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Cypher is a British spelling of cipher, which means a secret code or a person who is unimportant or unknown. Learn more about the word, its origin, and its usage with examples and quizzes.
Learn about cipher, any method of transforming a message to conceal its meaning, and its history and types. Explore cipher devices, machines, and systems, such as the scytale, the rotor cipher, and the ADFGVX cipher.
- The Editors of Encyclopaedia Britannica
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. An alternative, less common term is encipherment. To encipher or encode is to convert information into cipher or code.
Learn the different meanings and uses of the word cipher, from zero to code to encryption. See synonyms, examples, etymology, and related phrases of cipher.
A cypher is a message written in a secret code. Spies during World War II sometimes communicated using cyphers. If you use a cypher to send your friend a message, it may take her a while to figure out what you're trying to tell her.
Cypher is a variant spelling of cipher, which means zero, a secret code, or a person of no importance. Learn the pronunciation, origin, and examples of cypher as a noun and a verb.
Cypher is another spelling of cipher, which means a code or a secret message. Learn how to use cypher in a sentence and see its pronunciation and translations in different languages.
