Lyapunov exponent evaluation of a digital watermarking scheme proven to be secure

Details Lyapunov exponent evaluation of a digital watermarking scheme proven to be secure Lyapunov exponent evaluation of a digital watermarking scheme proven to be secure

2012-03-03

arxiv.org/abs/1203.0692v1

Computer Science

Cryptography and Security

10 pages

Scientific paper

In our previous researches, a new digital watermarking scheme based on chaotic iterations has been introduced. This scheme was both stego-secure and topologically secure. The stego-security is to face an attacker in the "watermark only attack" category, whereas the topological security concerns other categories of attacks. Its Lyapunov exponent is evaluated here, to quantify the chaos generated by this scheme. Keywords : Lyapunov exponent; Information hiding; Security; Chaotic iterations; Digital Watermarking.

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