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    • 3. 发明申请
    • System And Method For Deterministic Generation Of A Common Content Encryption Key On Distinct Encryption Units
    • 用于确定性生成不同加密单元的公共内容加密密钥的系统和方法
    • US20130121487A1
    • 2013-05-16
    • US12790512
    • 2010-05-28
    • Noam LorberbaumSunil C. AgrawalKatherine K. Nadell
    • Noam LorberbaumSunil C. AgrawalKatherine K. Nadell
    • H04L9/06
    • H04L9/0861H04L2209/60H04N21/23476H04N21/2541H04N21/4405H04N21/4627
    • Various embodiments of a system and method for deterministic generation of a common content encryption key on distinct encryption units are described. Embodiments may include, for each given content item of multiple content items that represent one or more portions of a common media object, controlling a different encryption unit of multiple distinct encryption units to i) generate a content encryption key for the given content item based on: a common base secret shared by the multiple distinct encryption units, and an identifier specific to the media object, and ii) encrypt the given content item with the respective content encryption key generated for that content item in order to generate a respective encrypted content item. Each content encryption key generated for a given content item may be equivalent to each other content encryption key such that decryption of each encrypted content item requires a common decryption key.
    • 描述用于在不同的加密单元上确定性地生成公共内容加密密钥的系统和方法的各种实施例。 对于表示公共媒体对象的一个​​或多个部分的多个内容项目的每个给定内容项目,实施例可以包括控制多个不同加密单元的不同加密单元,以便i)基于以下内容生成给定内容项目的内容加密密钥: :由多个不同的加密单元共享的公共基本秘密,以及媒体对象特有的标识符,以及ii)使用针对该内容项目生成的相应内容加密密钥对给定内容项进行加密,以便生成相应的加密内容项 。 为给定内容项生成的每个内容加密密钥可以等同于彼此的内容加密密钥,使得每个加密的内容项的解密需要公用解密密钥。
    • 4. 发明授权
    • System and method for deterministic generation of a common content encryption key on distinct encryption units
    • 用于在不同加密单元上确定性地生成公共内容加密密钥的系统和方法
    • US09225520B2
    • 2015-12-29
    • US12790512
    • 2010-05-28
    • Noam LorberbaumSunil C. AgrawalKatherine K. Nadell
    • Noam LorberbaumSunil C. AgrawalKatherine K. Nadell
    • H04L9/08H04N21/254H04N21/4405H04N21/4627H04N21/2347
    • H04L9/0861H04L2209/60H04N21/23476H04N21/2541H04N21/4405H04N21/4627
    • Various embodiments of a system and method for deterministic generation of a common content encryption key on distinct encryption units are described. Embodiments may include, for each given content item of multiple content items that represent one or more portions of a common media object, controlling a different encryption unit of multiple distinct encryption units to i) generate a content encryption key for the given content item based on: a common base secret shared by the multiple distinct encryption units, and an identifier specific to the media object, and ii) encrypt the given content item with the respective content encryption key generated for that content item in order to generate a respective encrypted content item. Each content encryption key generated for a given content item may be equivalent to each other content encryption key such that decryption of each encrypted content item requires a common decryption key.
    • 描述用于在不同的加密单元上确定性地生成公共内容加密密钥的系统和方法的各种实施例。 对于表示公共媒体对象的一个​​或多个部分的多个内容项目的每个给定内容项目,实施例可以包括控制多个不同加密单元的不同加密单元,以便i)基于以下内容生成给定内容项目的内容加密密钥: :由多个不同的加密单元共享的公共基本秘密,以及媒体对象特有的标识符,以及ii)使用针对该内容项目生成的相应内容加密密钥对给定内容项进行加密,以便生成相应的加密内容项 。 为给定内容项生成的每个内容加密密钥可以等同于彼此的内容加密密钥,使得每个加密的内容项的解密需要公用解密密钥。