.. hazmat:: Message authentication codes ============================ While cryptography supports multiple MAC algorithms, we strongly recommend that HMAC should be used unless you have a very specific need. For more information on why HMAC is preferred, see `Use cases for CMAC vs. HMAC?`_ .. toctree:: :maxdepth: 1 cmac hmac poly1305 .. _`Use cases for CMAC vs. HMAC?`: https://crypto.stackexchange.com/questions/15721/use-cases-for-cmac-vs-hmac