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SECURE METHOD OF ENFORCING CLIENT CODE VERSION UPGRADE IN DIGITAL RIGHTS MANAGEMENT SYSTEM

机译:权限管理系统中客户端代码版本升级的安全保护方法

摘要

A method for enforcing a software upgrade for software operable on a device includes receiving, at the device, a message including software-version information for the software from a domain controller. The software-version information indicates a list of approved versions of the software. The method includes determining, by the device, the software-version information from the message, and determining a current version of the software included on the device by performing a comparison of versions in the list of approved versions to the current version of the software on the device. If the current version of the software is not included in the list of approved versions, the method includes causing the device to not have or use a set of up-to-date security credentials for a set of content servers, for accessing any pieces of media on the set of content servers until the device has an approved version of the software.
机译:一种用于对可在设备上操作的软件执行软件升级的方法,包括在设备上从域控制器接收消息,该消息包括该软件的软件版本信息。软件版本信息指示软件的认可版本的列表。该方法包括由设备从消息中确定软件版本信息,以及通过将批准版本列表中的版本与当前版本的软件的当前版本进行比较来确定设备中包括的软件的当前版本。装置。如果软件的当前版本未包含在批准版本的列表中,则该方法包括使设备不具有或使用一组内容服务器的一组最新安全证书,以访问其中的任何内容。直到设备具有经过批准的软件版本为止。

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