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- DictionaryCi·pher/ˈsīfər/
noun
- 1. a secret or disguised way of writing; a code: "he was writing cryptic notes in a cipher"
- 2. a zero; a figure 0. dated
verb
- 1. put (a message) into secret writing; encode: "he left two, as yet uncracked, ciphered messages for posthumous decoding"
- 2. do arithmetic. archaic
cipher: [noun] zero 1a. one that has no weight, worth, or influence : nonentity.
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. In common parlance, "cipher" is synonymous with "code", as ...
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.
Caesar cipher: Encode and decode online. 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. Decimal to text.
CIPHER definition: 1. a system of writing that prevents most people from understanding the message: 2. a person or…. Learn more.
Jun 17, 2024 · A cipher is a technique that is used in transforming the readable data (plaintext) into coded data (ciphertext) and the other way round. The first step in converting regular text into an unrecognizable form is encryption and the process of converting the encoded text back into regular text is decryption.
A cipher is a secret code, usually one that's created using a mathematical algorithm. Sometimes the message written in code is itself called a cipher.
Cipher definition: zero. . See examples of CIPHER used in a sentence.
Definition of cipher noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
cipher: A cipher (pronounced SAI-fuhr ) is any method of encrypting text (concealing its readability and meaning). It is also sometimes used to refer to the encrypted text message itself although here the term ciphertext is preferred. Its origin is the Arabic sifr , meaning empty or zero . In addition to the cryptographic meaning, cipher also ...
