Date of Publication :26th April 2018

Abstract: Security plays an important role in all types of computer system from standalone PC to computer system in the cloud. Security can be achieved through cryptographic algorithms. Cryptographic algorithms are categorized as symmetric and asymmetric based on the type of keys used. In pubic Cloud, Data is send through an insecure channel such as internet and stored in a Datacenter which is located far away from the user. So, context effective cryptographic algorithms are needed in the public cloud for transmitting, storing and handling key management. To ensure security, good and context effective cryptographic algorithm should be identified through cryptanalysis. In this paper different cryptographic algorithms are analyzed for efficiency based on computer system used to run algorithm, memory requirement, computational cost and performance

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