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    • 8. 发明公开
    • Improved authentication system for gaming machines related application data
    • Verbessertes Authentifizierungssystemfürmit Spielautomaten verbunen Anwendungsdaten
    • EP1986121A2
    • 2008-10-29
    • EP08251506.5
    • 2008-04-23
    • Bally Gaming Inc.
    • Crowder, Robert W.,Green, Anthony E..
    • G06F21/00G07F17/32G07F17/34
    • H04L9/3247A63F2300/201G06F9/4403G06F21/51G06F21/575G06F21/64G06F2221/2109G07F17/32G07F17/3202G07F17/3241H04L2209/56H04L2209/60
    • Disclosed is a system and method that uses digital signature technology to authenticate the contents of one or more manifests located on a storage device. Each manifest contains a list of file records, where each record contains the name of a file stored on the storage device, and a signature value derived from the contents of the file. At boot time, the gaming machine first authenticates the contents of the manifest and then authenticates the contents of the files using the signature value stored in the manifest. Files are verified using the signature, as they are needed, during the boot up of the operating system and throughout normal operation. This method reduces the boot time of the gaming machine and eliminates the need to check digital signatures for each individual file or over the entire contents of a non-secure media.
      Similarly, a method of adding authentication ability to legacy software components without necessarily altering the legacy software components is disclosed. Introduction of a stronger authentication algorithm, or when a private key has been compromised would normally require the software component to be re-built to support the new algorithm or private/public key pair; however, a method is disclosed where algorithms and key pairs may be changed and applied to legacy software without having to re-built, re-test, re-sign, or re-submit the component to regulatory agencies for approval. Also disclosed is a system and method of establishing a trusted environment containing a gaming operating system and associated authentication module, file system drivers, and/or network drivers that may be used to in the process of authenticating contents of one or more manifests located on a storage device.
    • 公开了一种使用数字签名技术来鉴别位于存储设备上的一个或多个清单的内容的系统和方法。 每个清单包含文件记录的列表,其中每个记录包含存储在存储设备上的文件的名称,以及从该文件的内容导出的签名值。 在启动时,游戏机首先对清单的内容进行身份验证,然后使用存储在清单中的签名值来验证文件的内容。 在操作系统启动期间和整个正常操作期间,文件将根据需要使用签名进行验证。 该方法减少了游戏机的启动时间,并且不需要检查每个单独文件的数字签名或非安全媒体的整个内容。 类似地,公开了一种向传统软件组件添加认证能力而不必改变传统软件组件的方法。