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Digital objects, such as images, videos, digital warehouse are diverse in the sense of dimension and representation-precision. Conventional encryption algorithms treat all digital objects as one-dimensional data, thus they cannot make it effective to take advantage of their spatial characteristics. A cryptosystem is constructed by combining RE arrays with extended HPP model we proposed. The cryptosystem is applicable to digital object of arbitrary dimension and representation-precision. Moreover, it has the merits of spatiality, parallelism, and high efficiency. Experimental results demonstrate that the cryptosystem has satisfactory randomness and sensitivity.
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Keywords:
- physical model /
- symmetric cryptography /
- universality /
- parallel computing
[1] Xu S J, Wang J Z, Yang S X, 2008 Chin. Phys. B 17 4027
[2] Zhou Q, Wong K W, Liao X 2008 Chaos, Solitons & Fractals 38 1081
[3] Zhou Q, Chen G, Hu Y, 2011 Acta Phys. Sin. 60 044701 (in Chinese) [周 庆、 陈 钢、 胡 月 2011 60 044701]
[4] Morita K 2001 Proceedings of 3rd Int. Conf. on Machines, Computations, and Universality Chisinau, Moldova, 2001 p102
[5] Morita K 2003 Grammars and Automata for String Processing (Boca Raton: CRC) p 285
[6] Hardy J, Pazzis O, Pomeau Y 1976 Physical Review A 13 1949
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[1] Xu S J, Wang J Z, Yang S X, 2008 Chin. Phys. B 17 4027
[2] Zhou Q, Wong K W, Liao X 2008 Chaos, Solitons & Fractals 38 1081
[3] Zhou Q, Chen G, Hu Y, 2011 Acta Phys. Sin. 60 044701 (in Chinese) [周 庆、 陈 钢、 胡 月 2011 60 044701]
[4] Morita K 2001 Proceedings of 3rd Int. Conf. on Machines, Computations, and Universality Chisinau, Moldova, 2001 p102
[5] Morita K 2003 Grammars and Automata for String Processing (Boca Raton: CRC) p 285
[6] Hardy J, Pazzis O, Pomeau Y 1976 Physical Review A 13 1949
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