Presentation 2015-03-03
On Linear Complexity of Constant-Weight Sequences over Extension Fields : With Correction for Numerical Examples Presented on SCIS2015
Takayasu KAIDA, Junru ZHENG, Keiichi TAKAHASHI,
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Abstract(in English) The authors proposed constant-weight sequences over multi-value generalized form binary constant-weight sequences by Li, et.al., and reported some examples that almost sequences over GF(5) in a set of constant-weight sequences have highest linear complexities. In this paper, we consider some construction methods over extension fields. In contrast to prime fields, we need to define a map from modulo Z_q to an extension field GF(q), where q = p^m with a prime p and a positive integer m > 2. By our definition of such a map, the method of construction is given clearer than conventional one. Moreover it reported that almost sequences in some sets of constant-weight sequence over extension fields have very large linear complexities as same as the case of prime field. Some corrections to a part of numerical examples in the paper presented at the 2015 Symposium on Cryptography and Information Security(SCIS2015) are also given.
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Keyword(in English) pseudo-random sequence / balanced sequence set / cyclic difference set / linear complexity / SCIS2015
Paper # IT2014-94,ISEC2014-107,WBS2014-86
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Committee WBS
Conference Date 2015/2/23(1days)
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Language JPN
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Title (in English) On Linear Complexity of Constant-Weight Sequences over Extension Fields : With Correction for Numerical Examples Presented on SCIS2015
Sub Title (in English)
Keyword(1) pseudo-random sequence
Keyword(2) balanced sequence set
Keyword(3) cyclic difference set
Keyword(4) linear complexity
Keyword(5) SCIS2015
1st Author's Name Takayasu KAIDA
1st Author's Affiliation Department of Information and Computer Sciences, Faculty of Humanity-Oriented Science and Engineering, Kinki University()
2nd Author's Name Junru ZHENG
2nd Author's Affiliation Department of Human Development, Faculty of Humanities, Kyushu Women's University
3rd Author's Name Keiichi TAKAHASHI
3rd Author's Affiliation Department of Information and Computer Sciences, Faculty of Humanity-Oriented Science and Engineering, Kinki University
Date 2015-03-03
Paper # IT2014-94,ISEC2014-107,WBS2014-86
Volume (vol) vol.114
Number (no) 472
Page pp.pp.-
#Pages 6
Date of Issue