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Caesar Cipher

A simple shift substitution cipher where each letter in the plaintext is shifted by a fixed number of positions.

Brokenclassical

Plaintext / Input Message

Cryptographic Key / Shift

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A special case of Caesar cipher with a fixed shift value of 13.

A polyalphabetic substitution cipher that uses a keyword to shift characters in repeating cycles.

A transposition cipher where plaintext is written diagonally down and up on successive "rails" of a fence.

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