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The word Cryptanalysis originated from the Greek kryptós; which means "hidden", and analýein, "to loosen" or "to untie"). It is the study of methods for obtaining the meaning of encrypted information, without access to the secret information which is normally required to do so. Typically, this involves finding the secret key. In non-technical language, this is the practice of codebreaking or cracking the code, although these phrases also have a specialised technical meaning.

History of Cryptanalysis


Methods of cryptanalysis


External Links

  • Cryptanalysis at Wikipedia
  • Prof. Thomas Dean has a step-by-step tutorial on how to build your own collection of tools for quickly analyzing and decrypting substitution ciphers [1] and [2].

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