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In cryptography, a Caesar cipher, also known as Caesar's cipher, the shift cipher, Caesar's code or Caesar shift, is one of the simplest and most widely known encryption techniques. It is a type of substitution cipher in which each letter in the plaintext is replaced by a letter with a fixed number of positions down the alphabet.
For example, with a left shift of 3, D would be replaced by A, E would become B, and so on. The method is named after Julius Caesar, who used it in his private correspondence.
Last updated on 2021年11月06日
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Caesar cipher
1.0.5 by hpAndro
2021年11月06日