Cipher - Wikipedia In cryptography, a cipher (or cypher) is an algorithm for performing encryption or decryption —a series of well-defined steps that can be followed as a procedure
Caesar cipher: Encode and decode online - cryptii Method in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet The method is named after Julius Caesar, who used it in his private correspondence
Cipher | Definition, Types, Facts | Britannica Cipher, any method of transforming a message to conceal its meaning The term is also used synonymously with ciphertext or cryptogram in reference to the encrypted form of the message All ciphers involve either transposition or substitution or a combination of these two mathematical operations
CIPHER Definition Meaning - Merriam-Webster Noun a cipher that can't be decoded She was nothing more than a cipher Verb were surprised by how much we had spent on the cruise after we had ciphered out the grand total