Suravi Lahiri* | Kaustav M. Chatterjee | Swarup K. Mitra
OPEN ACCESS
Cryptography is the art of keeping messages secretly and it plays an important role in securing the data from unauthorized access and use. In this paper we have developed a crypto based processor using RSA algorithm. RSA algorithm is a highly securablesecurable, public key algorithm. It is used to encrypt and decrypt the messages to send it over the transmission channel securely. The main purpose of our work in this paper is to develop a system to transmit the message to the intended recipient in such a way so tha t an unauthorized person cannot be able read or alter it. This crypto based processor has been implemented on FPGAFPGA- which is a reconfigurable platform and designed by Very High speed integrated circuit Hardware Description Language ( and simulated by using Xilinx ISE 8.2i. This paper describes the detailed implementation of RSA encryption/decryption algorithm on FPGA using 32 bits key size.
Cryptography, FPGA, RSA, VHDL.
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