![]() ![]() ![]() What is Monoalphabetic cipher example?Įxamples of monoalphabetic ciphers would include the Caesar-shift cipher, where each letter is shifted based on a numeric key, and the atbash cipher, where each letter is mapped to the letter symmetric to it about the center of the alphabet. ROT13 is a special case of the Caesar cipher which was developed in ancient Rome. ROT13 (“rotate by 13 places”, sometimes hyphenated ROT-13) is a simple letter substitution cipher that replaces a letter with the 13th letter after it in the alphabet. For example, with a left shift of 3, D would be replaced by A, E would become B, and so on. It is a type of substitution cipher in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet. To decrypt G, take the alphabet and look 3 letters before: D. Example: Decrypt GFRGHA with a shift of 3. ![]() How to decrypt Caesar cipher? Caesar code decryption replaces a letter another with an inverse alphabet shift: a previous letter in the alphabet.
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