Abstract

Modular multiplication is an essential operation in virtually all public-key cryptosystems in use today. This work presents four designs for speeding up modular multiplication on application-specific crypto-processors. All the approaches utilize small look-up tables and fast, massively parallel multipliers. Two of the approaches trade off smaller look-up tables for a larger, slightly slower multiplier. The other two approaches use larger look-up tables but a smaller, faster multiplier.

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