The stability theory of stream ciphers

C. Ding, G. Xiao, W. Shan

Secure message transmission is of extreme importance in today's information-based society. Stream encryption is a practically important means to this end. This monograph is devoted to a new aspect of stream ciphers, namely the stability theory of stream ciphers, with the purpose of developing bounds on complexity which can form part of the basis for a general theory of data security and of stabilizing stream-cipher systems. The approach adopted in this monograph is new. The topic is treated by introducing measure indexes on the security of stream ciphers, developing lower bounds on these indexes, and establishing connections among them. The treatment involves the stability of boolean functions, the stability of linear complexity of key streams, the period stability of key streams, and the stability of source codes. Misleading ideas about stream ciphers are exposed and new viewpoints presented. The numerous measure indexes and bounds on them that are introduced here, the approach based on spectrum techniques, andthe ten open problems presented will all be useful to the reader concerned with analyzing and designing stream ciphers for securing data.

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  • Stream ciphers.- The BAA attacks on several classes of stream ciphers.- Measure indexes on the security of stream ciphers.- The stability of linear complexity of sequences.- The period stability of sequences.- Summary and open problems.

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書名 The stability theory of stream ciphers
著作者等 Ding, C.
Shan, W.
Xiao, G.
Shan Weijuan
Xiao Guozhen
Ding Cunsheng
シリーズ名 Lecture notes in computer science
出版元 Springer-Verlag
刊行年月 c1991
ページ数 ix, 187 p.
大きさ 25 cm
ISBN 0387549730
NCID BA13457873
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言語 英語
出版国 ドイツ