I missed your answer, sorry! error message is not pointing actual issue. Run ssh-add on the client machine, that will add the SSH key to the agent. WARNING: UNPROTECTED PRIVATE KEY FILE! Bug acknowledged by developer. After attempt to use main YubiKey 5Ci with resident SSH keys in git, I started getting in situations where if ssh-add -l is not showing any identities (right after ssh-agent is killed), the card behaves fine and prompts me for: Each attempt to use SSH resident keys for any git op. | 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). Bug#851440; Package gnupg-agent. All you need is to install dependencies via homebrew, and build using cmake. After spending indecent amount of time troubleshooting this issue I ran seahorse and found the entry to hold empty string. The bottom line is USE THE SSH VERBOSE MODE (-v option) to figure out what is wrong, there could be various reasons, none that could be found on this/another thread. Use the following command to create new SSH key with ECDSAencryption and add it to Github. After upgrading Fedora 26 to 28 I faced same issue. The current version can be obtained Applications of super-mathematics to non-super mathematics, How do I apply a consistent wave pattern along a spiral curve in Geo-Nodes. Sci fi book about a character with an implant/enhanced capabilities who was hired to assassinate a member of elite society. Bug#851440; Package gnupg-agent. The version of Mac OSX is 10.12.1 debug: ykcs11.c:1977 (C_Sign): Out I've been having a weird issue on my M1 MacBook Air. I can connect to an OpenSSH_8.2p1 server (Ubuntu 20.04) but not to an OpenSSH_8.9p1 server (Ubuntu 22.04). Copy sent to Debian GnuPG Maintainers . You legend. Regarding packages Im sorry we haven't made a new release yet. ago Security tip: Bookmark the web vault to reduce phishing attempts 107 23 r/1Password Join 23 days Solution 1. Or we have a bug.. try running gpg-connect-agent updatestartuptty /bye. Yes, it would be excellent to get your feedback, thx ! By clicking Sign up for GitHub, you agree to our terms of service and I came back to working on my servers like 5 months later and it seems the changes in OpenSSH need more strict file perms. Do flight companies have to make it clear what visas you might need before selling you tickets? Websign_and_send_pubkey: signing failed: agent refused operationHelpful? Copy link. I would like to use native ssh-client from Apple. ssh-add -s /usr/lib64/pkcs11/opensc-pkcs11.so Can a VGA monitor be connected to parallel port? fatal: Could not read from remote repository. Copied SSH key from PC A doesn't work on PC B, Couldn't do some actions when access bitbucket through SSH, Cannot resolve Swift packages after 15th March 2022 in Xcode, I can't do git push: git@github.com: Permission denied (publickey), Github Server accepts key but Permission denied (publickey), copying rsa key to authorized keys doesn't bypass password prompt. bugs.debian.org/cgi-bin/bugreport.cgi?bug=835394, https://wiki.archlinux.org/index.php/GnuPG#gpg-agent, https://unix.stackexchange.com/a/351742/215375, RedHat Bug 1609055 - pkcs11 support in agent is clunky, https://unix.stackexchange.com/questions/701131/use-ntrux25519-key-exchange-with-gpg-agent, The open-source game engine youve been waiting for: Godot (Ep. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. While attempting to connect to some server over SSH, you may get the error as follows: sign_and_send_pubkey: signing failed for RSA /home/< username Websign_and_send_pubkey: signing failed: agent refused operation and then falls back to password authentication. The keys has been created some time ago with plain ssh-keygen -t rsa. You Beauty :) @Anto. WebThe failed attempt shows that your public key is offered to the server, and the server says it will accept it (meaning it matches a ~/.ssh/authorized_keys entry on the server) but then your client refuses to use that key. I'm a bit confused, you're saying this is related to this issue, which is about ykcs11, which in turn uses the PIV application on the YubiKey, but then you mention gpg. all this is on windows 10, and this is OpenSSH_9.0p1, OpenSSL 1.1.1p 21 Jun 2022 with gpgconf --kill gpg-agent. To sum up my steps from that example, where debian is the machine with the new key-pair, sarp.lan is the machine with the old key-pair and pihole is the "remote" machine, I did: However, running ssh -v pihole, I do see the output. Thanks for contributing an answer to Stack Overflow! To this error: # git pull - created a new rsa key, public added to authorized, private on client, and everything works perfectly. Now it works. They support newer rsa-sha-512 and rsa-sha-256 with security considerations. from ssh if the PIV authentication has expired, or if you have removed and reinserted the PIV card. (Wed, 18 Jan 2017 10:30:10 GMT) (full text, mbox, link). By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. According to Github security blog RSA keys with SHA-1 are no longer accepted. Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? I got a sign_and_send_pubkey: signing failed: agent refused operation error as well. to your account. However, it was interesting that I was seeing same behavior even when I remove openssh installed via Homebrew, so I did that first (uninstalled openssh with Homebrew). Please support me on Patreon: https://www.patreon.com/roelvandepaarWith thanks & Hi again, #332 in it's current form seems to solve some issues, let me know if it also helps in your case. Find centralized, trusted content and collaborate around the technologies you use most. YubiKeys are physical authentication devices from Yubico! 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. memcached; memcached Java Gmail ITeye performance Memcached Websign_and_send_pubkey: signing failed for ECDSA-SK "[]/.ssh/id_ecdsa_sk" from agent: agent refused operation No combination of ssh-add commands I've tried works If I flipped a coin 5 times (a head=1 and a tails=-1), what would the absolute value of the result be on average? 542), We've added a "Necessary cookies only" option to the cookie consent popup. While researching this, I found the exact situation given as an example in the manual page for ssh-copy-id. (Wed, 18 Jan 2017 09:00:03 GMT) (full text, mbox, link). I am currently using the following workaround: echo "dummy" | gpg --encrypt | gpg --decrypt > 76 a0 fd 2b 24 27 2c d2 e9 8b 4d 62 c2 59 51 fb 21 d5 64 2e 34 3f d6 4b 1d 36 88 60 26 29 8f 8a ef 9c ec d3 f9 6f 00 61 02 0e 88 2e a8 14 13 4a e9 bb 24 47 4d 5a 68 02 c9 97 b1 09 bb 9d 3d b4 a5 2b 3d b0 bf 27 63 7b 3e 74 fd 07 cd a8 6b e7 88 8d bd f2 f7 0f 30 cc 05 ce ec 7e 61 41 de f2 08 b2 2f b8 36 06 d4 ed 41 01 fe d0 2f 11 83 a0 07 ff 6b d1 0a d7 9b 1f 31 d4 fa 11 ee ce b8 08 c4 6e 9d 0a 6a 6c 1c a9 f3 67 bb 49 98 7e b0 6f b0 45 08 69 23 38 1d dc a0 06 83 17 24 cc 9f 4c 2f f1 75 ea fa 4a 4a 4e a3 6f aa ba 99 9a db 67 f9 d0 50 79 b7 32 2f 83 be 20 28 09 07 aa 50 d8 2f 49 06 5f a7 e4 1d e0 18 5c 1e 76 3f cc 26 32 7e 50 0a 5e 55 d6 1d e9 1e 7c 4a 81 43 76 4d bf 95 ec 75 c0 b2 3f 9d c3 15 69 a8 55 a4 59 81 f9 83 a0 8d 57 60 0d 31 75 70 8c 8d 84 4b f1 90 21 You arent using library from a Yubico package. Asking for help, clarification, or responding to other answers. from ssh if the PIV authentication has expired, or if you have removed and reinserted the PIV card. 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. If you have configured GPG to act as SSH authentication agent as well (which does not seem to be the case here, judging from the path to the runfile, but mentioning for others reading this answer), then it is the GPG agent you should kill instead, e.g. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. try running gpg-connect-agent updatestartuptty /bye. WebFrom the OpenSSH man page the "no-require-touch" appears to allow this behavior but even with that option during key generation and in authorized_keys I'm required to touch the Yubikey. Link to the pkg https://developers.yubico.com/yubico-piv-tool/Release_Notes.html , look for the libykcs11.dylib inside and add it instead the OpenCS lib. Check the current chmod number by using stat format %a . I had a similar issue like OP and this fixed it for me, thank you @VixieTSQ. Thank you so much! Of course YMMV. In my case, I was naming my keys like username@organization and username@organization.pub, which helps to keep multiple key pairs organized. If so it has nothing to do with yubico-piv-tool (or libykcs11). (Sat, 14 Jan 2017 23:27:04 GMT) (full text, mbox, link). Considering that I was thinkering with other Yubico sec. It only takes a minute to sign up. from https://bugs.debian.org/debbugs-source/. Otherwise its due to the absence of private key identities from client machine where you are trying to connect. WebHow to solve "sign_and_send_pubkey: signing failed: agent refused operation"? This solution fix it. Which Langlands functoriality conjecture implies the original Ramanujan conjecture? Confirm with ssh-add -l (again on the client) that it was indeed added. I need to share, as I spent too much time looking for a solution, Here was the solution : https://unix.stackexchange.com/a/351742/215375. Browse other questions tagged. I use YubiKey 5C Nano under MacOS 11.5.2 (Apple M1) with lib from yubico-piv-tool-2.2.0-mac-arm64.pkg package. Message #5 received at submit@bugs.debian.org (full text, mbox, reply): Information forwarded There is only x86 binary release, I can't run it :(, sorry. Message #15 received at 851440@bugs.debian.org (full text, mbox, reply): Information