Cryptanalysis

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Electronics Mail

 

All of us have heard of cryptography. We are familiar with several algorithms. But how many of us have tried to break those algorithms? Have we ever put ourselves in the place of an attacker? Have we tried to extract data without knowledge of the key? In this article you will acquire a basic idea about the different techniques used and the challenges faced in breaking an algorithm.
Wikipedia defines cryptanalysis as the art and science of analyzing information systems in order to study the hidden aspects of the systems. The aim is to be able to extract the data from encrypted systems without the knowledge of the key. Cryptanalysis has proved to be a very important tool throughout history including the two world wars.
One of the simplest categories of ciphers is the substitution ciphers. Let us see how mono-alphabetic ciphers are broken. In all languages, certain letters…

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