Einstein International Journal Organization(EIJO)

Abstract  

A cryptosystem is a pair of algorithms that accept a key and convert the plaintext into encrypted text and vice versa. In this process two types of algorithms are used symmetric and asymmetric algorithm. In the symmetric algorithm both the sender and receiver key are same but in the asymmetric algorithm the sender and receiver key are different that makes this type of algorithms more secure. In the asymmetric algorithm RSA is the one of the most popular algorithm. In this paper present the enhancement of Asymmetric RSA algorithm which is used in the cryptographic System. The security of the RSA system is based on the premise that many decomposing factors are difficult. In RSA, if we can factor the module (n) in its prime numbers, we can also get the private key. So in this paper a customized RSA algorithm is offered called Dual Modulus Digital Logarithmic Algorithm (DMDLA). The DMDLA algorithm uses dual module digital logarithmic encryption and decryption, so it is safer than the RSA algorithm.

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