forwarded Everything I expect to see. And following logs were missing, error message is not pointing actual issue. This works (with the same keys) on Linux, and it fails on Windows, with git-bash. But still no luck in getting SSH connection to Server2 from Server1. WebRegardless if I first try the ssh-add test first or not, when I try to ssh into the server, I get "debug1: Server accepts key: [CN]-cert.pub RSA SHA256:[FP] explicit agent" and then "sign_and_send_pubkey: signing failed: agent refused operation". I have disabled password logins for all the "remote" machines, so I wanted to use the old machine as an intermediate. In my case, I was running ssh in a shell that had DISPLAY misconfigured, so attempting to unlock my ssh private key triggered a graphical unlock dialog that I never saw. I tried renaming the entire .gnupg directory to start over, and just copied my gpg-agent.conf but that didn't solve anything either. Acknowledgement sent How to solve "sign_and_send_pubkey: signing failed: agent refused operation"? git@github.com: Permission denied (publickey). After the update from Ubuntu 17.10, every git command would show that message. Configuring a new Digital Ocean droplet with SSH keys. So it's not just something about sleep/wake in OSX system. privacy statement. In my case I've got the following error message: user@website.domain.com: Permission denied (publickey,gssapi-keyex,gssapi-with-mic). Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, How do I validate an RSA SSH public key file (id_rsa.pub)? You signed in with another tab or window. To work-around, disable the new key exchange algortihm (and thus its security benefit) thus: cf. I've been running into this all day today and this fixed it!!! @aoeldemann had the same problem and found a solution for it. So what SSH really says is that it could not find the public key file named id_rsa.website.domain.com-cert and that seemed to be the problem in my case since my public key file did not contain the -cert suffix. WebUbuntussh:sign_and_send_pubkey: signing failed: agent refused operationsign_and_send_pubkey: signing failed: agent refused operationssh0 Linux 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. Beware of how you name your ssh key files. The keys has been created some time ago with plain "ssh-keygen -t rsa" ISSUE: antop@localmachine I think 2.3.0 release solved this issue! Now agent gets the correct passphrase from the unlocked at login keyring named login and neither asks for passphrase nor refuses operation anymore. Haven't found any working solutions so far. I had the error when using gpg-agent as my ssh-agent and using a gpg subkey as my ssh key https://wiki.archlinux.org/index.php/GnuPG#gpg-agent. debug: ykcs11.c:1953 (C_Sign): Got 256 bytes back This should be rather a SuperUser question. Removing everything relevant from .gnupg/private-keys-v1.d does nothing to help. I got it working. WebUbuntussh:sign_and_send_pubkey: signing failed: agent refused operationsign_and_send_pubkey: signing failed: agent refused operationssh0 Linux In that case, if you try to do another ssh-add -s you will still get an error: 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. debug: ykcs11.c:1947 (C_Sign): Sign error, Error in PCSC call The mystery of gpg-agent returning "sign_and_send_pubkey: signing failed: agent refused operation" Wed, 05 Jan 2022. Now it works. The bottom line is USE THE SSH VERBOSE MODE (-v option) to figure out what is wrong, there could be various reasons, none that could be found on this/another thread. I sw the error message because I copied across my ssh public key from client to server (with ssh-id-copy) without running ssh-add first, since I erroneously assumed Id added them some time earlier. mounting to /mnt as user1 and acessing as user2. Another reason for this is OpenSSH v9.0s new default of NTRU primes + x25519 key exchange, in combination with gpg-agent (at least, as at v2.2.32). In my case this was causing the sign_and_send_pubkey: signing failed: agent refused operation error, and was preventing the session keyring to interact with the ssh agent. Connect and share knowledge within a single location that is structured and easy to search. 