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dc.contributor.authorSpreitzenbarth, Michael
dc.contributor.authorHolz, Thorsten
dc.contributor.editorFreiling, Felix C.
dc.date.accessioned2019-01-17T13:26:51Z
dc.date.available2019-01-17T13:26:51Z
dc.date.issued2010
dc.identifier.isbn978-3-88579-264-2
dc.identifier.issn1617-5468
dc.identifier.urihttp://dl.gi.de/handle/20.500.12116/19779
dc.description.abstractNowadays, smartphones constitute one of the most commonly used electronic devices. Today's smartphones combine a variety of different technologies: they offer in addition to excellent mobile availability and connectivity also high-speed data transfer for the user. Moreover, they are multimedia capable due to their integrated digital camera or music player, and offer a wide variety of communication services like e-mail, SMS or MMS. Consequently, they are used increasingly as a “mobile office”. In this paper, we outline the possibilities and obstacles of secure deletion, namely the problem of deleting sensitive data on a smartphone in such a way that this data cannot be restored during a later forensic investigation. In order to guarantee the complete deletion of data, it would be necessary to access the memory chip directly such that we can overwrite the address space of existing data with arbitrary data. However, this approach is not possible when dealing with smartphones due to several reasons. On the one hand, the user's activities are restricted on the device, which implies that farreaching system interventions cannot be conducted easily. On the other hand, writing on a specific physical address is hindered due to the use of “wear leveling” algorithms on flash chips, which are intended to optimize durability. We discuss these problems in detail and introduce an approach to more securely delete data under certain constraints.en
dc.language.isoen
dc.publisherGesellschaft für Informatik e.V.
dc.relation.ispartofSicherheit 2010. Sicherheit, Schutz und Zuverlässigkeit
dc.relation.ispartofseriesLecture Notes in Informatics (LNI) - Proceedings, Volume P-170
dc.titleTowards secure deletion on smartphonesen
dc.typeText/Conference Paper
dc.pubPlaceBonn
mci.reference.pages165-175
mci.conference.sessiontitleRegular Research Papers
mci.conference.locationBerlin
mci.conference.date5.-7. Oktober 2010


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