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Extended RSA Cryptosystem based on the Study of Number Theory and Public Key Cryptosystems


Mr.Vijaysinh K. Jadeja , C.U.Shah College of Engineering & Technology; Mr.Chirag R. Patel, C.U.Shah College of Engineering & Technology; Mr. Jignesh N. Solanki, C.U.Shah College of Engineering & Technology; Mr. Sohil A. Gadhiya, C.U.Shah College of Engineering & Technology


Cryptography, network security Keywords: ERSA, RSA, security, cryptography


Security is required to transmit top secret information over the network. Security is also demanding in wide range of applications. Cryptographic algorithms play a vital role in providing the data security against malicious attacks. RSA algorithm is extensively used in the popular implementations of Public Key Infrastructures. In asymmetric key cryptography, also called Public Key cryptography, two different keys (which form a key pair) are used. One key is used for encryption and only the other corresponding key must be used for decryption. No other key can decrypt the message – not even the original (i.e. the first) key used for encryption. In this paper, we have proposed an improved approach of RSA algorithm using two public key pairs and using some mathematical logic rather than sending one public key d irectly.Because if an attacker has an opportunity of getting the public key component they can find private key value by brute force search.

Other Details

Paper ID: IJSRDV8I10680
Published in: Volume : 8, Issue : 1
Publication Date: 01/04/2020
Page(s): 1223-1225

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