Encryption Of Speech Signal With Multiple Secret Keys
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Published:
May 30, 2016
Keywords:
Speech signal; Encryption; Decryption; Circular shifts; DCT; DST
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Abstract
In this paper, we proposed an encryption system for speech signals based on circular shifts in row and column. This cryptosystem uses three secret keys. The original key is generated, randomly, using a pseudo noise sequence generator, and the two other keys are obtained by using the main key. The encryption system also uses Discrete Cosine Transform (DCT) or the Discrete Sine Transform (DST) to remove the signal intelligibility. Moreover, the performance of the proposed algorithm is also estimated by correlation coefficient quantity.
Article Details
How to Cite
Slimani, D., & Merazka, F. (2016). Encryption Of Speech Signal With Multiple Secret Keys. AL-Lisaniyyat, 22(2), 49-56. https://doi.org/10.61850/allj.v22i2.374
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Articles
References
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H.C. Baker and F.C Piper,Secure speech communications academic press,1985.
L.Lee,S.? Chou G.C., and C.S. Chang ;. A new frequency domain speech scrambling system which does not require frame synchronization. IEEE Transactions on communications, vol.32,pp.444-456,1984.
B.Goldburg, S.Sridharan , and E.Dawson ,Design and cryptanalysis of transform-based analog speech scramblers, IEEE Journal of selected areas on communication ,vol.11, pp.735-743,1993.
A. Jameel, M.Y. Siyal and N. Ahmed, Transform-domain and DSP based secure speech communication system .Elsevier ,Microprocessors and Microsystems , vol.31,pp.335-346,2007.
A.Matsunaga K. Koga , and M. Ohkawa, An analog speech scrambling system using the FFT Technique with High –level Security ,IEEE Journal of selected Areas in communications , vol.74,pp.540-547,1989.
B Goldburg ,E Dawson and S Sridharan ,The Automated Cryptanalysis of Analog speech scramblers , Advances in Cryptology EUROCRYPT 91, lecture notes in computer science , vol.547-1991,pp.422-430,1997.
J.Fridirich , Systemtric ciphers based on two-dimensional chaotic maps.International journal of Bifurcation and chaos ,vol.8.6, pp.1259-1284,19998.
Emad mosa,Nagy W. Messiha ,Osama zahran ,Fathi E. Abd EL –SAMIE, Chaotic encryption of speech signals , International journal of speech Technology, vol .14.4,pp.285-296,2011.
De Andrade , JF ., de campos ,M.L.R ; A polinario , J.A S peech priv cy for modern mobile communication systems ,Acoustics , Speech znd signal processing ,2008. ICASSP 2008. IEEE International Conference on ,pp.1777-1780,2008
S.Rajanarayanan and A.Pushparaghavan, Recent developments in signal encryption – A critical survey ,International journal of scientific and research publications, vol.2.6, pp.1-7,2012.
E.Mosa, N.W.MEssiha ,O.Zahran and F.E Abd El samie ,Encryption of speech signal with multiple secret keys in time and transform domains , vpl ; 13, pp.231-242,2010
NIST, Timit speech corpus ,NIST 1990.