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Parallel encrypted array multipliers

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3 Author(s)
Vassiliadis, S. ; IBM System Products Division, P.O. Box 6, Endicott, New York 13760, USA ; Putrino, M. ; Schwarz, E.M.

An algorithm for direct two's-complement and sign-magnitude parallel multiplication is described. The partial product matrix representing the multiplication is converted to an equivalent matrix by encryption. Its reduction, producing the final result, needs no specialized adders and can be added with any parallel array addition technique. It contains no negative terms and no extra “correction” rows; in addition, it produces the multiplication with fewer than the minimal number of rows required for a direct multiplication process.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Journal of Research and Development  (Volume:32 ,  Issue: 4 )