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index-of-coincidence

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dmamakas2000 / cryptanalysis-python

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In this project, we experiment with the use of diverse cryptographic algorithms. First, we attempt to encrypt a plaintext message using the Vigenère Algorithm and a fixed-length encryption key. Afterward, we experiment with the decryption of the produced cipher using Kasiski's Method, as well as the Index of Coincidence statistical test.

python cryptography jupyter-notebook vigenere-cipher index-of-coincidence kasiski-test
  • Updated Aug 14, 2023
  • Jupyter Notebook

Jsos17 / Classic-crypto

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Vigenère cipher, keyed Vigenère cipher and autokey cipher. Single and double columnar transposition ciphers. Cryptanalysis of the Vigenère cipher. Data Structures and Algorithms Lab, summer 2018 (offered by Bachelor's Programme in Computer Science, University of Helsinki).

java cipher algorithms ciphers frequency-analysis classical-cipher vigenere-cipher index-of-coincidence cipher-algorithms transposition-cipher classical-ciphers classical-cryptography double-transposition-cipher autokey-cipher keyed-cipher columnar-transposition-cipher columnar-transposition
  • Updated Jun 2, 2021
  • Java

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