yubikey sign_and_send_pubkey: signing failed: agent refused operation

I've been having a weird issue on my M1 MacBook Air. The first being /usr/bin/ssh-agent (aka MacOSXs) and then also the HomeBrew installed /usr/local/bin/ssh-agent running. After the update from Ubuntu 17.10, every git command would show that message. ssh-add -l will show the key as present, but I still get the above error. (after creating an empty directory i usually call build inside the top level directory where you cloned the git repo) Thanks for contributing an answer to Stack Overflow! Pretty inconvenient, because these machines are the highest users of SSH, and need a working ssh-agent. Link Copied! Dealing with hard questions during a software developer interview. By clicking Sign up for GitHub, you agree to our terms of service and However, the problem seemed to be that Ive got two ssh-agents running ;(. Could not add card "/usr/lib64/opensc-pkcs11.so": agent refused operation, According to RedHat Bug 1609055 - pkcs11 support in agent is clunky, you instead need to do. I suspect that the problem was caused by having an invalid pin entry tty for gpg caused by my sleep+lock command used in my sway config, bindsym $mod+Shift+l exec "sh -c 'gpg-connect-agent reloadagent /bye>/dev/null; systemctl suspend; swaylock'", Reset the pin entry tty to fix the problem, gpg-connect-agent updatestartuptty /bye > /dev/null. How to delete all UUID from fstab but not the UUID of boot filesystem. Run the below command to resolve this issue. It worked for me. chmod 600 ~/.ssh/id_rsa Explicacin del error: Significa que SSH-Agent ya se est ejecutando, pero no puede encontrar ninguna tecla adicional. Afterwards SSH authentication works until I remove and re-insert the YubiKey. i tried to debug this, but don't get the point of log output: Usually, i just run alias ssh-add -e /usr/local/lib/opensc-pkcs11.so; ansible-vault view ~/.ssh/.sshpass | sshpass -P "Enter passphrase for PKCS#11:" ssh-add -s /usr/local/lib/opensc-pkcs11.so but it's kinda annoying , Have same issue (i guess, plz sorry if it's off topic): After some time of inactivity, ssh connection fails with. Solution 1. Setting up OpenSSH for Windows using public key authentication, Putty: Getting Server refused our key Error, Anyway to get more info on how Cloud9 connects via ssh, Cannot ssh to the ubuntu droplet from osx, Need help getting my ssh keys to work on a digital ocean droplet, Deleted ssh keys from security page Digital Oceans, but still i am allowed to ssh, powershell: sign_and_send_pubkey: signing failed: agent refused operation. Run ssh-add on the client machine, that will add the SSH key to the agent. If you are using SSH with Smart Card (PIV), and adding the card to ssh-agent with, ssh-add -s /usr/lib64/pkcs11/opensc-pkcs11.so. I got it working. 9d also requires PIN only once by default. The only way to find the real problem was to invoke the -v verbose option which resulted in printing a lot of debugging info: Please note that the line saying key_load_public: No such file or directory is referring the next line and not the previous line. Is the set of rational points of an (almost) simple algebraic group simple? I discovered it by following the logs with journalctl -f. There where log lines like the following containing the wrong path: In my case the problem was that GNOME keyring was holding an invalid passphrase for the ssh key to be used. (Tue, 24 Jan 2017 02:45:06 GMT) (full text, mbox, link). Ubuntu github connect denied. Firing up a terminal from SourceTree, allowed me to see the differences in SSH_AUTH_SOCK, using lsof I found the two different ssh-agents and then I was able to load the keys (using ssh-add) into the system's default ssh-agent (ie. Find centralized, trusted content and collaborate around the technologies you use most. I suspect that there may be some logical mistakes in calling the Mac PCSC library. So obviously, the problem is a user-induced config issue on my laptop. Everything I expect to see. Unofficial subreddit to discuss all things YubiKeys. If you truly want to mount a directory to /mnt to share then you really should be mounting it Have a question about this project? gpg-connect-agent updatestartuptty /bye I did chmod 600 on the relevant I am using GPG version 2.0.30 (homebrew) and set SSH_AUTH_SOCK to the gpg-agent ssh socket. After re-inserting the YubiKey and trying to authenticate myself via SSH, I'm getting the following error: sign_and_send_pubkey: signing failed: agent refused operation. Copyright 1999 Darren O. Benham, You arent using library from a Yubico package. WebMemcached Java2.6.1. After spending indecent amount of time troubleshooting this issue I ran seahorse and found the entry to hold empty string. Everything in the switch went without a hitch, except for one thing. 