计算机科学 ›› 2017, Vol. 44 ›› Issue (Z6): 356-360.doi: 10.11896/j.issn.1002-137X.2017.6A.081
朱淑芹,李俊青
ZHU Shu-qin and LI Jun-qing
摘要: 针对计算机有限数字精度的限制导致混沌序列将退化为周期序列的缺陷,提出一种参数扰动下混沌的图像加密方案。首先,对已有的一个离散混沌系统进行了改进,得到了一个新的混沌系统。其次,将已有混沌系统的状态变量作为参数扰动,来扰动新构造的混沌系统以生成参数扰动下的混沌系统。在加密方案中,利用密文反馈的方式来控制迭代次数,动态产生密钥流。实验结果和安全性分析表明,该算法具有对密钥敏感、密钥空间大、密文图像统计特性良好、密文对明文敏感、能抵抗选择明(密)文的攻击等优点。
[1] AHMAD J,HWANG S O.A Secure Image Encryption Scheme Based on Chaotic Maps and Affine Transformation[J].Multimedia Tools Applications,2015,75(21):1-26. [2] BAPTISTA M.Cryptography with Chaos[J].Physics Letters A,1998,240(1):50-54. [3] CHEN G,MAO Y,CHUI C K.A symmetric image encryption scheme based on 3d chaotic cat maps[J].Chaos Solitons Fractals,2004,1(3):749-761. [4] LI S,ZHENG X.Cryptanalysis of a Chaotic Image Encryption Method[C]∥IEEE International Symposium on Circuits and Systems,2002(ISCAS’2002),EEE,2002:708-711. [5] WANG Y,WONG K W,LIAO X,et al.A new chaos-based fast image encryption algorithm[J].Applied Soft Computing,2011,1(1):514-522. [6] 刘泉,李佩玥,章明朝,等.基于可Markov分割混沌系统的图像加密算法[J].电子与信息学报,2014,36(6):1271-1277. [7] 置与比特双重置乱的图像混沌加密算法[J].通信学报,2014,35(3):216-223. [8] 张顺,高铁杠.基于类DNA编码分组与替换的加密方案[J].电子与信息学报,2015,37(1):150-157. [9] 文昌辞,王沁,黄付敏,等.基于仿射和复合混沌的图像自适应加密算法[J].通信学报,2012,33(11):119-127. [10] 李树钧.数字化混沌密码的分析与设计[D].西安:西安交通大学,2003. [11] ALVAREZ G,LI S J.Some Basic Cryptographic Requirements for Chaos-based Cryptosystems[J].International Journal of Bifurcation and Chaos,2006,16(8):2129-2151. [12] KOCAREV L.Chaos-based Cryptography:a Brief Overview[J].IEEE Circuits and Systems Magazine,2001,1(3):6-21. [13] 罗启彬,张健.一种新的混沌伪随机序列生成方式[J].电子与信息学报,2006,28(7):1262-1265. [14] 韩双霜,闵乐泉,韩丹丹.一种基于三维离散混沌映射的伪随机数生成器[J].华中科技大学学报(自然科学版),2013,41(8):16-19. [15] WANG X,LIU L T.Cryptanalysis of a Parallel Sub-Image Encryption Method with High-Dimensional Chaos[J].Nonlinear Dynamics,2013,73(73):795-800. [16] LI C Q,ZHANG L Y,OU R,et al.Breaking a Novel ColourImage Encryption Algorithm Based on Chaos[J].Nonlinear Dynamics,2012,70(4):2383-2388. [17] ZHU C,LIAO C L,DENG X.Breaking and Improving an Image Encryption Scheme Based on Total Shuffling Scheme[J].Nonlinear Dynamics,2013,71(1/2):25-34. [18] 朱从旭,卢庆.对结合超混沌序列和移位运算图像密码的攻击[J].山东大学学报(理学版),2016,1(6):67-71. [19] ZHU C.A Novel Image Encryption Scheme Based on Improved Hyperchaotic Sequences[J].Optics Communications,2012,5(1):29-37. [20] 廖琪男,卢守东,孙宪波.结合超混沌序列和移位密码的数字图像加密算法[J].小型微型计算机系统,2015,36(2):332-337. [21] SHI Y M,CHENG G R.Discrete Chaos in Banach Spaces[J].Science in China Series A:Mathematics,2005,48(2):222-238. [22] LIAN S.Efficient Image or Video Encryption Based on Spatiotemporal Chaos System[J].Chaos,Solitons & Fractals,2009,40(5):2509-2519. [23] BENIA S,AKHSHANI A,MAHMODI H,et al.A Novel Algorithm for Image Encryption Based on Mixture of Chaotic Maps[J].Chaos,Solitons & Fractals,2008,5(2):408-419. [24] WANG X Y,TENG L,QIN X.A novel colour image encryption algorithm based on chaos[J].Signal Processing,2012,2(4):1101-1108. |
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