Title: Rapid Carry Adder Based on Carry Forecast Between Groups
Abstract:This paper presents and realizes a rapid carry adder based on carry forecast between groups to improve the speed of the large numbers adder in some cryptography systems.The large numbers is divided in...This paper presents and realizes a rapid carry adder based on carry forecast between groups to improve the speed of the large numbers adder in some cryptography systems.The large numbers is divided into many groups,the delay of carry-chain is reduced by carry lookahead in group.The group addition operation of different carry state is finished by carry forecast between groups.The addition sun of different carry forecast state is selected as the final result based on the carry state.Performance analysis shows that the computing speed of the carry adder is faster when realizing the 1 024 bit large numbers add operation.Read More
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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