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    • 40. 发明申请
    • Execution validation using header containing validation data
    • 使用包含验证数据的头执行验证
    • US20060185017A1
    • 2006-08-17
    • US11319329
    • 2005-12-28
    • David ChallenerDaryl CromerHoward LockerDavid SaffordRandall Springfield
    • David ChallenerDaryl CromerHoward LockerDavid SaffordRandall Springfield
    • G06F12/14
    • G06F21/565G06F2221/2151
    • The present invention adds a procedure to the operating system file subsystem of a processing system that significantly reduces the amount of time necessary to verify the validity of executable files. Each executable is extended with a file signature containing a header containing validation data. This header may be added to an existing ELF header, added as a new section, or placed in a file's extended attribute store. The header contains results of all previous validation checks that have been performed. The file signature is inserted, with a date stamp, into the file attributes. On execution, the system checks the previously-created file signature against a current file signature, instead of creating the file signature for every file during the execution process. Checks to ensure that the file signature is secure, and is valid and up to date, are also implemented. Only if the file signature is not valid and up-to-date does the execution program create a new file signature at the time of execution.
    • 本发明向处理系统的操作系统文件子系统添加了一个过程,其显着地减少了验证可执行文件的有效性所需的时间量。 每个可执行文件使用包含包含验证数据的标题的文件签名进行扩展。 该标题可以被添加到现有的ELF标题中,作为新的部分添加,或者被放置在文件的扩展属性存储中。 标题包含已执行的所有先前验证检查的结果。 将文件签名带有日期戳插入到文件属性中。 执行时,系统会根据当前文件签名检查先前创建的文件签名,而不是在执行过程中为每个文件创建文件签名。 检查以确保文件签名是安全的,并且是有效的和最新的,也被实现。 只有当文件签名无效且最新的执行程序在执行时才会创建新的文件签名。