About 487,000 results
Open links in new tab
  1. 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.

  2. Decrypt a Message - Cipher Identifier - Online Code Recognizer

    Tool to identify/recognize the type of encryption/encoding applied to a message (more 200 ciphers/codes are detectable). Cipher identifier to quickly decrypt/decode any text.

  3. 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. Examples are …

  4. Cipher Identifier (online tool) | Boxentriq

    Stuck with a cipher or secret code? This free AI tool will help you identify the type of encryption and guide you how to decode and solve it.

  5. Types of Ciphers: A Complete Guide to Early and Modern Codes

    Feb 26, 2025 · Over thousands of years, ciphers have evolved from coded messages into the creative arts and became part of a movement called Cypherpunk, at the heart of …

  6. 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 …

  7. What is a cryptographic cipher? - TechTarget

    Oct 18, 2021 · What is a cipher? In cryptology, the discipline concerned with the study of cryptographic algorithms, a cipher is an algorithm for encrypting and decrypting data. …

  8. CIPHER | English meaning - Cambridge Dictionary

    cipher noun [C] (SECRET WRITING) Add to word list a system of writing that most people cannot understand, so that the message is secret; a code:

  9. Cipher - Glossary | MDN

    Jul 11, 2025 · In cryptography, a cipher is an algorithm that can encrypt plaintext to make it unreadable, and to decrypt the encoded data back to plaintext again.

  10. What Is a Cipher? Definition, Purpose, and Types - NinjaOne

    Aug 13, 2025 · Cipher Definition: A cipher is an encryption algorithm used to convert plaintext into unreadable ciphertext and vice versa, forming the foundation of data security and …