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Published in:
2012 | OriginalPaper | Chapter
An Efficient Authentication Method for Throttling DDoS Attacks
Authors : Ch. Rupa, J. Madhu Babu, P. Siva Prasad, P. S. Avadhani
Published in: Global Trends in Computing and Communication Systems
Publisher: Springer Berlin Heidelberg
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Distributed Denial of Service Attacks has recently emerged as one of the most newsworthy, if not the greatest, weaknesses of the Internet. DDoS attacks aim to deny legitimate users of the services. In this paper, we introduce a novel secure scheme for defending against the DDoS attack. When the number of requests arriving at the victim crosses the threshold value (T), integer factorization solution is invoked and the victim server starts sending encrypted e(n) which is generated by RSA instead of ‘n’ to all the users. If the user is not an attacker, decrypts the ‘n’ by using CRT and generate ‘p’ and ‘q’ through integer factorization. If the user fails to provide the computational power to decrypt ‘n’ value as well as to find the factors ‘p’ and ‘q’ then consider him as a malicious user.