I need to implement an authentication procedure between a reader an NFC tag but being my knowledge limited in this area I will appreciated some aid in order to understand few concepts. Pardon in a...

I am trying to generate key for computing the CMAC with OpenSSL. However, these seem to fail with the error message copied below. Can someone point out where the problem is? Has anybody done CMAC ...

Is there any way to compute AES CMAC with OpenSSL/libcrypto? Preferably in a way that takes advantage of AES-NI (or any other hardware acceleration). See also CMAC Key generation with OpenSSL E...

I am attempting to use the Stanford Javascript Crypto Library to generate an CMAC-AES token for an OAuth 2.0 assertion, but I'm far from being an expert with cryptography. Can someone give an examp...