MobiCeal: Towards secure and practical plausibly deniable encryption on mobile devices

We introduce MobiCeal, the first practical Plausibly Deniable Encryption (PDE) system for mobile devices that can defend against strong coercive multi-snapshot adversaries, who may examine the storage medium of a user's mobile device at different points of time and force the user to decrypt dat...

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Main Authors: CHANG, Bing, ZHANG, Fengwei, CHEN, Bo, LI, Yingjiu, ZHU, Wen Tao, TIAN, Yangguang, WANG, Zhan, CHING, Albert
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Language:English
Published: Institutional Knowledge at Singapore Management University 2018
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Online Access:https://ink.library.smu.edu.sg/sis_research/4100
https://ink.library.smu.edu.sg/context/sis_research/article/5103/viewcontent/mobiceal_dsn18_afv.pdf
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Institution: Singapore Management University
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spelling sg-smu-ink.sis_research-51032020-04-08T03:46:57Z MobiCeal: Towards secure and practical plausibly deniable encryption on mobile devices CHANG, Bing ZHANG, Fengwei CHEN, Bo LI, Yingjiu ZHU, Wen Tao TIAN, Yangguang WANG, Zhan CHING, Albert We introduce MobiCeal, the first practical Plausibly Deniable Encryption (PDE) system for mobile devices that can defend against strong coercive multi-snapshot adversaries, who may examine the storage medium of a user's mobile device at different points of time and force the user to decrypt data. MobiCeal relies on 'dummy write' to obfuscate the differences between multiple snapshots of storage medium due to existence of hidden data. By incorporating PDE in block layer, MobiCeal supports a broad deployment of any block-based file systems on mobile devices. More importantly, MobiCeal is secure against side channel attacks which pose a serious threat to existing PDE schemes. A proof of concept implementation of MobiCeal is provided on an LG Nexus 4 Android phone using Android 4.2.2. It is shown that the performance of MobiCeal is significantly better than prior PDE systems against multi-snapshot adversaries. 2018-06-01T07:00:00Z text application/pdf https://ink.library.smu.edu.sg/sis_research/4100 info:doi/10.1109/DSN.2018.00054 https://ink.library.smu.edu.sg/context/sis_research/article/5103/viewcontent/mobiceal_dsn18_afv.pdf http://creativecommons.org/licenses/by-nc-nd/4.0/ Research Collection School Of Computing and Information Systems eng Institutional Knowledge at Singapore Management University Fast Switching Mobile Security Multi snapshot Adversary Plausibly Deniable Encryption Side Channel Attack Information Security
institution Singapore Management University
building SMU Libraries
continent Asia
country Singapore
Singapore
content_provider SMU Libraries
collection InK@SMU
language English
topic Fast Switching
Mobile Security
Multi snapshot Adversary
Plausibly Deniable Encryption
Side Channel Attack
Information Security
spellingShingle Fast Switching
Mobile Security
Multi snapshot Adversary
Plausibly Deniable Encryption
Side Channel Attack
Information Security
CHANG, Bing
ZHANG, Fengwei
CHEN, Bo
LI, Yingjiu
ZHU, Wen Tao
TIAN, Yangguang
WANG, Zhan
CHING, Albert
MobiCeal: Towards secure and practical plausibly deniable encryption on mobile devices
description We introduce MobiCeal, the first practical Plausibly Deniable Encryption (PDE) system for mobile devices that can defend against strong coercive multi-snapshot adversaries, who may examine the storage medium of a user's mobile device at different points of time and force the user to decrypt data. MobiCeal relies on 'dummy write' to obfuscate the differences between multiple snapshots of storage medium due to existence of hidden data. By incorporating PDE in block layer, MobiCeal supports a broad deployment of any block-based file systems on mobile devices. More importantly, MobiCeal is secure against side channel attacks which pose a serious threat to existing PDE schemes. A proof of concept implementation of MobiCeal is provided on an LG Nexus 4 Android phone using Android 4.2.2. It is shown that the performance of MobiCeal is significantly better than prior PDE systems against multi-snapshot adversaries.
format text
author CHANG, Bing
ZHANG, Fengwei
CHEN, Bo
LI, Yingjiu
ZHU, Wen Tao
TIAN, Yangguang
WANG, Zhan
CHING, Albert
author_facet CHANG, Bing
ZHANG, Fengwei
CHEN, Bo
LI, Yingjiu
ZHU, Wen Tao
TIAN, Yangguang
WANG, Zhan
CHING, Albert
author_sort CHANG, Bing
title MobiCeal: Towards secure and practical plausibly deniable encryption on mobile devices
title_short MobiCeal: Towards secure and practical plausibly deniable encryption on mobile devices
title_full MobiCeal: Towards secure and practical plausibly deniable encryption on mobile devices
title_fullStr MobiCeal: Towards secure and practical plausibly deniable encryption on mobile devices
title_full_unstemmed MobiCeal: Towards secure and practical plausibly deniable encryption on mobile devices
title_sort mobiceal: towards secure and practical plausibly deniable encryption on mobile devices
publisher Institutional Knowledge at Singapore Management University
publishDate 2018
url https://ink.library.smu.edu.sg/sis_research/4100
https://ink.library.smu.edu.sg/context/sis_research/article/5103/viewcontent/mobiceal_dsn18_afv.pdf
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