Error linear complexity measures for multisequences

Meidl, Wilfried and Niederreiter, Harald and Venkateswarlu, Ayineedi (2007) Error linear complexity measures for multisequences. Journal of Complexity, 23 (2). pp. 169-192. ISSN 0885-064X

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Official URL: http://dx.doi.org/10.1016/j.jco.2006.10.005

Abstract

Complexity measures for sequences over finite fields, such as the linear complexity and the k-error linear complexity, play an important role in cryptology. Recent developments in stream ciphers point towards an interest in word-based stream ciphers, which require the study of the complexity of multisequences. We introduce various options for error linear complexity measures for multisequences. For finite multisequences as well as for periodic multisequences with prime period, we present formulas for the number of multisequences with given error linear complexity for several cases, and we present lower bounds for the expected error linear complexity.

Item Type:	Article
Uncontrolled Keywords:	multisequences; joint linear complexity; error linear complexity; stream ciphers
Subjects:	Q Science > QA Mathematics
ID Code:	42
Deposited By:	Wilfried Meidl
Deposited On:	17 Nov 2006 02:00
Last Modified:	25 May 2011 14:06

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