PD-DM: An efficient locality-preserving block device mapper with plausible deniability

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ID: 90008
2019
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Abstract
Encryption protects sensitive data from unauthorized access, yet is not sufficient when users are forced to surrender keys under duress. In contrast, plausible deniability enables users to not only encrypt data but also deny its existence when challenged. Most existing plausible deniability work (e.g. the successful and unfortunately now-defunct TrueCrypt) tackles “single snapshot” adversaries, and cannot handle the more realistic scenario of adversaries gaining access to a device at multiple time points. Such “multi-snapshot” adversaries can simply observe modifications between snapshots and detect the existence of hidden data. Existing ideas handling “multi-snapshot” scenarios feature prohibitive overheads when deployed on practically-sized disks. This is mostly due to a lack of data locality inherent in certain standard access-randomization mechanisms, one of the building blocks used to ensure plausible deniability.
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chen2019pddmproceedings Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Chen, Chen;Anrin, Chakraborti;Radu, Sion;
Journal proceedings on privacy enhancing technologies
Year 2019
DOI
DOI not found
URL
http://www.degruyter.com/view/j/popets.2019.2019.issue-1/popets-2019-0009/popets-2019-0009.xml?format=INT
Keywords
Medicine Technology (General) Technology Science (General) Science mathematics electronic computers. computer science philosophy. psychology. religion ethics

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