On Tuesday, February 20, 2018 at 8:44:36 PM UTC+1, William Bormann wrote:
> > oh, you make a good point. I indeed made an assumption that it was about 
> > lock-out by the "reading guides" line, and I somehow missed the line 
> > regarding Google and Facebook services. I must then have misunderstood, I 
> > apologize. 
> > 
> > I just tested the Yubi key I got laying around, it works in sys-usb, or 
> > whereever the controller is located, be it dom0 or another AppVM with a 
> > working USB controller. But it doesn't seem like either the qvm-usb (or its 
> > GUI counterpart in the menu-widget introduced in Qubes 4, works. At least 
> > it doesn't appear on my system.
> > 
> > But it works wherever the USB controller is located, just not in the VM's 
> > that are virtually linked with qvm-USB and the GUI-widget counterpart.
> > 
> > As such, one can probably estimate the Yubi key working, if one has a 
> > working USB controller to spare, and that USB controller can feasibly be 
> > passed directly to the AppVM. But it can be tricky to find hardware that 
> > allows passthrough, especially considering the drivers are often not made 
> > for it, as well as there aren't terribly many products with multiple 
> > controllers on them to pick between. On laptops, it's hard to know in 
> > advance how many controllers there are, as it's not a marketing 
> > information, nor something frequently found in product reviews, quite 
> > frustrating. But if determined, can probably get extra USB controllers to 
> > spare, but it might be on the expensive side if making a mistake, like 
> > buying a computer that only had one controller, or the extra controller 
> > can't be passed through.
> > 
> > But if one has a system with extra USB controllers, and it works to pass an 
> > USB controller directly into the AppVM (test other USB applications work), 
> > then the Yubi key should naturally work too.
> > 
> > Perhaps there are easier work-arounds, or maybe the qvm-usb/GUI-widget it 
> > works on other systems.
> 
> This is exactly what I was hoping.  I'm not planning to use it for luks or 
> Qubes user login, but as a second authentication factor when I log into Gmail 
> or (shudder) or decide to catch up on Facebook.
> 
> It turns out I do have a spare controller.  Time to bring up sys-usb.

Glad it worked out good in the end:)

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