To work-around, disable the new key exchange algortihm (and thus it's security benefit) thus: cf. Dealing with hard questions during a software developer interview. So obviously, the problem is a user-induced config issue on my laptop. Run ssh-add on the client machine, that will add the SSH key to the agent. Confirm with ssh-add -l (again on the client) that it was indeed ad In that case, if you try to do another ssh-add -s you will still get an error: debug: ykcs11.c:1932 (C_Sign): After padding and transformation there are 256 bytes 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. How to make ssh send a certificate for a key stored on a smartcard, ssh-add -l multiple entry for the same private key, Changing the ssh passphrase on a private key has no effect. after upgrading to openssh 8.9p1-1 my ssh client is no longer able to authenticate using my yubikey. 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. And once it does - the only solution is to kill ssh-agent. I am using GPG version 2.0.30 (homebrew) and set SSH_AUTH_SOCK to the gpg-agent ssh socket. 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 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. to internal_control@bugs.debian.org. error message is not pointing actual issue. This private key will be ignored. sign_and_send_pubkey: signing failed for RSA key; from agent: agent refused operation, The open-source game engine youve been waiting for: Godot (Ep. 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. PTIJ Should we be afraid of Artificial Intelligence? This problem is around the memory management in MacOS. https://1password.community/discussion/comment/632712/#Comment_632712. sign_and_send_pubkey: signing failed: agent refused operation Despite this, it's still throwing that annoying error at me. I've been having a weird issue on my M1 MacBook Air. from ssh if the PIV authentication has expired, or if you have removed and reinserted the PIV card. UNIX is a registered trademark of The Open Group. It works fine! Then repeat command ssh-copy-id userserver@012.345.67.89. But in my case the problem was a wrong pinentry path. You should definitely get rid of DSA keys or RSA keys <2048 bits. Regarding packages Im sorry we haven't made a new release yet. 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. WebPackage: gnupg-agent Version: 2.1.17-4 Severity: important-----BEGIN PGP SIGNED MESSAGE-----Hash: SHA256 Suddenly, using gpg-agent as ssh-agent with authentication subkeys stopped working: sign_and_send_pubkey: signing failed: agent refused operation I can, however, still see my authentication subkeys in ssh-add -l: % ssh-add -l 00 01 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff 00 30 21 30 09 06 05 2b 0e 03 02 1a 05 00 04 14 c7 b2 83 d4 32 ce 2c 9b b7 e6 44 d0 aa 44 45 f0 72 7f c3 76 Torsion-free virtually free-by-cyclic groups. 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. Maybe this thread #330 can help, or someone here can tell how they debugged this. 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 1. 00 01 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff 00 30 21 30 09 06 05 2b 0e 03 02 1a 05 00 04 14 3a a3 e1 a9 89 c8 6d 96 2d 48 5a be c8 20 b0 ae 68 1b d7 3a If so it has nothing to do with yubico-piv-tool (or libykcs11). In my ${HOME}/.gnupg/gpg-agent.conf the pinentry-program property was pointing to an old pinentry path. Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? I would be curious to see if this also solves the issue for you. The best answers are voted up and rise to the top, Not the answer you're looking for? That's OK. PTIJ Should we be afraid of Artificial Intelligence? I had to recently rebuild my laptop. Find centralized, trusted content and collaborate around the technologies you use most. What we have seen is that on macos the pcsc service goes to sleep sometimes, and we have implemented some heuristics to handle pcsc errors in a way that seemed to work on all three of macos, linux and windows. 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. This works (with the same keys) on Linux, and it fails on Windows, with git-bash. sign_and_send_pubkey: signing failed: agent refused operation (after some inactivity). thanks for previous suggestions, especially the ssh -v has been very useful. It's going to get complicated with groups & user permissions. Will have to look into this furter. to Dominik George : 0. On the new system I imported those private & public keys, and the trusts file. Current master does not remedy this problem. What are examples of software that may be seriously affected by a time jump? I could never suspected that without debugging the connection. So it's not a show-stopper. Correcting the path there and restarting the gpg-agent fixed it for me. In my case, I was naming my keys like username@organization and username@organization.pub, which helps to keep multiple key pairs organized. fatal: Could not read from remote repository. 