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Using Frequency Analysis to Decrypt Monoalphabetic Ciphers

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Articulo Final_Omar Rodriguez (435.6Kb)
Date
2015
Author
Rodríguez Laborde, Omar
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Abstract
Over the past few years’ technology has taken over society. Everyone uses technology. It makes everything easier, such as paying bills, buying food or any stuff that you use in your daily basis. People tend to store all the information on their online accounts such as; credit card numbers, address, personal information and others, all this without knowing how easy or hard is to a malicious person get into all this information. In order to understand this you have to think as an hacker, that’s the only way you can help yourself and help others to understand how this people are getting thru all the security measures that companies are trying to use. Companies’ security is only 50% of the equation, the other 50% is you as a user and how well you are using the tools that this company give you. Some of the hacker technique are: Frequency Analysis, Brute Force, phishing, etc. Frequency Analysis is a fundamental cryptanalytic technique that can be applied to any monoalphabetic cipher. The proposed program uses combined techniques of monogram, bigrams, trigram, frequency analysis, keywords rules and dictionary to decrypt monoalphabetic ciphers. Key Terms - Ciphers, Cryptanalytic, Decrypt, Monoalphabetic.
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http://hdl.handle.net/20.500.12475/637
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