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Adding Secure Deletion to an Encrypted File System on Android Smartphones

Authors:
Alexandre Braga
Alfredo Colito

Keywords: secure delete; secure storage; encrypted file system; flash memory; mobile devices; Android

Abstract:
Nowadays, mobile devices are powerful enough to accomplish most of the tasks previously accomplished only by personal computers; that includes file management. However, on many devices the file deletion operation misleads the user into thinking that the file has been permanently removed, when that is usually not the case. Also, with the increasing use of encryption, attackers have been directed to weaker targets. One of them is the recovery of supposedly deleted data from flash memories. This paper describes a way to integrate secure deletion technologies in an encrypted file system in Android smartphones.

Pages: 106 to 110

Copyright: Copyright (c) IARIA, 2014

Publication date: November 16, 2014

Published in: conference

ISSN: 2162-2116

ISBN: 978-1-61208-376-6

Location: Lisbon, Portugal

Dates: from November 16, 2014 to November 20, 2014