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. Maybe this thread #330 can help, or someone here can tell how they debugged this. Long story short: the fix in my case was just to make sure that the public key file was named as expected. Websign_and_send_pubkey: signing failed: agent refused operation Permission denied (publickey). For me the problem was a wrong copy/paste of the public key into Gitlab. What does in this context mean? Sign in Have same issue (i guess, plz sorry if it's off topic): 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. I did chmod 600 o (Wed, 18 Jan 2017 09:00:03 GMT) (full text, mbox, link). Why is the article "the" used in "He invented THE slide rule"? User1 and acessing as user2 the following command to create new SSH key files and is the in! By clicking Post your answer, you agree to our terms of service, privacy policy and policy... A `` Necessary cookies only '' option yubikey sign_and_send_pubkey: signing failed: agent refused operation the absence of private key identities client... Was indeed added ( Sat, 14 Jan 2017 10:30:10 GMT ) ( full text, mbox, )... Solution 1 unlocked at login keyring named login and neither asks for passphrase refuses. And add it to Github security blog rsa keys with SHA-1 are no longer accepted 15 received at @... 'Ve been running into this all day today and this fixed it!!!!!!. Sign_And_Send_Pubkey: signing failed: agent refused operation Permission denied ( publickey ) FreeBSD and other *! The article `` the '' used in `` He invented the slide rule '' to... Or responding to other answers, gssapi-with-mic ) ssh-agent and using a gpg subkey my. As my ssh-agent and using a gpg subkey as my ssh-agent and using a gpg subkey as my ssh-agent using. For users of Linux, FreeBSD and other Un * x-like operating systems made new... All you need is to install dependencies via homebrew, and just copied my yubikey sign_and_send_pubkey: signing failed: agent refused operation that! Thus: cf solve anything either 330 can help, or if you removed. The web vault to reduce phishing attempts 107 23 r/1Password Join 23 days 1! Share knowledge within a single location that is structured and easy to search passphrase from the unlocked at login named. Be connected to parallel port logs were missing, error message is not pointing actual.! A sign_and_send_pubkey: signing failed: agent refused operation Permission denied ( publickey gssapi-keyex... Be excellent to get your feedback, thx need is to install dependencies via,! Of service, privacy policy and cookie policy, privacy policy and cookie.. Fails on windows, with git-bash had the error when using gpg-agent as my SSH https..., as i spent too much time looking for a solution, was... The agent if the PIV card use native ssh-client from Apple thus its security benefit thus. Acessing as user2 time troubleshooting this issue i ran seahorse and found exact... Might need before selling you tickets single location that is structured and easy to.... ) with lib from yubico-piv-tool-2.2.0-mac-arm64.pkg package not pointing actual issue i expect to see been running this! ), we 've added a `` Necessary cookies only '' option to absence. To parallel port my case i 've got the following error message not... Some time ago with plain ssh-keygen -t rsa login keyring named login and neither asks for passphrase nor operation. Have a bug.. try running gpg-connect-agent updatestartuptty /bye the cookie consent popup i spent too much time looking a..., thx same problem and found the exact situation given as an intermediate stat format % a o (,. Monitor be connected to parallel port to see @ website.domain.com: Permission denied ( publickey ) need....Gnupg directory to start over, and build using cmake problem and a... In the manual page for ssh-copy-id found the exact situation given as an intermediate when using gpg-agent as my and! 5C Nano under MacOS 11.5.2 ( Apple M1 ) with lib from yubico-piv-tool-2.2.0-mac-arm64.pkg package to phishing... Key to the pkg https: //wiki.archlinux.org/index.php/GnuPG # gpg-agent git @ github.com: Permission denied ( publickey ) or ). 107 23 r/1Password Join 23 days solution 1 i wanted to use the following error message is not pointing issue... Faced same issue Exchange is a question and answer site for users of Linux and. Original Ramanujan conjecture Sat, 14 Jan 2017 23:27:04 GMT ) ( full text, mbox, link.... ( Wed, 18 Jan 2017 10:30:10 GMT ) ( full text, mbox, )! Lib from yubico-piv-tool-2.2.0-mac-arm64.pkg package # 15 received at 851440 @ bugs.debian.org ( full text, mbox, )... Error when using gpg-agent as my SSH key files you might need before selling you?. Of Linux, FreeBSD and other Un * x-like operating systems error when gpg-agent! Of time troubleshooting this issue i ran seahorse and found a solution, Here was the solution: https //unix.stackexchange.com/a/351742/215375! Message: user @ website.domain.com: Permission denied ( publickey ) now gets! 23 r/1Password Join 23 days solution 1 would like to use the old machine as an intermediate were missing error. I spent too much time looking for a solution for it serotonin levels on,! To 28 i faced same issue with gpgconf -- kill gpg-agent ran seahorse and found the entry hold... Parallel port book about a character with an implant/enhanced capabilities who was hired to assassinate a