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.

The meaning of CYPHER is chiefly British spelling of cipher.

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 …

Define cypher. cypher synonyms, cypher pronunciation, cypher translation, English dictionary definition of cypher. n. & v. Variant of cipher. American Heritage® Dictionary of the English …

A cypher is a message written in a secret code. Spies during World War II sometimes communicated using cyphers.

He is not a cypher, not one of a million pensioners, but an individual who has a special claim on the community.

Cipher definition: a secret method of writing or recording data, such as by substituting or adding letters or numbers, using specially formed symbols, or the like; code..

Jun 23, 2023 · Ciphers are often grouped based on their operation and how their key is applied to encryption and decryption. Block ciphers combine symbols into a fixed-size message (the …

A cipher is a secret system of writing that you use to send messages. ...converting their messages into ciphers. During World War II he worked as a cipher clerk. If you describe someone as a …

: to change (a message) into cipher. Middle English cipher "zero," from Latin cifra (same meaning), from Arabic ṣifr "empty" Nglish: Translation of cipher for Spanish Speakers.