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A framework for synthetic stego

Published: 13 April 2009 Publication History

Abstract

We present a technique for hiding information in stochastic settings via data-synthesizing schemes based on transform-expand-sample (Tes) processes. The technique is applicable whenever data generated by an application or process is sufficiently complex to exhibit random but structured behavior (such as in collective data transforms), and data trajectories have viable alternatives that are unverifiable or simply hard to verify. In such cases, a synthesizing procedure generates novel data that either actually replaces, or is generated instead of, application or process data. When information can be hidden in such data at levels higher than typical levels of noise, message-neutralizing attacks will fail; and if synthetic data, stego data and application/process data cannot be distinguished, secure stego transmissions can be launched. An information-theoretic model shows that such hiding techniques are arbitrarily secure. We present some experimental results.

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CSIIRW '09: Proceedings of the 5th Annual Workshop on Cyber Security and Information Intelligence Research: Cyber Security and Information Intelligence Challenges and Strategies
April 2009
952 pages
ISBN:9781605585185
DOI:10.1145/1558607
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

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Published: 13 April 2009

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