Message Authentication Codes (MAC)

MACs provide integrity and authenticity, and are often combined with a hash function (H) or a block cipher (BC).

Message authentication codes (MAC) in Crypto Go

MAC cards allow building a Crypto Set CS3 (Integrity + Authentication), when combined with a H card or a BC card.

MAC building a CS3, with a BC

MAC building a CS3, with a H

Crypto Go contains 28 MAC cards, considering the following 7 concrete tools:

  • CMAC
  • EMAC
  • AMAC
  • HMAC
  • UMAC
  • GMAC
  • Poly1305

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(c) Copyright 2018 of Crypto Go. Universidad Carlos III de Madrid. Universidad Rey Juan Carlos. All rights reserved, unless it is stated otherwise.