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Vigenere Cipher Decoder (No key/key length)

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@Abushawish Abushawish released this 27 Sep 19:28

Developed by Mohammed Abushawish

Breaks a given vigenere cipher text without knowing the key or the key length.

  • Import, change "String cipherText" to needed cipher, and run
  • Observe Index of Coincidences, choose highest/most likely and input it
  • Confirm the returned key, make adjustment if needed
  • Results will be given