Abstract
Bit oriented cascade jump registers were recently proposed as building blocks for stream cipher. They are hardware oriented designed hence inefficient in software. In this paper word oriented cascade jump registers are presented based on the design idea of bit oriented cascade jump registers. Their constructions make use of special word oriented σ−LFSRs, which can be efficiently implemented on modern CPU and only require few memory. Experimental results show that one type of efficient word oriented cascade jump σ−LFSRs can be used as building blocks for software oriented stream cipher.
This work has been supported by a grant from the National High Technology Research and Development Program of China (No.2006AA01Z425), and National Natural Science Foundation of China (No.90704003, No.60503011), and National Basic Research Program of China (No.2007CB807902).
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Zeng, G., Yang, Y., Han, W., Fan, S. (2009). Word Oriented Cascade Jump σ−LFSR. In: Bras-Amorós, M., Høholdt, T. (eds) Applied Algebra, Algebraic Algorithms and Error-Correcting Codes. AAECC 2009. Lecture Notes in Computer Science, vol 5527. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-02181-7_14
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DOI: https://doi.org/10.1007/978-3-642-02181-7_14
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