• cryptography, a message authentication code (MAC), sometimes known as an authentication tag, is a short piece of information used for authenticating and integrity-checking...
    16 KB (1,918 words) - 17:55, 22 January 2025
  • Thumbnail for HMAC
    either keyed-hash message authentication code or hash-based message authentication code) is a specific type of message authentication code (MAC) involving...
    18 KB (2,316 words) - 18:51, 16 April 2025
  • In information security, message authentication or data origin authentication is a property that a message has not been modified while in transit (data...
    6 KB (612 words) - 10:29, 1 June 2025
  • field GF(2128) to compute the authentication tag; hence the name. Galois Message Authentication Code (GMAC) is an authentication-only variant of the GCM which...
    23 KB (3,051 words) - 20:21, 24 March 2025
  • Thumbnail for Cryptographic hash function
    applications, notably in digital signatures, message authentication codes (MACs), and other forms of authentication. They can also be used as ordinary hash...
    49 KB (6,299 words) - 15:10, 30 May 2025
  • Cipher Block Chaining Message Authentication Code Protocol (Counter Mode CBC-MAC Protocol) or CCM mode Protocol (CCMP) is an authenticated encryption protocol...
    5 KB (594 words) - 05:39, 11 December 2024
  • Thumbnail for Block cipher mode of operation
    Message authentication codes (MACs) are often built from block ciphers. CBC-MAC, OMAC and PMAC are examples. Disk encryption Message authentication code...
    52 KB (5,828 words) - 12:52, 13 June 2025
  • using the same secret key used by the sender. The Message Authentication Code protects both a message's data integrity as well as its authenticity. A computer...
    24 KB (2,637 words) - 08:14, 15 June 2025
  • Thumbnail for Digest access authentication
    July 2011. Digest access authentication was originally specified by RFC 2069 (An Extension to HTTP: Digest Access Authentication). RFC 2069 specifies roughly...
    25 KB (2,879 words) - 04:06, 25 May 2025
  • Simple Authentication and Security Layer (SASL) is a framework for authentication and data security in Internet protocols. It decouples authentication mechanisms...
    7 KB (687 words) - 23:11, 18 June 2025
  • Thumbnail for CBC-MAC
    CBC-MAC (category Message authentication codes)
    chaining message authentication code (CBC-MAC) is a technique for constructing a message authentication code (MAC) from a block cipher. The message is encrypted...
    17 KB (2,867 words) - 06:44, 11 October 2024
  • ISO/IEC 9797-1 (category Message authentication codes)
    ISO/IEC 9797-1 Information technology – Security techniques – Message Authentication Codes (MACs) – Part 1: Mechanisms using a block cipher is an international...
    10 KB (1,232 words) - 00:23, 8 July 2024
  • The Message Authenticator Algorithm (MAA) was one of the first cryptographic functions for computing a message authentication code (MAC). It was designed...
    9 KB (954 words) - 09:25, 27 May 2025
  • Poly1305 (category Message authentication codes)
    hash family, Poly1305 can be used as a one-time message authentication code to authenticate a single message using a secret key shared between sender and...
    17 KB (2,513 words) - 21:01, 31 May 2025
  • CMAC is the Cipher-based Message Authentication Code, a cryptographic algorithm. CMAC may also refer to: Cerebellar model articulation controller, type...
    763 bytes (117 words) - 00:19, 17 October 2023
  • CCM mode (category Authenticated-encryption schemes)
    chaining message authentication code; counter with CBC-MAC) is a mode of operation for cryptographic block ciphers. It is an authenticated encryption...
    8 KB (934 words) - 10:33, 6 January 2025
  • (privacy-only) encryption scheme and a message authentication code (MAC) T. Kohno; J. Viega & D. Whiting. "The CWC Authenticated Encryption (Associated Data) Mode"...
    18 KB (1,992 words) - 02:40, 9 June 2025
  • VMAC (category Message authentication codes)
    VMAC is a block cipher-based message authentication code (MAC) algorithm using a universal hash proposed by Ted Krovetz and Wei Dai in April 2007. The...
    6 KB (742 words) - 12:42, 17 October 2024
  • ChaCha20-Poly1305 (category Message authentication codes)
    an authenticated encryption with associated data (AEAD) algorithm, that combines the ChaCha20 stream cipher with the Poly1305 message authentication code...
    13 KB (1,509 words) - 15:01, 13 June 2025
  • colleagues of the top-level employees within the company. Phishing Message authentication code Stream cipher attack "Famous Phishing Incidents from History...
    1 KB (144 words) - 23:18, 13 April 2025
  • a key exchange algorithm, a bulk encryption algorithm, and a message authentication code (MAC) algorithm. The key exchange algorithm is used to exchange...
    19 KB (2,358 words) - 16:00, 5 September 2024
  • The tap code, sometimes called the knock code, is a way to encode text messages on a letter-by-letter basis in a very simple way. The message is transmitted...
    13 KB (1,408 words) - 01:17, 9 June 2025
  • Thumbnail for Cryptography
    Cryptography (redirect from Secret code)
    keystream. Message authentication codes (MACs) are much like cryptographic hash functions, except that a secret key can be used to authenticate the hash...
    100 KB (11,007 words) - 01:11, 20 June 2025
  • Thumbnail for Digital signature
    private key. A digital signature is an authentication mechanism that enables the creator of the message to attach a code that acts as a signature. The Digital...
    45 KB (5,315 words) - 16:52, 11 April 2025
  • is a simple key derivation function (KDF) based on the HMAC message authentication code. It was initially proposed by its authors as a building block...
    6 KB (697 words) - 23:35, 14 February 2025
  • SipHash (category Public-domain software with source code)
    for any message Y ∉ {Xi} which they have not seen before. SipHash computes a 64-bit message authentication code from a variable-length message and 128-bit...
    14 KB (1,342 words) - 17:18, 17 February 2025
  • problematic when the hash is used as a message authentication code with construction Hash(secret ‖ message), and message and the length of secret is known...
    8 KB (1,082 words) - 12:51, 23 April 2025
  • PMAC (cryptography) (category Message authentication codes)
    message authentication code algorithm. It was created by Phillip Rogaway. PMAC is a method of taking a block cipher and creating an efficient message...
    1 KB (124 words) - 08:24, 27 April 2022
  • Thumbnail for Enigma machine
    fourth rotor. The Abwehr code had been broken on 8 December 1941 by Dilly Knox. Agents sent messages to the Abwehr in a simple code which was then sent on...
    93 KB (11,280 words) - 00:18, 16 June 2025
  • Canetti, Ran (February 1997). "RFC 2104 – HMAC: Keyed-Hashing for Message Authentication". Internet Engineering Task Force. doi:10.17487/RFC2104. Archived...
    46 KB (4,710 words) - 10:55, 16 June 2025