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Extracting Messages Masked by Chaos
Abstract
We show how to extract messages that are masked by a chaotic signal in a system of two Lorenz oscillators. This mask removal is done for two different modes of transmission: a digital one, where a parameter of the sender is switched between two values, and an analog mode, where a small amplitude message is added to the carrier signal. We achieve this without using a second Lorenz oscillator as a receiver, and without doing a full reconstruction of the dynamics. This method is robust with respect to transformations that impede the unmasking using a Lorenz receiver, and is not affected by the broadband noise that is inherent to the synchronization process. We also discuss the limitations of this way of extraction for messages in high frequency bands.
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Cited by
SOME BASIC CRYPTOGRAPHIC REQUIREMENTS FOR CHAOS-BASED CRYPTOSYSTEMS
ALVAREZ, G., & LI, S. (2006) · International Journal of Bifurcation and Chaos · doi:10.1142/s0218127406015970 · Cited by 2,119
Fundamentals of synchronization in chaotic systems, concepts, and applications
Pecora, L. M., Carroll, T. L., Johnson, G. A., Mar, D. J., & Heagy, J. F. (1997) · Chaos: An Interdisciplinary Journal of Nonlinear Science · doi:10.1063/1.166278 · Cited by 862
Cryptosystems with discretized chaotic maps
Masuda, N., & Aihara, K. (2002) · IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications · doi:10.1109/81.974872 · Cited by 265
A modified method of a class of recently presented cryptosystems
Huang, F., & Guan, Z.-H. (2005) · Chaos, Solitons & Fractals · doi:10.1016/j.chaos.2004.07.031 · Cited by 40
Image Encryption and Chaotic Cellular Neural Network
Peng, J., & Zhang, D. (2009) · Machine Learning in Cyber Trust · doi:10.1007/978-0-387-88735-7_8 · Cited by 9
Metadata
- Authors
- Pérez, G., & Cerdeira, H.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1995-03
- Volume
- 74
- Issue
- 11
- Pages
- 1970-1973
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2043964945
- Cited by
- 505
- References
- 0
- FWCI
- 17.87
- Type
- journal article
- Language
- en
- Open access
- closed
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- Pérez, G., & Cerdeira, H. (1995). Extracting Messages Masked by Chaos. Physical Review Letters. https://doi.org/10.1103/physrevlett.74.1970
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