All Questions
11
questions
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-...
3
votes
2
answers
3k
views
Yubikey ssh authentication fails with "signing failed for ECDSA-SK"
I have a Yubikey (Security Key NFC by Yubico) that I'm trying to set up on a Linux machine for SSH authentication in Discoverable keys mode. I've followed this tutorial and created the keys with
ssh-...
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 ...
1
vote
1
answer
459
views
How can I use a U2F hardware authenticator to unlock a SSH key in a computer I am SSH'd into?
I have a number of computers on which I've generated a ed25519-sk SSH key all using the same U2F hardware authenticator (yubikey 5C NFC). I'm now in a situation involving three computers: X, Y, and Z. ...
1
vote
2
answers
3k
views
Unable to use Windows OpenSSH agent with GPG Agent and Yubikey
I have a Yubikey which has ed25519 certificates loaded onto it. One of these is an authentication certificate. I'm able to export the sha has of this by running gpg --export-ssh-key {key_id}, and ...
1
vote
1
answer
493
views
What is the cryptographic relationship between an ssh key and my Yubikey?
I am curious what is the cryptographic relationship between the generated ssh private (and public) key when I use my Yubikey to add an extra layer of protection.
Does ssh-keygen write anything into ...
0
votes
1
answer
2k
views
SSH Using YubiKey 5 and ED25519 Algorithm
I am starting to use a YubiKey 5 to ssh into remote boxes instead of using a software key. I am generating the keys using this command:
ssh-keygen -t ed25519-sk
This works when I ssh into Ubuntu, but ...
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#...
-1
votes
1
answer
923
views
Using ssh key on Yubikey on Sourcetree program
I can not make sourcetree work with the ssh key that i have in my yubikey.
Does anybody know how can i fix it?
Thank you.
P.D: I have tried different recommendations that i found on the internet, ...
0
votes
1
answer
312
views
make .ssh/id_rsa read key from yubikey
I have my ssh keys within a yubikey, I use gpg-agent.conf with something like this:
pinentry-program /usr/local/bin/pinentry-mac
enable-ssh-support
default-cache-ttl 60
max-cache-ttl 120
This helps ...
6
votes
2
answers
20k
views
How to setup SSH/PuTTY to use Yubikey OpenPGP authentication?
I would like to use YubiKey's OpenPGP interface to authenticate myself against my OpenSSH server on Windows 10:
I created the keys according to this:
gpg --card-status
Reader ...........: Yubico ...