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In this paper we propose a novel grid-scroll chaotic attractor generator based on the second generation current conveyor(CCII), which is used for hybrid image encryption of physical chaos encryption and advanced encryption standard (AES) encryption algorithm, because CCII has a higher speed and larger dynamic range than ordinary operational amplifier and can generate multiscroll physical chaotic signal with higher frequency and more complex dynamics properties. The hybrid encryption system of multiscroll physical chaos encryption and AES encryption based on the CCII, does not assure the relationship between plaintext and ciphertext, and the statistical characteristics of ciphertexts in this algorithm should be better than those of any other encryption system. The difference in statistical property of cipher text between the two cases is studied. One case is that the ciphertexts come from different schemes, i. e. the hybrid and the single stage ones, respectively, and the other is that the ciphertexts are generated by chaotic signals with different numbers of scrolls in the same algorithm. We design and implement the chaos circuit based on CCII, and simulat the encryption system. The results shown that they are in agreement with the theoretical analyses, and that the bigger number of scrolls chaotic system causes the weaker correlation of ciphertexts.
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Keywords:
- current conveyor /
- physical chaos /
- AES /
- hybrid image encryption
[1] Fu C, Lin B B, Miao Y S, Liu X, Chen J J 2011 Opt. Commun. 284 5415
[2] Tang G, Liao X F 2005 Chaos Soliton. Fract. 23 1901
[3] Zhang L H, Liao X F, Wang X B 2005 Chaos Soliton. Fract. 24 759
[4] Xiang T, Wong K W, Liao X F 2007 Chaos 17 12
[5] Pareek N K, Patidar V, Sud K K 2006 Image Vision Comput. 24 926
[6] Wong K, Kwok B, Law W 2008 Phys. Lett. A 372 2645
[7] Wang J, Jiang G P 2011 Acta Phys. Sin. 6 060503 (in Chinese) [王静, 蒋国平 2011 6 060503]
[8] Liu Y R, Wu Z M, Wu J G, Li P, Xia G Q 2012 Acta Phys. Sin. 61 024203 (in Chinese) [刘宇然, 吴正冒, 吴加贵, 李萍, 夏光琼 2012 61 024203]
[9] Ashraf A Z, Abdulnasser A R 2011 Commun. Nonlinear Sci Numer Simulat. 16 3721
[10] Qiu S S, Chen Y F,Wu M , Ma Z G, Long M, Liu X Y 2006 J. Circ Sys. 11 98 (in Chinese) [丘水生, 陈艳峰, 吴敏, 马在光, 龙敏, 刘雄英 2006 电路与系统学报 11 98]
[11] Long M, Qiu S S, Peng F 2006 Chin. J. Radio Sci. 21 74 (in Chinese) [龙敏, 丘水生, 彭飞 2006 电波科学学报 21 74]
[12] Xiang F, Xiao H J, Qiu S S 2007 J. South China Univ. Technol (Natl. Sci. Ed.) 35 31 (in Ch inese) [向菲, 肖慧娟, 丘水生 2007 华南理工大学学报(自然科学版) 35 31]
[13] Jin J X, Qiu S S 2010 Acta Phys. Sin. 59 792 (in Chinese) [晋建秀, 丘水生 2010 59 792]
[14] Sanchez L C, Trejo G R, Munoz P J M, Tlelo C E 2010 Nonlinear Dyn. 61 331
[15] Yang Z M, Zhang J, Ma Y J, Bai Y L, Ma S Q 2010 Acta Phys. Sin. 59 3007 (in Chinese) [杨志民, 张洁, 马永杰, 摆玉龙, 马胜前 2010 59 3007]
[16] Zhang Z Z 2004 Introduction to Modern Cryptography (Beijing: Beijing University of Posts and Telecomm unications Press) p106 (in Chinese) [章照止 2004 现代密码学基础 (北京: 北京邮电大学出版社) 第106页]
[17] Sanchez L C 2011 Appl. Math. Comput. 217 4350
[18] Zhang C X, Yu S M 2009 Acta Phys. Sin. 58 0120 (in Chinese) [张朝霞, 禹思敏 2009 58 0120]
[19] Ming H J, Zih H C, Jian H C, Yan H C 2007 Microprocess Microsy91 102
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[1] Fu C, Lin B B, Miao Y S, Liu X, Chen J J 2011 Opt. Commun. 284 5415
[2] Tang G, Liao X F 2005 Chaos Soliton. Fract. 23 1901
[3] Zhang L H, Liao X F, Wang X B 2005 Chaos Soliton. Fract. 24 759
[4] Xiang T, Wong K W, Liao X F 2007 Chaos 17 12
[5] Pareek N K, Patidar V, Sud K K 2006 Image Vision Comput. 24 926
[6] Wong K, Kwok B, Law W 2008 Phys. Lett. A 372 2645
[7] Wang J, Jiang G P 2011 Acta Phys. Sin. 6 060503 (in Chinese) [王静, 蒋国平 2011 6 060503]
[8] Liu Y R, Wu Z M, Wu J G, Li P, Xia G Q 2012 Acta Phys. Sin. 61 024203 (in Chinese) [刘宇然, 吴正冒, 吴加贵, 李萍, 夏光琼 2012 61 024203]
[9] Ashraf A Z, Abdulnasser A R 2011 Commun. Nonlinear Sci Numer Simulat. 16 3721
[10] Qiu S S, Chen Y F,Wu M , Ma Z G, Long M, Liu X Y 2006 J. Circ Sys. 11 98 (in Chinese) [丘水生, 陈艳峰, 吴敏, 马在光, 龙敏, 刘雄英 2006 电路与系统学报 11 98]
[11] Long M, Qiu S S, Peng F 2006 Chin. J. Radio Sci. 21 74 (in Chinese) [龙敏, 丘水生, 彭飞 2006 电波科学学报 21 74]
[12] Xiang F, Xiao H J, Qiu S S 2007 J. South China Univ. Technol (Natl. Sci. Ed.) 35 31 (in Ch inese) [向菲, 肖慧娟, 丘水生 2007 华南理工大学学报(自然科学版) 35 31]
[13] Jin J X, Qiu S S 2010 Acta Phys. Sin. 59 792 (in Chinese) [晋建秀, 丘水生 2010 59 792]
[14] Sanchez L C, Trejo G R, Munoz P J M, Tlelo C E 2010 Nonlinear Dyn. 61 331
[15] Yang Z M, Zhang J, Ma Y J, Bai Y L, Ma S Q 2010 Acta Phys. Sin. 59 3007 (in Chinese) [杨志民, 张洁, 马永杰, 摆玉龙, 马胜前 2010 59 3007]
[16] Zhang Z Z 2004 Introduction to Modern Cryptography (Beijing: Beijing University of Posts and Telecomm unications Press) p106 (in Chinese) [章照止 2004 现代密码学基础 (北京: 北京邮电大学出版社) 第106页]
[17] Sanchez L C 2011 Appl. Math. Comput. 217 4350
[18] Zhang C X, Yu S M 2009 Acta Phys. Sin. 58 0120 (in Chinese) [张朝霞, 禹思敏 2009 58 0120]
[19] Ming H J, Zih H C, Jian H C, Yan H C 2007 Microprocess Microsy91 102
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