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Cryptography Exercises and Answers by Edward Lee is a document available to read on EtoBox.
What is Cryptography Exercises and Answers about?
The document discusses cryptanalysis tools for decrypting texts encrypted with Caesar and Vigenère ciphers. It states that a histogram is most effective for Caesar cipher as it shows letter frequencies that reveal the substitution. For Vigenère cipher, the histogram is more randomized since the substitution key changes, obscuring letter patterns. It then provides examples encrypting a sample plaintext with a reversed alphabet monoalphabetic cipher and briefly explains the security of the one-time pad cipher
- Author
- Edward Lee
- Language
- EN