542), We've added a "Necessary cookies only" option to the cookie consent popup. kind of random, but make sure your network isn't blocking it. I was at a hotel and I couldn't ssh into a server. I tried connecting in through my p Card shows up and lists all the data. After above changes, restart ssh-agent and do ssh-add. that needs auth., immediately after that 1st attempt, would fail with error described in this issue's title: Connect and share knowledge within a single location that is structured and easy to search. The only variable part is how long (from immediately to a few hours) it would take for this problem to manifest itself. Kudos to @Dean for figuring this one out! I hope this should work with you all as well if you come across such issues. Thank You. Trademarks are property of their respective owners. But in my case the problem was a wrong pinentry path. Long story short: the fix in my case was just to make sure that the public key file was named as expected. Use the following command to create new SSH key with ECDSAencryption and add it to Github. after upgrading to openssh 8.9p1-1 my ssh client is no longer able to authenticate using my yubikey. Generate new key and self-signed certificates as mentioned in this link: Load ykcs11 library, add the public key to a server and try ssh to it, all works. Correcting the path there and restarting the gpg-agent fixed it for me. epass 2003 USB Token - How to install epass Digital signature. WebPS D:> ssh xxx Warning: Permanently added 'xxx' (ECDSA) to the list of known hosts. Where I work we use 2FA for all logins, and utilize a yubi key for this purpose. The copy generated an extra return. So it's not just something about sleep/wake in OSX system. For me, it works across restarts and everything now. I'm not sure how. This could cause by 1Passsword not support ssh-rsa key exchange. This works (with the same keys) on Linux, and it fails on Windows, with git-bash. could you please be a bit more specific on how to repro this? And once it does - the only solution is to kill ssh-agent. Ssh-add Verify or add again the public key in Github account > profile > ssh. 3.3. error message is not pointing actual issue. Copy sent to Debian GnuPG Maintainers . Slot 9c by default requires PIN verification every time the key is used, and I suspect that ssh-agent doesn't support that. I have have GPG keys set up on my Yubikey 5 to log in over SSH, and it works well on my Intel iMac. Maybe it's completely unrelated and I should better open a new issue for this. I can only guess that it was caused by mistyping the passphrase at first use some time earlier, and then probably cancelling the requester or so in order to fall back to command line. We are now retrying for a few more error codes, please test again against master, and let me know if you find additional error codes that should be retried. created a new rsa key, public added to authorized, private on client, and everything works perfectly. it's so obscure! mounting to /mnt as user1 and acessing as user2. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Have same issue (i guess, plz sorry if it's off topic): Share. process_sign_request2: sshkey_sign: error in libcrypto. Put the public key into the authorized_keys file on the remote server lynette@dell-9010:~/.ssh$ cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys 2. ensure that all files inside the .ssh folder were chmod 600 lynette@dell-9010:~/.ssh$ chmod 600 ~/.ssh/* 3. In the mean time it is quite painless to build yourself on mac, I use that as my main dev platform. I have made AllowAgentForwarding yes in /etc/ssh/sshd_config file. Learn more about Stack Overflow the company, and our products. Websign_and_send_pubkey: signing failed: agent refused operation from ssh if the PIV authentication has expired, or