Paper Info
Title
A highly secure stream cipher based on analog-digital hybrid chaotic system
Abstract
In recent decades, an avalanche of chaos-based cryptosystems have been proposed for information security. Most of these systems are not immune to the dynamical degradation of digital chaos and many have been shown to suffer from a lack of security. In this paper, a stream cipher system based on an analog–digital hybrid chaotic system is presented. The hybrid model can construct digital chaotic maps without degeneration and guarantee synchronization of analog chaotic systems for successful decryption. Moreover, focusing on the characteristics of low-dimensional chaotic maps, a modified three-dimensional Logistic map is proposed to improve the weaknesses of uneven distribution, low complexity and limited parameter space. Combining the three-dimensional Logistic map and the hybrid model, the proposed stream cipher has advantages of huge key space, virtually infinite cycle length and tight security. In particular, it is not affected by the dynamical degradation. Performance and security analyses indicate that the proposed stream cipher is highly resistant to various chaos-based attacks and cryptanalytic attacks.
Year
DOI
Venue
2022
10.1016/j.ins.2021.12.030
Information Sciences
Keywords
DocType
Volume
Analog-digital hybrid model,Chaotic cryptography,Parameter variation,Stream cipher,Three-dimensional Logistic map
Journal
587
ISSN
Citations 
PageRank 
0020-0255
0
0.34
References 
Authors
0
2
Name
Order
Citations
PageRank
Jun Zheng121.40
Hanping Hu200.34