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    • 7. 发明授权
    • Method for secure distribution of digital data representing a multimedia content
    • 用于安全地分发表示多媒体内容的数字数据的方法
    • US08724808B2
    • 2014-05-13
    • US10343491
    • 2001-07-31
    • Eric Diehl
    • Eric Diehl
    • G06F21/00
    • H04N21/23473H04N7/1675H04N21/26606H04N21/47202H04N21/63775
    • A content server maintains a database of different content files, these files being scrambled by control words that are stored in a database. The control words are necessary for descrambling the content files. When a device requests a content file, it sends a public key to the content server, along with the request. The content server encrypts the control words with the public key and transmits both the ciphered control words and the scrambled content file to the device. In one embodiment, the device decrypts the control words, and, when a further device on the home network requests a content file, sends the scrambled content file, along with the necessary control words encrypted with a local key that may have been provided by the further device.
    • 内容服务器维护不同内容文件的数据库,这些文件被存储在数据库中的控制字加扰。 控制字对于解扰内容文件是必要的。 当设备请求内容文件时,它会向请求发送一个公钥给内容服务器。 内容服务器利用公共密钥加密控制字,并将加密的控制字和加密的内容文件两者传送到设备。 在一个实施例中,设备解密控制字,并且当家庭网络上的另一个设备请求内容文件时,发送加扰的内容文件以及用本地密钥加密的必要的控制字,该本地密钥可能由 进一步的装置。
    • 9. 发明授权
    • Process for transmitting digital data representative of a content
    • 用于发送表示内容的数字数据的处理
    • US08132201B2
    • 2012-03-06
    • US10358613
    • 2003-02-05
    • Eric Diehl
    • Eric Diehl
    • H04N7/16H04N7/167
    • H04N7/163H04N1/32128H04N21/4334H04N21/43615H04N21/43622H04N21/4627H04N21/47211H04N2005/91307H04N2201/3246H04N2201/3278
    • The process comprises the steps consisting in: (a) receiving data in a first device, the data containing at least one anticopy protection system identifier; (b) verifying whether the first device is connected to a data recording device by a digital bus; and in case of positive verification: (c) verifying whether the first device comprises a module implementing an anticopy protection system whose identifier is included in the data; and in case of positive verification: (d) offering a user access to the data according to a first mode of access (PPVR) authorizing the recording of the data; and in case of negative verification in step (b) or step (c): (e) offering a user access to the data according to a second mode of access (PPV) not authorizing the recording of the data.
    • 该过程包括以下步骤:(a)在第一设备中接收数据,所述数据包含至少一个防复制保护系统标识符; (b)验证第一设备是否通过数字总线连接到数据记录装置; 并且在正确验证的情况下:(c)验证第一设备是否包括实现其标识符包括在数据中的防复制保护系统的模块; 并且在正面验证的情况下:(d)根据授权记录数据的第一访问模式(PPVR)向用户提供访问数据; 以及在步骤(b)或步骤(c)中的否定验证的情况下:(e)根据不授权记录数据的第二访问模式(PPV)提供用户对数据的访问。
    • 10. 发明授权
    • Presence-based access control
    • 基于存在的访问控制
    • US07861294B2
    • 2010-12-28
    • US11337767
    • 2006-01-23
    • Stéphane OnnoAlain DurandEric Diehl
    • Stéphane OnnoAlain DurandEric Diehl
    • G06F21/20
    • G06F21/35
    • To access services on a device, such as a computer, a user has a portable device in two parts: a plug adapted to be inserted in a USB port and a transponder that remains about his person. In a preferred embodiment, an access manager verifies that first the plug and then the transponder are identified. If so, the access manager verifies if plug and transponder have to be paired and if they have the proper access rights for the desired service. Only then is access given. In a further embodiment, more than one transponder is needed to access a certain service. It can thus be appreciated that the invention provides a flexible and secure way to secure access to services.
    • 为了访问诸如计算机的设备上的服务,用户具有两部分的便携式设备:适于插入USB端口的插头和保持在他的人身上的应答器。 在优选实施例中,访问管理器首先验证插头然后识别应答器。 如果是这样,访问管理器验证插头和转发器是否必须配对,并且是否具有所需服务的正确访问权限。 只有这样才能获得访问权限。 在另一实施例中,需要多于一个应答器来访问特定服务。 因此可以理解,本发明提供了一种灵活和安全的方式来确保对服务的访问。