Message authentication codes | Error detection and correction

Message authentication code

In cryptography, a message authentication code (MAC), sometimes known as a tag, is a short piece of information used for authenticating a message. In other words, to confirm that the message came from the stated sender (its authenticity) and has not been changed. The MAC value protects a message's data integrity, as well as its authenticity, by allowing verifiers (who also possess the secret key) to detect any changes to the message content. (Wikipedia).

Message authentication code
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Related pages

UMAC | Replay attack | SipHash | Authenticated encryption | Exclusive or | K-independent hashing | One-time pad | Oracle machine | Universal hashing | Unary numeral system | Block cipher | Cryptographic hash function | SHA-3 | Cryptography | Checksum | Non-repudiation | VMAC | SHA-1 | CCM mode | Data integrity | PMAC (cryptography) | Hash function | SHA-2 | Poly1305 | Message authentication | HMAC | MMH-Badger MAC | CMAC | Digital signature | Digital signature forgery | ISO/IEC 9797-1 | Cryptographic nonce | Shared secret | Message Authenticator Algorithm | Data Encryption Standard