Multi-image encryption based on synchronization of chaotic lasers and iris authentication
Multi-image encryption based on synchronization of chaotic lasers and iris authentication
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DOI：
10.1016/j.optlaseng.2012.02.009
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发表时间：
2012-07
影响因子：
4.6
通讯作者：
S. Banerjee;Sumona Mukhopadhyay;L. Rondoni
中科院分区：
文献类型：
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作者：
S. Banerjee;Sumona Mukhopadhyay;L. Rondoni
本文提出了一种利用麦克斯韦-布洛赫方程组导出的混沌激光传输灰度图像和彩色图像加密组合的新技术。该方案利用求解线性方程组的一般方法传输大小相似的单色和彩色图像的混合图像。将混沌加密后的灰度图像沿三个彩色平面沿着拼接，得到彩色图像。然后，这些图像与作为虹膜扫描的封面图像一起通过安全通道沿着传输。整个密码学与虹膜为基础的认证方案增强。一旦认证成功，就检索秘密消息。我们工作的目标被简要地概括为：（a）生物特征信息是在传输之前加密的虹膜，（B）虹膜用于个人身份识别和验证消息的完整性，（c）信息被安全地传输，该信息是由灰色图像组合而成的彩色图像，（d）传输的每个图像都通过基于混沌的密码术加密，（e）这些加密的多个图像然后在通过网络传送之前通过图像的线性组合与虹膜耦合。加密的几个层次与遍历性和随机性的混沌呈现足够的混乱和扩散属性，保证了一个万无一失的方法，在实现安全的通信，如详尽的统计方法所证明的。该结果是至关重要的，从打开一个基本的新的维度，多路复用和同时传输的几个单色和彩色图像沿着与基于生物统计学的认证和密码学的角度来看。
A new technique of transmitting encrypted combinations of gray scaled and chromatic images using chaotic lasers derived from Maxwell–Bloch's equations has been proposed. This novel scheme utilizes the general method of solution of a set of linear equations to transmit similar sized heterogeneous images which are a combination of monochrome and chromatic images. The chaos encrypted gray scaled images are concatenated along the three color planes resulting in color images. These are then transmitted over a secure channel along with a cover image which is an iris scan. The entire cryptology is augmented with an iris-based authentication scheme. The secret messages are retrieved once the authentication is successful. The objective of our work is briefly outlined as (a) the biometric information is the iris which is encrypted before transmission, (b) the iris is used for personal identification and verifying for message integrity, (c) the information is transmitted securely which are colored images resulting from a combination of gray images, (d) each of the images transmitted are encrypted through chaos based cryptography, (e) these encrypted multiple images are then coupled with the iris through linear combination of images before being communicated over the network. The several layers of encryption together with the ergodicity and randomness of chaos render enough confusion and diffusion properties which guarantee a fool-proof approach in achieving secure communication as demonstrated by exhaustive statistical methods. The result is vital from the perspective of opening a fundamental new dimension in multiplexing and simultaneous transmission of several monochromatic and chromatic images along with biometry based authentication and cryptography.