{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,1]],"date-time":"2025-11-01T13:26:08Z","timestamp":1762003568952},"reference-count":11,"publisher":"World Scientific Pub Co Pte Lt","issue":"12","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Bifurcation Chaos"],"published-print":{"date-parts":[[2001,12]]},"abstract":"<jats:p> We present a new probabilistic symmetric key encryption scheme based on the chaotic dynamics of properly designed chaotic systems. This technique exploits the concept of virtual attractors, which are not real attractors of the underlying chaotic dynamics but are created and maintained artificially. Each virtual attractor represents a symbol of the alphabet used to encode messages. The state space is partitioned over the virtual attractors creating clusters of states. The enciphering process randomizes over the set of states mapped to a virtual attractor in order to construct the ciphertext for the transmited symbol. The receiver can reconstruct perfectly this virtual state space, given the possession of the same chaotic system of difference equations with parameters tuned perfectly to those of the transmitter. Therefore, from the ciphertext chunk corresponding to a state, the virtual attractor can be derived from the details of the virtual state space. The knowledge of the virtual attractor leads to the recovery of the transmitted symbol. <\/jats:p><jats:p> We demonstrate that the new algorithm is secure, reliable and very fast. It uses discrete time chaotic recurrent systems and is simple, flexible and modular. These systems can be constructed easily dynamically from an alphanumeric encryption key. The cryptographic security of the algorithm is evaluated with combinatorial arguments. <\/jats:p>","DOI":"10.1142\/s0218127401004030","type":"journal-article","created":{"date-parts":[[2002,7,27]],"date-time":"2002-07-27T11:02:01Z","timestamp":1027767721000},"page":"3107-3115","source":"Crossref","is-referenced-by-count":24,"title":["A PROBABILISTIC SYMMETRIC ENCRYPTION SCHEME FOR VERY FAST SECURE COMMUNICATION BASED ON CHAOTIC SYSTEMS OF DIFFERENCE EQUATIONS"],"prefix":"10.1142","volume":"11","author":[{"given":"S.","family":"PAPADIMITRIOU","sequence":"first","affiliation":[{"name":"Department of Computer Engineering and Informatics, University of Patras, School of Engineering, 26110 Patras, Greece"},{"name":"Department of Medicine, University of Patras, School of Medical Physics, 26110 Patras, Greece"}]},{"given":"T.","family":"BOUNTIS","sequence":"additional","affiliation":[{"name":"Department of Mathematics, Section of  Applied Analysis, University of Patras, 26110 Patras, Greece"}]},{"given":"S.","family":"MAVROUDI","sequence":"additional","affiliation":[{"name":"Department of Medicine, University of Patras, School of Medical Physics, 26110 Patras, Greece"}]},{"given":"A.","family":"BEZERIANOS","sequence":"additional","affiliation":[{"name":"Department of Medicine, University of Patras, School of Medical Physics, 26110 Patras, Greece"}]}],"member":"219","published-online":{"date-parts":[[2011,11,20]]},"reference":[{"key":"p_1","first-page":"126","volume":"67","author":"Carrol T. 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