Re: Possible bug in GCM/GMAC with (just) AAD of size unequal to block size

2014-11-19 Thread William McGovern
> On Nov 19, 2014, at 5:03 PM, Maarten Bodewes > wrote: > > Hi all, > > I would be very grateful if somebody could explain why the following problem > occurs: > > a test vector with an AAD of 20 bytes created an authentication tag that is > not correct, > this could for instance be a paddin

Re: Possible bug in GCM/GMAC with (just) AAD of size unequal to block size

2014-11-19 Thread William McGovern
> On Nov 19, 2014, at 6:09 PM, William McGovern wrote: > > >> On Nov 19, 2014, at 5:03 PM, Maarten Bodewes > <mailto:maarten.bode...@gmail.com>> wrote: >> >> Hi all, >> >> I would be very grateful if somebody could explain why the followi

Re: Possible bug in GCM/GMAC with (just) AAD of size unequal to block size

2014-11-19 Thread William McGovern
> On Nov 19, 2014, at 6:26 PM, William McGovern wrote: > > >> On Nov 19, 2014, at 6:09 PM, William McGovern > <mailto:w...@thaiglish.com>> wrote: >> >> >>> On Nov 19, 2014, at 5:03 PM, Maarten Bodewes >> <mailto:maarten.bode...@gma

Re: Possible bug in GCM/GMAC with (just) AAD of size unequal to block size

2014-11-19 Thread William McGovern
> On Nov 19, 2014, at 6:26 PM, William McGovern wrote: > > >> On Nov 19, 2014, at 6:09 PM, William McGovern > <mailto:w...@thaiglish.com>> wrote: >> >> >>> On Nov 19, 2014, at 5:03 PM, Maarten Bodewes >> <mailto:maarten.bode...@gma