Currently, Carter Wegman MACs are popular. Before that, HMAC was popular. What was popular before HMAC? Was it CBC-MAC? Something else?

I know about NIST FIPS 113 "Data Authentication Algorithm" which was CBC-MAC with DES as the block cipher, from 1985. Was that actually used? Even if yes, what was used before 1985? When did people start using a MAC, and how did that early MAC work? (I think Enigma didn't have a MAC, right?)

  • $\begingroup$ The question title asks about HMAC, but the body mentions CBC-MAC. Is this international? $\endgroup$ Commented Jun 7, 2019 at 1:43
  • $\begingroup$ @MichaelSnook is it clearer after the edit? $\endgroup$
    – Z.T.
    Commented Jun 7, 2019 at 1:50
  • $\begingroup$ Looks better, yes $\endgroup$ Commented Jun 7, 2019 at 2:03


Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Browse other questions tagged or ask your own question.