cryptography, a message authentication code (MAC), sometimes known as an authentication tag, is a short piece of information used for authenticating and integrity-checking...

either keyed-hash message authentication code or hash-based message authentication code) is a specific type of message authentication code (MAC) involving...

In information security, message authentication or data origin authentication is a property that a message has not been modified while in transit (data...

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...

Simple Authentication and Security Layer (SASL) is a framework for authentication and data security in Internet protocols. It decouples authentication mechanisms...

Output: ciphertext and authentication tag (message authentication code or MAC). Decryption Input: ciphertext, key, authentication tag, and optionally a...

chaining message authentication code (CBC-MAC) is a technique for constructing a message authentication code (MAC) from a block cipher. The message is encrypted...

Message authentication codes (MACs) are often built from block ciphers. CBC-MAC, OMAC and PMAC are examples. Disk encryption Message authentication code...

chaining message authentication code; counter with CBC-MAC) is a mode of operation for cryptographic block ciphers. It is an authenticated encryption...

that it is only suitable as a message authentication code: a keyed hash function like hash message authentication code (HMAC). That is, SHA is designed...

and authentication at the IP layer by transforming data using encryption. Two main types of transformation form the basis of IPsec: the Authentication Header...

The Message Authenticator Algorithm (MAA) was one of the first cryptographic functions for computing a message authentication code (MAC). It was designed...

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...

an authenticated encryption with additional data (AEAD) algorithm, that combines the ChaCha20 stream cipher with the Poly1305 message authentication code...

applications, notably in digital signatures, message authentication codes (MACs), and other forms of authentication. They can also be used as ordinary hash...

indicator Authentication and verification done (7th to 9th character) Card Data Input Method Cardholder Verification Method Cardholder Authentication Entity...

Multi-factor authentication (MFA; two-factor authentication, or 2FA, along with similar terms) is an electronic authentication method in which a user...

July 2011. Digest access authentication was originally specified by RFC 2069 (An Extension to HTTP: Digest Access Authentication). RFC 2069 specifies roughly...

ISO/IEC 9797-1 Information technology – Security techniques – Message Authentication Codes (MACs) – Part 1: Mechanisms using a block cipher is an international...

if it were originated from an address other than the one which was really used. Authentication Message authentication code Stream cipher attack v t e...

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...

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...

combines the well-known counter mode of encryption with the Galois mode of authentication. The key feature is the use of a synthetic initialization vector which...

each other. Bob can also send nonces but should then include a message authentication code (MAC), which Alice should check. Timestamping is another way...

CMAC is the Cipher-based Message Authentication Code, a cryptographic algorithm. CMAC may also refer to: Cerebellar model articulation controller, type...

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...

Canetti, Ran (February 1997). "RFC 2104 – HMAC: Keyed-Hashing for Message Authentication". Internet Engineering Task Force. doi:10.17487/RFC2104. Archived...

The Data Authentication Algorithm (DAA) is a former U.S. government standard for producing cryptographic message authentication codes. DAA is defined in...

Cryptographic Message Syntax (CMS), obsolete) RFC 5084 (Using AES-CCM and AES-GCM Authenticated Encryption in the Cryptographic Message Syntax (CMS),...

a key exchange algorithm, a bulk encryption algorithm, and a message authentication code (MAC) algorithm. The key exchange algorithm is used to exchange...