alexa New Hybrid Cryptosystem for Internet Applications
ISSN: 2090-4908

International Journal of Swarm Intelligence and Evolutionary Computation
Open Access

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Research Article

New Hybrid Cryptosystem for Internet Applications

Ashraf Darwish* and Maged M El-Gendy

Computer Science Department, Faculty of Science, Helwan University, Cairo, Egypt

*Corresponding Author:
Ashraf Darwish
Computer Science Department, Faculty of Science
Helwan University, Cairo, Egypt
Tel: 2025188082
E-mail: [email protected]

Received March 15, 2016; Accepted April 26, 2016; Published April 29, 2016

Citation: Darwish A, El-Gendy MM (2016) New Hybrid Cryptosystem for Internet Applications. Int J Swarm Intel Evol Comput 5:135. doi: 10.4172/2090- 4908.1000135

Copyright: © 2016 Darwish A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



In this paper we demonstrate a new proposed hybrid cryptosystem, which combines the one-time pad that is theoretically unbreakable cipher, with the most strong (standard) encryption algorithms today’s, the RSA public-key algorithm, and the AES standard secret-key algorithm, to offer unconditionally secured cryptosystem. Public-key cryptosystem can be used to create a digital signature. The analysis of the proposed scheme shows that with a digital signature, we can be sure the sender and the receiver cannot deny the signed object, and we can ensure the message integrity. The existence of such a system would enable instant secure communication between subscribers who have never met or communicated before. A system of this kind greatly simplifies the problem of key distribution. A one-time pad, under the assumption that it has been exchanged between parties’ securely, offers unbreakable cipher! Besides, the proposed scheme facilitates additional level of security strength achieved through the involvement of a four level of key-hierarchy.


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