GLS coding based security solution to JPEG with the structure of aggregated compression and encryption |
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| Institution: | 1. College of Computer Science, Chongqing University, Chongqing 400044, China;2. College of Software Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China;1. College of Mathematics and Econometrics, Hunan University, Changsha, Hunan 410082, PR China;2. Hunan Women’s University, Changsha, Hunan 410002, PR China;1. Instituto Politecnico Nacional – CITEDI, Av. de IPN 1310, Mesa de Otay, Tijuana 22510, B.C., Mexico;2. Bauman Moscow State Technical University, ul. 2-aja Baumanskaja 5, Moscow 105005, Russia;1. Complex Sciences Center, Shanxi University, Taiyuan 030006, PR China;2. School of Mathematical Sciences, Shanxi University, Taiyuan 030006, PR China;3. Ecological Complexity and Modeling Laboratory, Department of Botany and Plant Sciences, University of California, Riverside, CA 92521-0124, USA;4. Department of Biology, University of California, Riverside, CA 92521, USA;1. College of Mathematics, Honghe University, Mengzi, Yunnan 661100, PR China;2. Department of Physics, Honghe University, Mengzi, Yunnan 661100, PR China |
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| Abstract: | There exists close relation among chaos, coding and cryptography. All the three can be combined into a whole as aggregated chaos-based coding and cryptography (ATC) to compress and encrypt data simultaneously. In particular, image data own high redundancy and wide transmission and thereby it is well worth doing research on ATC for image, which is very helpful to real application.JPEG with high compression ratio has not provided security. If JPEG is incorporated into powerful cryptographic features, its application can be further extended. For this reason, in this paper, GLS coding as a special form of ATC, which attains synchronous compression and encryption, is used to modify JPEG and fill its gap. An image is first initialized using DCT, quantization and run-length coding in turn, just as JPEG. Then, it is encoded and encrypted simultaneously by utilizing GLS coding and binary keystream resulting from the chaotic generator. Results demonstrate that our scheme can not only achieve good compression performance but also resist known/chosen-plaintext attacks efficiently. |
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| Keywords: | Aggregated chaos-based compression and encryption GLS Arithmetic coding DCT Quantization Run-length coding |
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