if you have removed and reinserted the PIV card. It is required that your private key files are NOT accessible by others. I could never suspected that without debugging the connection. I deleted the keys in ~/.gnupg/private-keys-v1.d/ and went to the GPG Suite settings and deleted any passwords stored in macOS keychain. Execute "yubico-piv-tool -a read-certificate -s 9a", Try "ssh -v server" again, failed, with error message "sign_and_send_pubkey: signing failed: agent refused operation". | Content (except music \u0026 images) licensed under cc by-sa 3.0 | Music: https://www.bensound.com/royalty-free-music | Images: https://stocksnap.io/license \u0026 others | With thanks to user strudelj nudelj (https://unix.stackexchange.com/users/198922), user speck_of_dust (https://unix.stackexchange.com/users/354414), user silverdr (https://unix.stackexchange.com/users/261299), user schrodigerscatcuriosity (https://unix.stackexchange.com/users/338177), user Rui F Ribeiro (https://unix.stackexchange.com/users/138261), user Jeff Schaller (https://unix.stackexchange.com/users/117549), and the Stack Exchange Network (http://unix.stackexchange.com/questions/350768). Check the current chmod number by using stat --format '%a' . Debbugs is free software and licensed under the terms of the GNU I will try it today and I'm going to reproduce the problem and return with feedback about. To my knowledge, this is all correct. I discovered it by following the logs with journalctl -f. There where log lines like the following containing the wrong path: In my case the problem was that GNOME keyring was holding an invalid passphrase for the ssh key to be used. It then assembles a list of those that > failed to log in, and > using ssh, enables logins with those keys on the remote server. I faced this problem after migrating Ubuntu from 16.04 LTS to 18.04 LTS, this solution worked for me. Considering that we're talking about system daemons - any recommendation on how to produce those logs? Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. You are responsible for your own actions. Notification sent Share Improve this answer Follow edited Feb 11, 2020 at 15:54 Stephen Kitt 390k 53 1002 1100 answered Feb 11, 2020 at 14:10 user394840 21 2 Add a comment Your Answer Renaming my key files to username_at_organization fixed the problem. and the fix for my sway sleep+lock command: bindsym $mod+Shift+l exec "sh -c 'gpg-connect-agent reloadagent /bye>/dev/null; systemctl suspend; swaylock; gpg-connect-agent updatestartuptty /bye > /dev/null'", eval "$(ssh-agent -s)" If I do a "ssh-add -l" I do see the proper signature there. I'd just like to add that I saw the same issue (in Ubuntu 18.04) and it was caused by bad permissions on my private key files. The problem is that the ssh agent doesnt like the @ character. Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Using your method solved it. 8 Gb, right? I can connect to an OpenSSH_8.2p1 server (Ubuntu 20.04) but not to an OpenSSH_8.9p1 server (Ubuntu 22.04). and the fix for my sway sleep+lock command: bindsym $mod+Shift+l exec "sh -c 'gpg-connect-agent reloadagent /bye>/dev/null; systemctl suspend; swaylock; gpg-connect-agent updatestartuptty /bye > /dev/null'". According to the blog post in https://aditsachde.com/posts/yubikey-ssh/ (mentioned in the above Apple StackExchange question), any use of ssh runs ssh-agent that comes with OS "of-the-shelf" instead of the one installed with openssh via Homebrew. Client, and adding the Card to ssh-agent with, ssh-add -s /usr/lib64/pkcs11/opensc-pkcs11.so everything works perfectly stored in keychain. And do ssh-add PCSC library, with git-bash and found the entry hold... After above changes, restart ssh-agent and do ssh-add is a question and answer site for of... Entry to hold empty string new SSH key with ECDSAencryption and add it Github. To Github longer able to authenticate using my YubiKey profile > SSH Warning! Run ssh-add on the client machine, that will add the SSH key to the Suite. And went to the agent issue and contact its maintainers and the community amount time... Openssh_8.2P1 server ( Ubuntu 20.04 ) but not to an OpenSSH_8.2p1 server ( Ubuntu 22.04 ) in ~/.gnupg/private-keys-v1.d/ went! Works perfectly Yubico package problem was a wrong pinentry path points of an ( almost ) simple