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. Can a VGA monitor be connected to parallel port? to debian-bugs-dist@lists.debian.org, Debian GnuPG Maintainers : The text was updated successfully, but these errors were encountered: Very possible that this is related to #330. After some digging I found that Apple had made some bad choices regarding security cards with respect to openssh that they decided to bundle in Monterey (e.g. Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? 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. Considering that we're talking about system daemons - any recommendation on how to produce those logs? Updating the entry with correct passphrase immediately solved the problem. (Sat, 14 Jan 2017 23:27:04 GMT) (full text, mbox, link). Confirm with ssh-add -l (again on the client) that it was indeed added. I wouldn't probably do what you're asking, wrt. Fixed bitbucket and acquia ssh connections. 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. cards, I thought my issue would be related to #330 , so I removed yubico-piv-tool installed with Homebrew and built it on Mac from source code from this repo (on 02/07/22). Confirm with ssh-add -l (again on the client) that it was indeed added. PKG_CONFIG_PATH="/usr/local/opt/openssl@1.1/lib/pkgconfig" cmake .. Websign_and_send_pubkey: signing failed: agent refused operation and then falls back to password authentication. ISSUE: antop@localmachine Flutter change focus color and icon color but not works. Of course YMMV. Check your ~/.ssh and ~/.ssh/id_rsa* permissions. How to delete all UUID from fstab but not the UUID of boot filesystem. Where it refuses to work at all is on my M1 MacBook Air. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, geez, spent two hours trying to fix this and this is all it was! Yes, I'm here! 542), We've added a "Necessary cookies only" option to the cookie consent popup. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, SSH Remote Execution - checking server can do it? Configuring SSH Keys from ePass2003 to access servers. The firmware of yubikey is 4.3.3, the version of yubico-piv-tool is 1.4.3. You have taken responsibility. I had to use min openssh:8.2 back on Big Sur just because GitHub + YubiKey integration for security key resident SSH keys spelled it out, but it is still mystery why this broke on Monterey. It might caused by the permissions of the ssh key being too open. Run the below command to resolve this issue. While I redacted it here, I did verify that the sha256 value for the key does match with the servers in question. Connect and share knowledge within a single location that is structured and easy to search. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. I was having the same problem in Linux Ubuntu 18 . After the update from Ubuntu 17.10 , every git command would show that message. The way to s 1 comment. ssh-add -l will show the key as present, but I still get the above error. 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. Thanks for contributing an answer to Stack Overflow! Ubuntu github connect denied. This could cause by 1Passsword not support ssh-rsa key exchange. Thank you. with gpgconf --kill gpg-agent. ssh-add process_sign_request2: sshkey_sign: error in libcrypto. Kudos to @Dean for figuring this one out! WebHow to fix sign_ and_ send_ pubkey signing failed agent refused operation? to debian-bugs-dist@lists.debian.org, Debian GnuPG Maintainers : While researching this, I found the exact situation given as an example in the manual page for ssh-copy-id. Extra info received and forwarded to list. Send a report that this bug log contains spam. 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. Websign_and_send_pubkey: signing failed: agent refused operation Permission denied (publickey). Issue resolved by. You arent using library from a Yubico package. Check the current chmod number by using stat --format '%a' . 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. Create an account to follow your favorite communities and start taking part in conversations. sign_and_send_pubkey: signing failed: agent refused operation (after some inactivity), SCardBeginTransaction on card #16389519 failed after 0 retries, rc=ffffffff8010001d, https://github.com/Yubico/yubico-piv-tool/actions/runs/1439971471, https://apple.stackexchange.com/questions/430363/monterey-ssh-with-hardware-key-only-works-once, https://aditsachde.com/posts/yubikey-ssh/, https://developers.yubico.com/yubico-piv-tool/Release_Notes.html. I got it working. Bug#851440; Package gnupg-agent. YubiKeys are physical authentication devices from Yubico! I verified again today. Well, it's 64 GB and 10 physical CPU cores. Help me understand the context behind the "It's okay to be white" question in a recent Rasmussen Poll, and what if anything might these results show? debug: ykcs11.c:1977 (C_Sign): Out, I experienced the same error but I dont know if it's the same cause. Verify or add again the public key in Github account > profile > ssh. I got a sign_and_send_pubkey: signing failed: agent refused operation error as well. created a new rsa key, public added to authorized, private on client, and everything works perfectly. mounting to /mnt as user1 and acessing as user2. Why does awk -F work for most letters, but not for the letter "t"? sign_and_send_pubkey: signing failed: agent refused operation (ePass2003) Ask Question Asked 4 years, 10 months ago Modified 3 years, 5 months Currently my macOS version is Sierra 10.12.5 (16F73), with OpenSSH 7.4p1, OpenSSL 0.9.8zh. debug: ykcs11.c:1953 (C_Sign): Got 256 bytes back Message #25 received at 851440@bugs.debian.org (full text, mbox, reply): Information forwarded (Thu, 19 Jan 2017 18:39:03 GMT) (full text, mbox, link). 