A lower bound on the linear span of an FCSR
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We have derived a lower bound on the linear span of a binary sequence generated by a feedback with carry shift register (FCSR) under the following condition: q is a power of a prime such that q=re (e⩾2) and r(=2p+1), where both r and p are 2-prime. This allows us to design FCSR stream ciphers similar to previously proposed linear feedback shift register (LFSR) stream ciphers
Published in:
Information Theory, IEEE Transactions on
(Volume:46
,
Issue:
2
)
Date of Publication: Mar 2000