| Title | Speech encryption based on the synchronization of fractional-order chaotic maps |
| Publication Type | Conference Paper |
| Year of Publication | 2019 |
| Authors | Kassim, Sarah, Megherbi, Ouerdia, Hamiche, Hamid, Djennoune, Saïd, Bettayeb, Maamar |
| Conference Name | 2019 IEEE International Symposium on Signal Processing and Information Technology (ISSPIT) |
| Date Published | dec |
| Keywords | chaos, chaotic communication, chaotic cryptography, chaotic key generator, chaotic key matrix, Chaotic systems, Ciphers, composability, Correlation, cryptography, Deadbeat observer, encrypting decrypting speech, Encryption, encryption function, encryption system, exact synchronization, fractional-order chaotic map, Fractional-order chaotic systems, Histograms, input speech signal, key generation mechanism, matrix algebra, Predictive Metrics, pubcrawl, Resiliency, Robustness, speech communication, speech encryption, speech processing, synchronisation, Synchronization |
| Abstract | This work presents a new method of encrypting and decrypting speech based on a chaotic key generator. The proposed scheme takes advantage of the best features of chaotic systems. In the proposed method, the input speech signal is converted into an image which is ciphered by an encryption function using a chaotic key matrix generated from a fractional-order chaotic map. Based on a deadbeat observer, the exact synchronization of system used is established, and the decryption is performed. Different analysis are applied for analyzing the effectiveness of the encryption system. The obtained results confirm that the proposed system offers a higher level of security against various attacks and holds a strong key generation mechanism for satisfactory speech communication. |
| DOI | 10.1109/ISSPIT47144.2019.9001865 |
| Citation Key | kassim_speech_2019 |
Speech encryption based on the synchronization of fractional-order chaotic maps