Abstract
Periods of interleaved and nonuniformly decimated integer sequences are investigated. A characterization of the period of an interleaved sequence in terms of the constituent periodic integer sequences is first derived. This is then used to generalize the result of Blakley and Purdy on the period of a decimated integer sequence obtained by a periodic nonuniform decimation. The developed technique may be interesting for analyzing the period of various pseudorandom sequences, especially in stream cipher applications.
This research was supported in part by the Science Fund of Serbia, grant #0403, through the Institute of Mathematics, Serbian Academy of Arts and Sciences.
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© 1996 Springer-Verlag Berlin Heidelberg
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Golić, J.D. (1996). A note on nonuniform decimation of periodic sequences. In: Dawson, E., Golić, J. (eds) Cryptography: Policy and Algorithms. CPA 1995. Lecture Notes in Computer Science, vol 1029. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0032352
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DOI: https://doi.org/10.1007/BFb0032352
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