Comparative Analysis of RSA and Modified RSA Cryptography

Madhurima Dubey*, Yojana Yadav**
* PG Scholar, Department of Electronics and Telecommunication Engineering, Chhatrapati Shivaji Institute of Technology, Durg, India.
** Associate Professor, Department of Electronics and Telecommunication Engineering, Chhatrapati Shivaji Institute of Technology, Durg, India.
Periodicity:December - February'2016
DOI : https://doi.org/10.26634/jcom.3.4.4830

Abstract

In RSA (Rivest-Shamir-Adleman) cryptography, the basic factors are key length, calculation time, security, authentication and integrity. Generally, in public key cryptography, the key length and security is directly proportional to each other. Original RSA uses two prime numbers as input, which gives the modulus 'n'; encryption and decryption process depends on modulus 'n'. The attacker can easily break the 'n' into two factors of prime number and so to avoid this problem, the authors have used three large prime numbers, it will increase the brute force time to factorize 'n'. This paper mainly focuses on the number of prime numbers used, security and time.

Keywords

RSA Algorithm, Public Key Cryptography, Encryption, Decryption.

How to Cite this Article?

Dubey, M., and Yadav, Y. (2016). Comparative Analysis of RSA and Modified RSA Cryptography. i-manager’s Journal on Computer Science, 3(4), 23-28. https://doi.org/10.26634/jcom.3.4.4830

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