Chaotic coding and cryptoanalysis

This paper deals with principles of hiding information by chaotic coders and methods of attacking these encryption systems (cryptoanalysis). After a survey of working principles and cryptographical assumptions the attention is focused on public channel chaotic coding systems where principles of the cryptographical analysis are discussed. Finally a discrete-time chaotic encryption systems which has been designed under the condition of public channel and unknown coder structure is treated and two ciphertext-only, public structure attacks are performed. (orig.)Published of Proceedings ISCAS'97, v. II, p. 1061-1064, Hong Kong (HK), 1997SIGLEAvailable from TIB Hannover: RR 7265(97,4) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekDEGerman