Comparison of Compact High Speed Reconfigurable RC4 Hardware with the Existing RC4 Hardware

RC4 Stream cipher is well known for its simplicity and ease to develope in software. But here, in the proposed design we have heighlighted the modified hardware implémentation of RC4. As RC4 is the most popular stream cipher. The proposed design performs reading and swapping simultaneously in one clock cycle. The proposed design also highlights the adder part which enhances the architecture speed. As this design uses fast Carry Look Ahead Adder as the adder logic. In this paper we have compared the proposed design with the other existing design which also works on one byte per clock cycle [1].