Comparison between RSA and Triple DES in Cloud Environment

Abstract

The goal of the paper is to discuss comparisons in RSA and Triple DES algorithms in cloud environment. There are concerned three aspects on which we will compare algorithms: (i) Avalanche Effect: - small changes in plaintext or key will change the cipher text is known as advance effect. Either change in on bit of plaintext or key will change no. bits of output value. (ii )Memory required: - Different algorithms required different memory space to perform the operation. The memor y space required by any algorithm is determined on the basis of data size, no. of rounds etc. From different algorithm an algorithm is consider best which use small memory and perform best task. (iii) Simulation time: - The time required consumed by algorithm to complete the operation is known as simulation time. It depends on processor speed, algorithm complexity. Small simulation time is desirable requirement . There is considered implementation of cryptographic algorithms in cloud environment by using software libraries and simulators. Finally, there are discussed some possibilities to maximize the speed of execution of cryptographic algorithms, emphasize the importan ce of parallelization of algorithms.