> There's been a lot of traffic on this list recently I'm guilty as charged! Apologies to those not interested in finer points of LRW!
> I had a quick question about the GMAC proposal. Could we get some GMAC-only > test vectors > added to the GCM spec? In particular, I'm interested in a test vector that > has a > non-zero AAD length and a zero plaintext length. Preferably, the AAD would > be at least > 256-bits long. David McGrew, would you be able to provide something like > this? This > would be really helpful for testing GMAC. The best freely available, and fully-featured, GCM software implementation is from Brian Gladman, http://fp.gladman.plus.com/aes/index.htm, scroll down and look for link to zip file called modes.zip. Just write a simple C program around this to print out some test vectors. Colin.
