Methods and systems for recovering data from corrupted archives

Systems and methods are disclosed for recovering data. The disclosed systems and methods may include locating a central directory in a file archive. Furthermore, the disclosed systems and methods may include determining that a local header located in the file archive is authentic if at least one of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Jump, Dan, Hua, Li, Leet, Simon, Pollock, Josh, Walker, Scott
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Systems and methods are disclosed for recovering data. The disclosed systems and methods may include locating a central directory in a file archive. Furthermore, the disclosed systems and methods may include determining that a local header located in the file archive is authentic if at least one of a plurality of records in the local header match at least one of a corresponding record in the central directory. The local header may be located in the file archive using an offset specified in the central directory. Moreover, the disclosed systems and methods may include determining that the local header is valid and recovering item data associated with the local header if the local header is authentic and valid.