> On Nov 19, 2014, at 5:03 PM, Maarten Bodewes <maarten.bode...@gmail.com> > 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 padding bug in OpenSSL's GCM implementation. > > Ref: http://stackoverflow.com/q/27023287/589259 > <http://stackoverflow.com/q/27023287/589259> > > The Bouncy Castle implementation does seem to generate the correct value for > the same test vector. > > I'll try and execute the code, but currently my openssl development > environment is not up. > > Regards, > Maarten
I built your code against 1.0.1j and got the expected result for the authtag on your test vector: should be: c75b7832b2a2d9bd827412b6ef5769db result is: c75b7832b2a2d9bd827412b6ef5769db $ openssl version OpenSSL 1.0.1j 15 Oct 2014
