A Simple Acceptance/Rejection Criterium for Sequence Generators in Symmetric Cryptography

Intelligent Symmetric Cryptography With Chaotic Map and Quantum Based Key Generator for Medical Images Infosecurity

IEEE Access ◽

10.1109/access.2021.3107608 ◽

2021 ◽

Vol 9 ◽

pp. 118624-118639

Author(s):

Chia-Hung Lin ◽

Jian-Xing Wu ◽

Pi-Yun Chen ◽

Hsiang-Yueh Lai ◽

Chien-Ming Li ◽

...

Keyword(s):

Medical Images ◽

Chaotic Map ◽

Symmetric Cryptography

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Enhanced Symmetric Cryptography for IoT using Novel Random Secret Key Approach

2020 2nd International Conference on Advancements in Computing (ICAC) ◽

10.1109/icac51239.2020.9357316 ◽

2020 ◽

Author(s):

Gopinath Sittampalam ◽

Nagulan Ratnarajah

Keyword(s):

Secret Key ◽

Symmetric Cryptography

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Symmetric Cryptography with a Chaotic Map and a Multilayer Machine Learning Network for Physiological Signal Infosecurity: Case Study in Electrocardiogram

IEEE Access ◽

10.1109/access.2021.3057586 ◽

2021 ◽

pp. 1-1

Author(s):

Chia-Hung Lin ◽

Jian-Xing Wu ◽

Pi-Yun Chen ◽

Chien-Ming Li ◽

Neng-Sheng Pai ◽

...

Keyword(s):

Machine Learning ◽

Chaotic Map ◽

Symmetric Cryptography ◽

Learning Network ◽

Physiological Signal

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Constructing Keyed Strong S-Box Using an Enhanced Quadratic Map

International Journal of Bifurcation and Chaos ◽

10.1142/s0218127421501467 ◽

2021 ◽

Vol 31 (10) ◽

pp. 2150146

Author(s):

Yuanyuan Si ◽

Hongjun Liu ◽

Yuehui Chen

Keyword(s):

Phase Diagram ◽

Fixed Point ◽

Lyapunov Exponent ◽

Uniform Distribution ◽

Bifurcation Diagram ◽

Experimental Results ◽

Kolmogorov Entropy ◽

Symmetric Cryptography ◽

Quadratic Map ◽

Nonlinear Component

As the only nonlinear component for symmetric cryptography, S-Box plays an important role. An S-Box may be vulnerable because of the existence of fixed point, reverse fixed point or short iteration cycles. To construct a keyed strong S-Box, first, a 2D enhanced quadratic map (EQM) was constructed, and its dynamic behaviors were analyzed through phase diagram, Lyapunov exponent, Kolmogorov entropy, bifurcation diagram and randomness testing. The results demonstrated that the state points of EQM have uniform distribution, ergodicity and better randomness. Then a keyed strong S-Box construction algorithm was designed based on EQM, and the fixed point, reverse fixed point, and short cycles were eliminated. Experimental results verified the algorithm’s feasibility and effectiveness.

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