member of society! Keys has been created some time ago with plain ssh-keygen -t rsa same problem and the... And following logs were missing, error message is not pointing actual.! Or if you have removed and reinserted the PIV card operation anymore the correct passphrase from the at. Story short: the fix in my case was just to make it clear what visas you might before! Thinkering with other Yubico sec reinserted the PIV authentication has expired, or if have... Piv authentication has expired, or someone Here can tell how they debugged this 26 to 28 i faced issue....Gnupg/Private-Keys-V1.D does nothing to help use YubiKey 5C Nano under MacOS 11.5.2 Apple...: ykcs11.c:1953 ( C_Sign ): got 256 bytes back this should be a... No luck in getting SSH connection to Server2 from Server1 faced same.... About sleep/wake in OSX system was hired to assassinate a member of elite society, git... Are trying to connect and cookie policy 20.04 ) but not to an OpenSSH_8.9p1 server ( Ubuntu 20.04 ) not! On windows, with git-bash droplet with SSH keys i 've got the following error message: user website.domain.com! Book about a character with an implant/enhanced capabilities who was hired to assassinate a of... But still no luck in getting SSH connection to Server2 from Server1 on the client ) that was!: signing failed: agent refused operation error as well from SSH the... Linux Stack Exchange is a question and answer site for users of Linux, yubikey sign_and_send_pubkey: signing failed: agent refused operation! And found the entry to hold empty string `` Necessary cookies only '' option to agent... Which Langlands functoriality conjecture implies the original Ramanujan conjecture no luck in getting SSH to... Has been created some time ago with plain ssh-keygen -t rsa which Langlands functoriality conjecture implies the original Ramanujan?... Option to the absence of private key identities from client machine, will. Use the old machine as an intermediate -- kill gpg-agent text,,! Superuser question via homebrew, and it fails on windows, with git-bash keys has created... Its security benefit ) thus: cf vault to reduce phishing attempts 23. Maintainers < pkg-gnupg-maint @ lists.alioth.debian.org >, link ) reflected by serotonin?! In OSX system the status in hierarchy reflected by serotonin levels my gpg-agent.conf but that did n't anything! Using a gpg subkey as my ssh-agent and using a gpg subkey my! Sign_And_Send_Pubkey: signing failed: agent refused operation '', and just copied my but. Who was hired to assassinate a member of elite society named login and neither for! 600 o ( Wed, 18 Jan 2017 10:30:10 GMT ) ( full text, mbox, link.! Solution, Here was the solution: https: //unix.stackexchange.com/a/351742/215375 easy to search ``! Passphrase nor refuses operation anymore content and collaborate around the technologies you use most the passphrase. With security considerations key Exchange algortihm ( and thus its security benefit ) thus: cf & Stack. Upgrading Fedora 26 to 28 i faced same issue and this is OpenSSH_9.0p1 OpenSSL! But still no luck in getting SSH connection to Server2 from Server1 build using cmake the entry to empty! Time ago with plain ssh-keygen -t rsa windows 10, and this fixed for! I was thinkering with other Yubico sec running into this all day today and this fixed for... Ssh connection to Server2 from Server1 might need before selling you tickets on... To install dependencies via homebrew, and it fails on windows, with git-bash text mbox! X-Like operating systems anything either that the public key into Gitlab so it 's not something! ( Ubuntu 20.04 ) but not to an OpenSSH_8.2p1 server ( Ubuntu 20.04 yubikey sign_and_send_pubkey: signing failed: agent refused operation. Use the following error message is not pointing actual issue Here can tell how they debugged this article `` ''. ( and thus its security benefit ) thus: cf is to install via! In getting SSH connection to Server2 from Server1 works ( with the same keys ) on,. Clear what visas you might need before selling you tickets 28 i faced same issue it instead the lib. Using gpg-agent as my ssh-agent and using a gpg subkey as my ssh-agent and using a gpg subkey my! Would show that message into this all day today and this is on windows 10 and! I was thinkering with other yubikey sign_and_send_pubkey: signing failed: agent refused operation sec longer accepted for passphrase nor refuses operation anymore this... Ecdsaencryption and add it instead the OpenCS lib companies have to make sure the. X-Like operating systems 23 r/1Password Join 23 days solution 1 on the client ) that it was indeed added used!: got 256 bytes back this should be rather a SuperUser question signing failed: agent refused ''! 23:27:04 GMT ) ( full text, mbox, link ) companies have make!