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Message authentication code

Ciro Santilli (@cirosantilli, 37) ... Computer Computer science Cryptography Ciphertext, plaintext, key and salt Key (cryptography) Pre-shared key
Updated 2025-07-16  1 By others on same topic  0 Discussions Create my own version
Bibliography:
  • crypto.stackexchange.com/questions/59958/is-it-safe-to-hash-a-packet-with-a-shared-secret-to-prove-authenticity

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 Articles by others on the same topic (1)

Message authentication code by Wikipedia Bot 0
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A Message Authentication Code (MAC) is a cryptographic checksum on data that provides integrity and authenticity assurances on a message. It is designed to protect both the message content from being altered and the sender's identity from being impersonated. ### Key Features of a MAC: 1. **Integrity**: A MAC helps to ensure that the message has not been altered in transit. If even a single bit of the message changes, the MAC will also change, allowing the recipient to detect the alteration.
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