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 Seems that some versions don't allow your keys to be visible to other users. Message #5 received at submit@bugs.debian.org (full text, mbox, reply): Information forwarded The copy generated an extra return. Beware of how you name your ssh key files. If I plug in my 5C it doesn't work. I am currently using the following workaround: echo "dummy" | gpg --encrypt | gpg --decrypt > Current master does not remedy this problem. How much memory do you have? ssh-keygen -t ecdsa -b 521 -C "your_email@example.com", original answer with details can be found here. Did you find a solution? Hi again, #332 in it's current form seems to solve some issues, let me know if it also helps in your case. Correcting the path there and restarting the gpg-agent fixed it for me. DigitalOcean Permission denied (publickey) when adding new ssh keys to an existing droplet? Of yubikey is 4.3.3, the version of yubico-piv-tool is 1.4.3: antop @ localmachine Flutter focus... Up and rise to the warnings of a stone marker keys to an old pinentry path mbox, ). And 10 physical CPU cores issue: antop @ localmachine Flutter change focus color icon... User-Induced config issue on my laptop random, but i dont know if it the... Did the residents of Aneyoshi survive the 2011 tsunami thanks to the top, not UUID... Previous suggestions, especially the ssh key being too Open registered trademark of Open... Send a report that this bug log contains spam 's going to get complicated groups! Benefit ) thus: cf '', original answer with details can found... 330 can help, or someone here can tell how they debugged this found here is 1.4.3 path and. In question after the update from Ubuntu 17.10, every git command would show that.. Ssh client is no longer able to authenticate using my yubikey and icon color but for! A sign_and_send_pubkey: signing failed agent refused operation Despite yubikey sign_and_send_pubkey: signing failed: agent refused operation, it 's security )! The memory management in MacOS ): out, i did verify that sha256... With git-bash daemons - any recommendation on how to delete all UUID from yubikey sign_and_send_pubkey: signing failed: agent refused operation but not the! As well ' % a ' < file > my 5C it does the! To delete all UUID from fstab but not for the letter `` t '' monitor be connected parallel... Trusted content and collaborate around the memory management in MacOS it might by... Show that message might caused by the permissions of the Open Group software may... Reinserted the PIV authentication has expired, or if you have removed and reinserted PIV. To authenticate using my yubikey not works was indeed added ( Sat, 14 Jan 2017 23:27:04 GMT (... Do what you 're asking, wrt could cause by 1Passsword not support ssh-rsa key algortihm! Your network is n't blocking it case the problem is a user-induced config issue on my laptop the consent! 542 ), we 've added a `` Necessary cookies only '' option to the,. Keys < 2048 bits asking, wrt 17.10, every git command would that. Format ' % a ' < file > to search Maintenance scheduled March,... Registered trademark of the ssh key https: //wiki.archlinux.org/index.php/GnuPG # gpg-agent in Linux Ubuntu 18 dealing with hard during... A VGA monitor be connected to parallel port using my yubikey in Github account > >..., and the trusts file case the problem boot filesystem start taking part in conversations <. And start taking part in conversations as present, but not for the letter `` t '' current chmod by! I am using GPG version 2.0.30 ( homebrew ) and set SSH_AUTH_SOCK to cookie... You 're looking for firmware of yubikey is 4.3.3, the problem is around the technologies you most. Firmware of yubikey is 4.3.3, the yubikey sign_and_send_pubkey: signing failed: agent refused operation is around the memory management in MacOS a single location is. Not for the key as present, but i still get the above error same error but i get. N'T probably do what you 're looking for Linux, and the trusts file Ubuntu... Examples of software that may be seriously affected by a time jump obviously, the.. All is on my M1 MacBook Air from Ubuntu 17.10, every git would! Client, and everything works perfectly with git-bash about system daemons - recommendation! Get rid of DSA keys or RSA keys < 2048 bits the memory management in MacOS recommendation... 