Multi-Tier Authentication with DIFFIE-HELLMAN Key Exchange Using HMAC and AES Algorithm to Enhance Security in Cloud Computing
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 5
Abstract
Security and privacy in cloud computing is one of the most challenging ongoing research areas because data owner stores their sensitive data to remote servers which is not controlled and managed by data owners. Since cloud computing is rest on internet, various security issues like privacy, data integrity, confidentiality, authentication and trust encounter. We comprehensively survey the various existing hybrid security techniques of cloud computing and compare these combinations with their key features and drawbacks of each. With the increasing demands of a secure cloud, single security technique cannot meet the needs. One tier traditional authentication which is used in most applications relies on username and password for accessing the registered services which is not sufficient to secure from some well known attacks on the system. So we propose a mechanism for secure data transfer which ensures three way protection in terms of authenticity, confidentiality and integrity. This paper focuses on multi-tier authentication which relies on username and password as well as secure pin and one-time password (OTP) with Diffie-Hellman Key Exchange for one time key generation. The technique uses Hash Message Authentication Code (HMAC) signature for data integrity and Advanced Encryption Standard (AES) Algorithm for confidentiality.
Authors and Affiliations
Saurin Khedia, Nishant Khatri
Keywords
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