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Questions tagged [yubikey]

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18 questions with no upvoted or accepted answers
2 votes
0 answers
371 views

ssh-add -s Win10

I am unable to add my card using ssh-add -s on Windows 10, ssh-agent is running. Getting below error: C:\Program Files\Yubico\Yubico PIV Tool\bin>ssh-add -s libykcs11.dll Enter passphrase for PKCS#...
gy082517's user avatar
2 votes
0 answers
2k views

Bitlocker Full Drive Encryption with YubiKey

I'd like to secure the hard discs of a new Windows 10 (Pro/Enterprise) PC with BitLocker full disc encryptuon using hardware tokens and PIN (real 2FA). How can I set up a YubiKey so I can use it as ...
Sam's user avatar
  • 2,124
2 votes
0 answers
1k views

Why can't I add an elliptic curve certificate (smartcard, Yubikey, piv) as protector to a BitLocker protected partition?

Yubikey as SmartCard I have been using a SmartCard (Yubikey 4, PIV interface) with RSA certificate to unlock BitLocker protected drives. The certificates are self-signed and generated by the Encrypted ...
A71's user avatar
  • 552
1 vote
1 answer
60 views

store onion address inside yubikey

I would like to be able to save an onion (v3) address, without the final string .onion inside a yubikey safely. I want the yubikey that provide this address in plain text at the touch event. I have ...
st3b1t's user avatar
  • 11
1 vote
0 answers
71 views

YubiKey Authenticator App doesn't recognize YubiKey after unlocking the card via PinEntry

I've got a pretty basic password/OTP set up on macOS: my YubiKey has the sig/aut/enc subkeys to encrypt/decrypt my passwords in the password store my OTPs are solely on my YubiKey - I use the Yubikey ...
tpschmidt's user avatar
  • 111
1 vote
0 answers
782 views

Error when register Yubikey Bio with website

I am having an issue registering a yubikey bio with a website. I have managed to register a Yubikey 5 series with the website without issue however when I try with the Yubikey bio I get an error like ...
John554's user avatar
  • 183
1 vote
0 answers
406 views

Best strategy after losing GPG/PGP key passphrase (but still access to YubiKey)

When I got my first YubiKey several years ago, I created a new GPG key specifically for it. After uploading the private key to the YubiKey (keytocard), I also stored an armored copy of the private key ...
nisc's user avatar
  • 1,112
1 vote
1 answer
4k views

gpg: decryption failed: No secret key

First, I spent an hour trying answers with similar titles so please read this through before flagging this question as a duplicate. I use a YubiKey to store my PGP private key using its smart card ...
sunknudsen's user avatar
  • 1,010
1 vote
1 answer
676 views

Programmatically unlock PIV slot 9a with OpenSC for another application

I'm using a Yubikey 4 with a certificate loaded in PIV slot 9a (PIV Authentication; OpenSC slot 0). Inside Firefox 64, I am using the OpenSC PKCS#11 driver. What I want to accomplish is to "unlock" ...
Alex's user avatar
  • 53
1 vote
0 answers
66 views

GPG should fail silently when external card is not inserted, instead of asking over and over

I'm running Linux. I have a Yubikey 4, where my GPG subkeys are stored. On the computer, gpg-agent transparently uses these keys. The problem is when I don't have my Yubikey inserted. If anything ...
mkaito's user avatar
  • 2,082
0 votes
0 answers
61 views

Windows YubiKey GPG works with putty but not terminal

I created three gpg subkeys stored on my YubiKey as described here. I added enable-ssh-support and enable-putty-support to my gpg-agent.conf file. Everything works when accessing a server with the ssh-...
user avatar
0 votes
0 answers
37 views

Cannot setup pam_oath with Yubikey: OTP not authorized to login as user

So, what I want is to login to system with Yubikey as a second factor or the only factor. I use Linux Mint 21.3, my Yubikey is 5C NFC. My /etc/pam.d/common-auth: auth [success=1 default=ignore] ...
MPEI_stud's user avatar
0 votes
0 answers
98 views

No passkey icon option on Windows 10

I am trying to enable passkey login on Windows 10 devices. I have enabled UseSecurityKeyForSignin and EnableFIDODeviceLogon as well as enabled WHfB in gpedit.msc According to RSOP, passkey login is ...
Mike's user avatar
  • 1
0 votes
1 answer
3k views

YubiKey not working (device not found) in WSL while it works perfect under Windows directly

I use Yubikey to connect to multiple servers. I am doing this under windows and this works perfectly fine with my sshconfig in the .ssh directory. Now I have a case where I need to run some things ...
Hakairo's user avatar
0 votes
0 answers
371 views

YubiKey changed identity

I unplugged my YubiKey und plugged it in a while later. When I try to login on websites using the hardware key I now get a popup from Chrome stating "the security key doesn't look familiar". ...
C5H8NNaO4's user avatar
  • 185

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