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Obsolete algorithm for securely erasing computer hard drives

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dbo:description
  • Algoritmo obsoleto per la cancellazione sicura dei dati dalle memorie di massa (it)
  • Obsolete algorithm for securely erasing computer hard drives (en)
  • Methode zur vollständigen Löschung von Daten auf magnetischen Speichermedien (de)
  • algorithme qui permet d'effacer le contenu d'un disque dur ou un fichier d'un ordinateur de façon sûre (fr)
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dbp:author
  • Peter Gutmann (en)
dbp:source
  • University of Auckland Department of Computer Science (en)
dbp:text
  • In the time since this paper was published, some people have treated the 35-pass overwrite technique described in it more as a kind of voodoo incantation to banish evil spirits than the result of a technical analysis of drive encoding techniques. As a result, they advocate applying the voodoo to PRML and EPRML drives even though it will have no more effect than a simple scrubbing with random data. In fact performing the full 35-pass overwrite is pointless for any drive since it targets a blend of scenarios involving all types of encoding technology, which covers everything back to 30+-year-old MFM methods . If you're using a drive which uses encoding technology X, you only need to perform the passes specific to X, and you never need to perform all 35 passes. For any modern PRML/EPRML drive, a few passes of random scrubbing is the best you can do. As the paper says, "A good scrubbing with random data will do about as well as can be expected". This was true in 1996, and is still true now. (en)
dbp:title
  • Secure Deletion of Data from Magnetic and Solid-State Memory (en)
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gold:hypernym
rdf:type
rdfs:label
  • Gutmann method (en)
  • Gutmannova metoda (cs)
  • Gutmann-Methode (de)
  • Méthode de Gutmann (fr)
  • Método Gutmann (es)
  • Metodo Gutmann (it)
  • Metoda Gutmanna (pl)
  • Метод Гутмана (ru)
  • Método de Gutmann (pt)
  • Метод Гутмана (uk)
  • 古特曼演算法 (zh)
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