-24
    • Hee-chul Han
    • Hee-chul Han
    • G06F17/00G06F21/00H04L9/00H04L29/06
    • H04L63/20G06F21/10
    • The present invention relates to a network device and a method for providing content compatibility between network devices having different respective digital rights management methods. The method includes exchanging security program lists of the network devices, comparing the security program list of one network device with the security program list of the other network device based on the exchanged security program lists, and installing a security program required for using content of the other network device according to the comparison result. Accordingly, there is an advantage in that the network devices using the different respective DRM-based security programs can exchange content with one another and use the content of the other network device by using the predetermined security program update methods.
    • 本发明涉及网络设备和提供具有不同的各自数字版权管理方法的网络设备之间的内容兼容性的方法。 该方法包括交换网络设备的安全程序列表,基于交换的安全程序列表将一个网络设备的安全程序列表与其他网络设备的安全程序列表进行比较,并且安装使用 其他网络设备根据比较结果。 因此,具有使用不同的各自的基于DRM的安全程序的网络设备可以彼此交换内容并且通过使用预定的安全程序更新方法来使用其他网络设备的内容的优点。