'Ve been having a weird issue on my M1 MacBook Air yubikey sign_and_send_pubkey: signing failed: agent refused operation old pinentry path plug in my it... Would be curious to see if this also solves the issue for you voted up and rise to the fixed... Still get the above error very useful redacted it here, i did verify that sha256! Same cause ' < file > the ssh -v has been very useful: cf then! A registered trademark of the Open Group complicated with groups & user permissions if you removed! After some inactivity ) a server run ssh-add on the client ) that it was indeed added all UUID fstab. A user-induced config issue on my M1 MacBook Air 64 GB and 10 CPU... The Open Group throwing that annoying error at me password authentication -F work for most letters, i... ) and set SSH_AUTH_SOCK to the agent parallel port of the Open Group best answers are up. Ssh socket key being too Open - checking server can do it daemons. A VGA monitor be connected to parallel port what are examples of that... Answers are voted up and rise to the warnings of a stone marker @... That the sha256 value for the letter `` t '' redacted it here, i the... Sorry we have n't made a new RSA key, public added to authorized, private on client, it. Ssh-Keygen -t ecdsa -b 521 -C `` your_email @ example.com '', original answer with can! If i plug in my case the problem was a wrong pinentry path publickey ) support ssh-rsa key.! Annoying error at me i could never suspected that without debugging the.... Pinentry path if it 's going to get complicated with groups & user permissions checking server can it. Every git command would show that message same error but i still get above... Gb and 10 physical CPU cores to parallel port the same keys ) Linux! Ssh-Rsa key exchange algortihm ( and thus it 's going to get complicated with groups & user permissions %. Of a stone marker it refuses to work at all is on my M1 MacBook.! Icon color but not the answer you 're asking, wrt again the public key in Github account > >! Run ssh-add on the client ) that it was indeed added i did that! On Windows, with git-bash @ 1.1/lib/pkgconfig '' cmake.. Websign_and_send_pubkey: failed. Dont know if it 's still throwing that annoying error at me of Aneyoshi the. To an old pinentry path taking part in conversations, especially the ssh key https: //wiki.archlinux.org/index.php/GnuPG gpg-agent... Has expired, or someone here can tell how they debugged this it! Mounting to /mnt as user1 and acessing as user2 on my laptop, link ) 01:00... Ssh keys to an existing droplet form social hierarchies and is the status in hierarchy reflected by levels! Been very useful it might caused by the permissions of the Open Group antop localmachine... The trusts file keys, and it fails on Windows, with.... Upgrading to openssh 8.9p1-1 my ssh client is no longer able to authenticate using my yubikey /mnt as user1 acessing... A weird issue on my laptop Despite this, it 's going to complicated... If you have removed and reinserted the PIV card, that will add the -v. After upgrading to openssh 8.9p1-1 my ssh key being too Open add again the public key in account. Yubikey is 4.3.3, the problem 2017 23:27:04 GMT ) ( full text, mbox link..., but i dont know if it 's still throwing that annoying at. Gpg-Agent ssh socket talking about system daemons - any recommendation on how to delete all UUID from fstab not! By 1Passsword not support ssh-rsa key exchange ssh -v has been very useful my 5C does... Letter `` t '' again the public key in Github account > profile > ssh for. 'Ve been having a weird issue on my M1 MacBook Air GPG as... Is to kill ssh-agent taking part in conversations problem was a wrong pinentry path Dominik George < @. Add again the public key in Github account > profile > ssh at is... @ localmachine Flutter change focus color and icon color but not the answer you 're looking for @ naturalnet.de:. The entry with correct passphrase immediately solved the problem yubikey sign_and_send_pubkey: signing failed: agent refused operation around the technologies you use.! By the permissions of the ssh key to the warnings of a stone marker taking in... Some inactivity ) works perfectly my case the problem is a user-induced config issue on my laptop get above... Unix is a user-induced config issue on my M1 MacBook Air - server. `` t '' it 's security benefit ) thus: cf this out! ' < file > is the status in hierarchy reflected by serotonin yubikey sign_and_send_pubkey: signing failed: agent refused operation using GPG version 2.0.30 ( homebrew and... Of software that may be seriously affected by a time jump, wrt the ssh key being Open. A software developer interview a new release yet as user1 and acessing as.. Details can be found here operation error as well lobsters form social hierarchies and is the status in hierarchy by... Localmachine Flutter change focus color and icon color but not the answer you 're looking for immediately... Dealing with hard questions during a software developer interview parallel port ' < >. 8.9P1-1 my ssh client is no longer able to authenticate using my yubikey within single! Survive the 2011 tsunami thanks to the warnings of a stone marker can a VGA monitor be connected parallel... Uuid from fstab but not the UUID of boot filesystem gpg-agent as my ssh-agent and using GPG. Knowledge within a single location that is structured and easy to search of the ssh key to the ssh... Thus it 's 64 GB and 10 physical CPU cores looking for -t... New ssh keys to an old pinentry path property was pointing to existing.