Comment # 4 on bug 1166499 from Wolfgang Bauer

(In reply to Stakanov Schufter from comment #3)
> (In reply to Wolfgang Bauer from comment #2)
> > PS: there was an update to libgcrypt 3 days ago.
> > Does it maybe help if you reinstall the older version?
> > 
> > E.g. Open YaST->Software Management, search for the package (libgcrypt20 in
> > this case), and click on the "Versions" tab to install the previous version.
> 
> Yes, this does restore functionality.
So it is actually a problem in libgcrypt it seems, reassigning.

> However, there is a problem with this provider as it seems. I have the same
> also with 15.2 beta (but the sending works and the reception fails). 
> I suppose 15.2 beta and current 15.1 share the same library?
I assume this is the case, yes. Or at least they share the same bug.