Tuesday 22 February 2011

Wseas Transactions

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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 53-228
Full Name: Vimalathithan Rathinasabapathy
Position: Senior
Lecturer
Age: ON
Sex: Male
Address: 68A GCT QUARTERS, THADAGAM ROAD COIMBATORE 641013
Country: INDIA
Tel:
Tel prefix:
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E-mail address: athivimal@gmail.com
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Title of the Paper: Cryptanalysis of Simplified-DES using Computational intelligence
Authors as they appear in the Paper: Vimalathithan R , M.L.Valarmathi
Email addresses of all the authors: athivimal@gmail.com,drmlv@gct.ac.in
Number of paper pages: 10
Abstract: Cryptanalysis with Computational Intelligence has gained much interest in recent years. This paper presents an approach for breaking the key used in Simplified-Data Encryption Standard (S-DES) using Genetic algorithm (GA), Particle Swarm Optimization (PSO) and a novel approach called Genetic Swarm Optimization (GSO) obtained by combining the effectiveness of GA and PSO. Ciphertext-only attack is embraced here and an optimum key is produced based on Letter Frequency analysis as Cost function. The key is optimized using the capabilities of Computational Intelligence and the experimental results indicate GSO is an effective tool which runs through less time to break the key used in S-DES and reduces the search space nearly by a factor of 6.
Keywords: Cryptanalysis, ciphertext-only attack, Genetic Algorithm, Particle Swarm Optimization , Genetic Swarm Optimization , cost, plaintext and ciphertext
EXTENSION of the file: .pdf
Special (Invited) Session:
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How Did you learn about congress: Cryptography,Soft Computing
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