Cabinet Noir
>Encrypt / Atbash cipher
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The mirror cipher: the alphabet is flipped over, so A becomes Z and B becomes Y. No key at all.
Type
substitution cipher
Breaking it
trivial to break
Era
c. 586 BC
Name
Hebrew scribes; attested in the Book of Jeremiah.
Modes
encrypt · decrypt
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Tool
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History
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Message
i
Keep spaces
Keep case
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Russian
Ukrainian
i
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Created by Denys Grybov in 2021
v.0.4.0 // released on 18.10.2026