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Volume 6, Number 4, 2016, Pages 1126-1134                                                                DOI:10.11948/2016074
Designing Network Encryption Machine Based on Henon Chaotic Key Algorithm
Chunlei Fan,Qi Zhang,Haoran Sun,Bingbing Song,Qun Ding
Keywords:Embedded system, Henon mapping, key stream generator, network encryption.
Abstract:
      Nowadays, embedded network products are widely used in various technological fields. However, when such products are used, the transmission of network data could not be guaranteed with high security. To address the issue, this paper designed a network encryption machine based on S3C6410 processor and DM9000 Ethernet controller. The hardware circuit of this encryption machine is designed and developed with conciseness and stability. In software design, an improved algorithm of chaotic encryption based on Henon mapping is proposed. The algorithm overcomes the shortcoming in combining Logistic and Tent chaotic sequences. Moreover, the paper demonstrates some comparative experiments about autocorrelation and randomness. The results indicate that the new algorithm based on Henon chaotic sequences has a good performance in safety and is able to meet the requirements of confidential communications.
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