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

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

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