Thanks for the pointer to the source code. I went ahead and compiled it and generated two new test vectors for a 128-bit and 256-bit AAD (with no plaintext). Here they are for reference:
KEY feffe9928665731c6d6a8f9467308308 IV cafebabefacedbaddecaf888 AAD feedfacedeadbeeffeedfacedeadbeef TAG 54df474f4e71a9ef8a09bf30da7b1a92 KEY feffe9928665731c6d6a8f9467308308 IV cafebabefacedbaddecaf888 AAD feedfacedeadbeeffeedfacedeadbeefabaddad242831ec2217774244b7221b7 TAG 1cbe3936e553b08f25c08d7b8dc39fdb -Matt -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Colin Sinclair Sent: Friday, December 16, 2005 9:59 AM To: [EMAIL PROTECTED] Subject: RE: P1619.1 (Tape): GMAC Test vectors Well I never, that's the first time I've come across a URL which is case sensitive. Try capitalising the AES then it works. I was browsing on a different machine to my email; I just typed it in without thinking. http://fp.gladman.plus.com/AES/index.htm > -----Original Message----- > From: Matt Ball [mailto:[EMAIL PROTECTED] > Sent: 16 December 2005 16:39 > To: [EMAIL PROTECTED]; [EMAIL PROTECTED] > Subject: RE: P1619.1 (Tape): GMAC Test vectors > > > Hi Colin, > > Would you mind double-checking the link below? I tried it out, but got a > 'Not Found' > error on my web browser. It looks like Brian has deleted the /aes/ directory. > > Thanks, > -Matt > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Colin > Sinclair > Sent: Friday, December 16, 2005 9:16 AM > To: [EMAIL PROTECTED] > Subject: RE: P1619.1 (Tape): GMAC Test vectors > > > > 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. >
