An Interactive Practical Approach for Traditional Cryptanalysis of Vigenere Cipher (original) (raw)

2018

Abstract

Vigenere cipher is a polyalphabetic cipher with a very large key space capable of generating streaming cipher text. The difficulty level of cryptanalysis somewhat depends on the size of the key space. However, there are methods of pattern analysis and statistical analysis that can overrule the difficulties of cryptanalysis due to the large key space. Cryptanalysis of Vigenere cipher is one such method of testing code breaking even if the key domain is very large. The proposed algorithm of cryptanalysis works best when the size of the key string is less than the size of the dataset.

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