1]  Hongbing Wang and Zhenfu Cao, “A Fully Secure Unidirectional and Multi-use Proxy Re-encryption Scheme”, 2009.

[2] N. Koblitz. Elliptic curve cryptosystems Mathematics of Computation, 48:203–209, 1987

[3] V. Miller. Use of elliptic curves in cryptography .Advances in Cryptology—CRYPTO ’85 (LNCS 218) [483], 417–426, 1986

[4] A. Shamir, “Identity-Based Cryptosystems and Signature Schemes,” In :Advances in Cryptology - Proceedings of CRYPTO'84, Lecture Notes of Computer Science (LNCS), vol.196, pp.47-53, 1985

[5] M. Preetha, “A STUDY AND PERFORMANCE ANALYSIS OF RSA ALGORITHM”, International Journal of Computer Science and Mobile Computing, Vol. 2, Issue. 6, June 2013, pg.126 – 139.

[6] G.Prabu kanna, “Enhancing the Security of User Data Using the Keyword Encryption and Hybrid Cryptographic Algorithm in Cloud”, International Conference on Electrical, Electronics, and Optimization Techniques (ICEEOT) – 2016, pp. 3688-3693

[7] A. D. Gupta, “Comparative Analysis of Various Cloud Security Frameworks”, International Conference on cyber security and privacy in communication networks (ICCS-2018), pp. 379-384.

[8] D.Boneh, M.Franklin, Identity-based encryption from the weil pairing, Advances in Cryptology–CRYPTO2001, SantaBarbara, California,USA, LNCS, 2139, Springer, Berlin, 2001.

[9] FarazFatemiMoghaddam, Maen T. Alrashdan, and OmidrezaKarimi, “A Hybrid Encryption Algorithm Based on RSA Small-e and Efficient-RSA for Cloud Computing Environments”, Journal of Advances in Computer Network, Vol. 1, No. 3, September 2013.

[10]        Y. Chen and J.-F. Tu, “A Novel Cloud Computing Algorithm of Security and Privacy,” Mathematical Problems in Engineering, vol. 2013, pp. 1–6, 2013.

Assistant Professor, Department of Computer Science & Engineering, Amity School of Engineering and Technology, Amity University Haryana, Gurugram, India, +91-7087780777, (e-mail: ashimanarang04@gamil.com).