Vigenere cipher breaker
This online calculator tries to decode Vigenere cipher without knowing the key. It uses the index of coincidence technique.
This page exists due to the efforts of the following people:
 | Timur
|
Anton
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Created: , Last updated:
Articles that describe this calculator
Vigenere cipher breaker
Frequency of Letters
| Letter | Frequency | ||
|---|---|---|---|
Key
Decoded message
Decoded with guess key
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