Title :
A New Stream Cipher Based on Coupled Map Lattices Map
Author :
Jinqiu, Lin ; Xicai, Si
Author_Institution :
Inf. & Commun. Eng. Coll., Harbin Eng. Univ., Harbin, China
fDate :
March 31 2009-April 2 2009
Abstract :
In this paper a new algorithm for designing encryption systems based on Coupled Map Lattices (CML) hyperchaotic map is introduced. The algorithm is based on the two outputs of the hyperchaotic map, using one of the output´s even bits and the otherpsilas odd bits to consist the new sequences which can be utilized as stream ciphers. The characteristic of the sequence has been analyzed which hurdles the shortcoming of mutual restriction between the successive values of the original hyperchaotic sequence, and the structure of the cryptosystem is presented, which shows that the software implementation of the scheme is easy. Finally, this paper presents analysis on the speed and security analysis.
Keywords :
chaos; cryptography; coupled map lattices map; cryptosystem structure; encryption system designs; hyperchaotic map; security analysis; software implementation; stream cipher; Chaotic communication; Computer security; Cryptography; Degradation; Design engineering; Information analysis; Information security; Lattices; Orbits; Spatiotemporal phenomena; Coupled Map Lattices; Hyperchaotic map; Sequence pseudorandom; security;
Conference_Titel :
Computer Science and Information Engineering, 2009 WRI World Congress on
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-0-7695-3507-4
DOI :
10.1109/CSIE.2009.210
