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Research on Reconfigurable Modulo Operation Unit

Tao Meng, Zibin Dai

Abstract

This paper analyzes symmetry ciphers algorithm, summarizes kinds of modulo operations, contrives high-performance and reconfigurable modulo unit, which supports modulo28 addition, modulo28 subtraction, modulo28 multiplication, modulo216 addition, modulo216 subtraction, modulo216 multiplication, modulo(216+1) multiplication, modulo232 addition, modulo232 subtraction, modulo232 multiplication and modulo(232-1) multiplication, and also supports any two parallel operations of modulo28 addition, modulo28 subtraction, modulo28 multiplication, modulo216 addition, modulo216 subtraction, modulo216 multiplication, modulo(216+1) multiplication. Universal instructions of the unit is given. Experimental results show that the modulo unit is effective.

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Available abstract

Key concepts: Modulo, Subtraction, Multiplication (music), Modulo operation, Computer science, Arithmetic, Unit (ring theory), Multiplication algorithm