Methods and systems for recovering data from corrupted archives
US7603390B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2005 |
| Grant date | Oct 13, 2009 |
| Priority date | — |
| Expiry date | Aug 31, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/1469
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.