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New hardware Cryptosystem based chaos for the secure real-time of embedded applications

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4 Author(s)
Azzaz, M.S. ; LICM, Paul Verlaine Univ. of Metz, Metz, France ; Tanougast, C. ; Sadoudi, S. ; Dandache, A.

This paper proposes a new Cryptosystem for encryption of the real-time embedded applications. The proposed hardware architecture is based on a chaotic rule switching of several three-dimensional continuous chaotic data generators. The originality of the proposed approach is a new stream chaotic key generator used for real time data encrypt and decrypt. Our architecture, implemented in Virtex Xilinx FPGA technology, is particularly attractive since it provides a very low-cost security solution while holding or increasing the throughput rate encryption. Moreover, the application and experimental results for speech encrypted signal effectively hides the original speech signal after synchronization between the transmitter and the receiver which decrypted recovers the original speech signal with reasonable inteligibility.

Published in:

Signal Processing Systems (SiPS), 2011 IEEE Workshop on

Date of Conference:

4-7 Oct. 2011