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Paper 2015/787

Backtracking-Assisted Multiplication

Houda Ferradi and Rémi Géraud and Diana Maimut and David Naccache and Hang Zhou

Abstract

This paper describes a new multiplication algorithm, particularly suited to lightweight microprocessors when one of the operands is known in advance. The method uses backtracking to find a multiplicationfriendly encoding of the operand known in advance. A 68HC05 microprocessor implementation shows that the new algorithm indeed yields a twofold speed improvement over classical multiplication for 128-byte numbers.

Metadata
Available format(s)
PDF
Category
Implementation
Publication info
Preprint. MINOR revision.
Keywords
multiplicationarithmetic for cryptography
Contact author(s)
david naccache @ ens fr
History
2015-08-07: received
Short URL
https://ia.cr/2015/787
License
Creative Commons Attribution
CC BY
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