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 Post subject: Setting up Win10 Hello
PostPosted: Sat Jan 07, 2017 1:17 pm 
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Joined: Mon Jun 27, 2016 9:25 pm
Posts: 3
Hi,

I've been waiting for this app since it was teased on Yubico's blog a few months ago. I believe it has the potential to solve many concerns about secure logon with desktop computers. The MacOS app is almost there, too (though quite not, but that's a different topic).

However, I am having trouble with the setup of this Win10 Hello app. Apparently, my Yubikey can't be used this way because I have set up a pin to protect it against unwanted modifications. This is documented as a Known Issue right on the product page:
https://www.yubico.com/support/knowledg ... hello-app/
However, the message displayed by the Hello app itself doesn't match what is described in that page; since I don't want to be locked out of my session, I am not going to try.

But most worrying is this other known issue:
Quote:
There is currently no way to require the YubiKey to unlock your system — you can always access your account using your PIN or password.

I'd love to have a time frame on this because, as I understand it, this issue renders the whole thing completely useless. I hope I am mistaken or that it will be solved very soon?

Thanks,


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PostPosted: Sun Jan 08, 2017 11:49 pm 
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Yubico Team
Yubico Team

Joined: Thu Oct 16, 2014 3:44 pm
Posts: 263
You can't lock yourself out of your account by setting up Windows Hello - you can still log in with your password or your PIN.

Currently a Windows limitation, no ETA (up to Microsoft). Given the current limitations of the CDF, this app is for convenience.


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PostPosted: Sat Feb 11, 2017 10:25 pm 
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Joined: Sat Feb 11, 2017 10:01 pm
Posts: 2
Does the Hello app use one of the two slots of a Yubikey 4? If not, where does it store its data? Will it overwrite anything on the Yubikey?

I get the message "An error has occurred. Try again. Insert one valid YubiKey, then press Continue." when I try to add a Yubikey to the app. I am using Windows 10 Home edition and I haven't used Yubico Authenticator. Is there any way to tell what the problem is?


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PostPosted: Sun Feb 12, 2017 9:46 am 
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Yubico Team
Yubico Team

Joined: Thu Oct 16, 2014 3:44 pm
Posts: 263
No, it uses the OATH applet, same as Yubico Authenticator. CCID mode has to be enabled in order to register a YubiKey 4/NEO, and you have to make sure a password isn't set in Yubico Authenticator. "An error has occurred" doesn't help much, it's a generic error. The only way I can get that is if I pull the YubiKey while the app is trying to communicate with it.


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PostPosted: Sun Feb 12, 2017 7:42 pm 
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Joined: Sat Feb 11, 2017 10:01 pm
Posts: 2
Thanks for the info Chris... after doing a little searching around I found that the smart card can't be used by more than one applet at once:

viewtopic.php?f=26&t=1869
viewtopic.php?f=35&t=2231

In my case, scdaemon which is used for SSH/PGP stuff was apparently blocking the app from using the OATH applet. After killing scdaemon (and adding card-timeout) I was able to register the Yubikey with the app. However it's a bit flaky. Sometimes one of the two features doesn't work, and sometimes errors like "ERR 100663404 Card error <SCD>" appear in the scdaemon log. Removing the card and re-inserting it sometimes makes it behave, but sometimes it stays broken. In any case, maybe you can get someone to add info about the usage conflict into the docs.


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