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Design and Implementation of Reconfigurable Bit Permutation System Based on Waksman Network

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2 Author(s)
Hong-yan Li ; Humanities Coll., Shanghai Second Polytech. Univ., Shanghai, China ; Fei Gao

The bit permutation unit consists of bit permutation network and configuration information. In the article, a configuration information parallel extraction algorithm with time complexity O (log2N) based on Waksman network is presented to achieve not only bit permutation system on reconfigurable cipher microprocessors but also an arbitrary N × N bit permutation. This algorithm can support bit permutation operations in block cipher algorithm and stream cipher algorithm, and occupy less hardware resources.

Published in:

Information and Computing (ICIC), 2010 Third International Conference on  (Volume:2 )

Date of Conference:

4-6 June 2010