Steganography and Broadcasting
Fabrice P. Tachago, Stephane G. R. Ekodeck, Rene Ndoundam

TL;DR
This paper reviews existing steganographic systems, identifies their flaws, and proposes two new deterministic methods for email communication that are more efficient, requiring fewer resources to hide each secret bit.
Contribution
The paper introduces two novel deterministic steganographic systems for email that improve efficiency by reducing resource usage compared to prior methods.
Findings
Existing systems have concealment and efficiency issues.
Proposed systems require only one document and one sampling operation per secret bit.
The new methods significantly reduce run-time and resource consumption.
Abstract
Informally, steganography is the process of exchanging a secret message between two communicating entities so that an eavesdropper may not know that a message has been sent. After a review of some steganographic systems, we found that these systems have some defects. First, there are situations in which some concealment algorithms do not properly hide a secret message. Second, to conceal one bit of a secret message, some ask at least five documents and make at least two sampling operations, thus increasing their run-times. Considering the different ways to communicate with the receiver, we propose two steganographic systems adapted to the email communication whose algorithms are deterministic. To hide one bit of a secret message, our steganographic systems need only one document and performs one sampling operation and therefore significantly reduces the run-time.
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Taxonomy
TopicsAdvanced Steganography and Watermarking Techniques · Chaos-based Image/Signal Encryption · Digital Media Forensic Detection
