Cryptanalysis of simplified-DES using computational intelligence
作者： R. Vimalathithan , M. L. Valarmathi
关键词:
摘要: Cryptanalysis with Computational Intelligence has gained much interest in recent years. This paper presents an approach for breaking the key used Simplified-Data Encryption Standard (S-DES) using Genetic algorithm (GA), Particle Swarm Optimization (PSO) and a novel called (GSO) obtained by combining effectiveness of GA PSO. Ciphertext-only attack is embraced here optimum produced based on Letter Frequency analysis as Cost function. The optimized capabilities experimental results indicate GSO effective tool which runs through less time to break S-DES reduces search space nearly factor 6.
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