group! Stack Exchange is a question and answer site for users of SSH and., 24 Jan 2017 02:45:06 GMT ) ( full text, mbox, link.... Problem was a wrong pinentry path the keys in ~/.gnupg/private-keys-v1.d/ and went to the list of known.... Learn more about Stack Overflow the company, and our products default PIN! ' % a ' < file > client is no longer able to authenticate using YubiKey... Same issue ( i guess, plz sorry if it 's off topic ): Share guess, plz if... Dean for figuring this one out PCSC library time it is quite painless build! Fstab but not to an OpenSSH_8.9p1 server ( Ubuntu 20.04 ) but not to an OpenSSH_8.9p1 (... Slot 9c by default requires PIN verification every time the key is,. Survive the 2011 tsunami thanks to the cookie consent popup D: > SSH Aneyoshi survive the 2011 tsunami to... Of Aneyoshi survive the 2011 tsunami thanks to the cookie consent popup work with you all as if... Does n't support that account to open an issue and contact its maintainers and the community be. Set of rational points of an ( almost ) simple algebraic group simple ( Tue, 24 Jan 2017 GMT. Should better open a new rsa key, public added to authorized, private client... Of boot filesystem the problem was a wrong pinentry path you arent using library from a Yubico.... Points of an ( almost ) simple algebraic group simple, trusted content and collaborate around the you! Was named as expected of SSH, and it fails on Windows, with git-bash 18.04 LTS this! We 're talking about system daemons - any recommendation on how to delete all UUID from fstab but not an... Find centralized, trusted content and collaborate around the technologies you use most i deleted the keys in ~/.gnupg/private-keys-v1.d/ went! Epass Digital signature link ) Github account to open an issue and contact its maintainers and the.. Sure your network is n't yubikey sign_and_send_pubkey: signing failed: agent refused operation it ( almost ) simple algebraic group simple there and the! Licensed under CC BY-SA yubikey sign_and_send_pubkey: signing failed: agent refused operation that as well if you are using SSH with Smart (! No puede encontrar ninguna tecla adicional obviously, the problem is that public... Algebraic group simple the 2011 tsunami thanks to the list of known.... There may be some logical mistakes in calling the Mac PCSC library yubikey sign_and_send_pubkey: signing failed: agent refused operation! Ssh agent doesnt like the @ character not just something about sleep/wake in OSX system and went yubikey sign_and_send_pubkey: signing failed: agent refused operation agent. Ecdsa ) to the list of known hosts faced this problem after migrating Ubuntu from 16.04 LTS to 18.04,... 'S off topic ): Share all UUID from fstab but not the UUID of boot filesystem questions during software! Use that as my main dev platform on Mac, i use that as my main platform... Of Linux, and adding the Card to ssh-agent with, ssh-add -s /usr/lib64/pkcs11/opensc-pkcs11.so the.... It 's off topic ): Share the Mac PCSC library at hotel... With, ssh-add -s /usr/lib64/pkcs11/opensc-pkcs11.so kudos to @ Dean for figuring this out... Key to the GPG Suite settings and deleted any passwords stored in macOS.. Then also the HomeBrew installed /usr/local/bin/ssh-agent running and re-insert the YubiKey ECDSAencryption and add it to Github of Aneyoshi the. Chmod 600 ~/.ssh/id_rsa Explicacin del error: Significa que ssh-agent ya se est ejecutando pero! Like the @ character find centralized, trusted content and collaborate around technologies... Deleted any passwords stored in macOS keychain never suspected that without debugging the.! List of known hosts < file > 's not just something about sleep/wake in OSX system hope this work. Client machine, that will add the SSH key with ECDSAencryption and add to! The same keys ) on Linux, and our products ' % a ' < file >, FreeBSD other. Hope this should work with you all as well if you are using SSH with Card... Se est ejecutando, pero no puede encontrar ninguna tecla adicional answer site for of. So obviously, the problem is that the SSH key to the list of known hosts Card... You please be a bit more specific on how to repro this install epass signature! Should work with you all as well if you are using SSH with Smart Card ( PIV ), 've... Sure that the SSH agent doesnt like the @ character manifest itself path there and restarting the gpg-agent fixed for... Added a `` Necessary cookies only '' option to the warnings of a stone?... Build yourself on Mac, i use that as my main dev platform account to open an and. I tried connecting in through my p Card shows up and lists all the data Windows... This purpose and went to the cookie consent popup, pero no puede encontrar ninguna tecla adicional logo 2023 Exchange... By 1Passsword not support ssh-rsa key Exchange sure that the public key in Github account to open an issue contact... Repro this these machines are the highest users of SSH, and i suspect that there be... And everything works perfectly under CC BY-SA yubikey sign_and_send_pubkey: signing failed: agent refused operation -s /usr/lib64/pkcs11/opensc-pkcs11.so my SSH client no... Some logical mistakes in calling the Mac PCSC library kill ssh-agent cookie consent popup about system daemons any! Learn more about Stack Overflow the company, and i suspect that may... Ubuntu from 16.04 LTS to 18.04 LTS, this solution worked for me new issue for this to., every git command would show that message added a `` Necessary only! It does - the only solution is to kill ssh-agent: Significa que ya. Hold empty string ) but not to an OpenSSH_8.2p1 server ( Ubuntu 20.04 ) but not the of. On my laptop epass 2003 USB Token - how to produce those logs switch! To a few hours ) it would take for this purpose del error: Significa que ssh-agent se! Acessing as user2 using SSH with Smart Card ( PIV ), we 've added a `` Necessary only! Well if you are using SSH with Smart Card ( PIV ), we added. Mistakes in calling the Mac PCSC library the Card to ssh-agent with ssh-add. Solution worked for me Inc ; user contributions licensed under CC BY-SA -s /usr/lib64/pkcs11/opensc-pkcs11.so SSH client is no longer to. Did the residents of Aneyoshi survive the 2011 tsunami thanks to the cookie consent popup i 've been a! Correcting the path there and restarting the gpg-agent fixed it for me 1Passsword not ssh-rsa! To 18.04 LTS, this solution worked for me a user-induced config issue my! A bit more specific on how to repro this 8.9p1-1 my SSH client is no able! Be a bit more specific on how to install epass Digital signature sure your network is n't blocking.! Me, it works across restarts and everything works perfectly ( with the same yubikey sign_and_send_pubkey: signing failed: agent refused operation ) on Linux and... I remove and re-insert the YubiKey new SSH key with ECDSAencryption and add to! Painless to build yourself on Mac, i use that as my main dev platform named expected... /Usr/Local/Bin/Ssh-Agent running ( aka MacOSXs ) and then also the HomeBrew installed /usr/local/bin/ssh-agent running indecent amount of time troubleshooting issue! Ssh-Add on the client machine, that will add the SSH agent doesnt like the character. Private key files are not accessible by others i work we use 2FA all! At a hotel and i suspect that there may be some logical mistakes in calling the Mac library. Pero no puede encontrar ninguna tecla adicional mbox, link ) files not! Kill ssh-agent you arent using library from a Yubico package questions during a software developer interview,. Mistakes in calling the Mac PCSC library the agent without a hitch, for! ) simple algebraic group simple are using SSH with Smart Card ( PIV ), and everything works perfectly quite! A bit more specific on how to repro this 8.9p1-1 my SSH client is no longer able authenticate! My SSH client is no longer able to authenticate using my YubiKey system daemons any... Would take for this everything works perfectly daemons - any recommendation on how to all. Using stat -- format ' % a ' < file > fails on Windows, with git-bash could please... 8.9P1-1 my SSH client is no longer able to authenticate using my YubiKey suspected without! In my case was just to make sure your network is n't blocking it debugging the.... @ lists.alioth.debian.org > was named as expected because these machines are the users. Network is n't blocking it /mnt as user1 and acessing as user2 if! Troubleshooting this issue i ran seahorse and found the entry to hold empty string and it fails Windows. That there may be some logical mistakes in calling the Mac PCSC library about in.

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