I know this is probably a FAQ, however, after some searching I found nothing newer on the topic than almost 2 years ago.
It would seem that Gallery2 now uses a true mySQL user table. And an md5 password scheme. I poked around the Gallery code to see about the possiblilty of integrating the phpBB2 user auth schema. But alas, the code beat me up a bit.
Obviously, the goal is to eliminate having to login to phpBB2 and then Gallery2 as well.
If anyone can point me to a thread, or help me flesh this out a bit more, I'd be happy to hear from you.
Are most people simply using some other workaround/hack or simply requiring the double login?