An application of RSA in data transfer

In transferring data secretly between two people who are far away from each other Public Key Cryptosystem can be used and RSA is one of the fames Public Key Cryptosystem. If data contains very long information, encryption and decryption process take long time in RSA. In such situation hybrid systems are used. Chosen Public Key Cryptosystem is used for transferring key and a chosen Secret Key Cryptosystem is used for encrypting and decrypting data. In this paper a method for applying RSA for transferring date is proposed. In this method, selected RSA modulus n is used in the encryption and decryption process. So this system may be assumed as a modification of RSA and semi-hybrid.