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amalon (James Hogan)
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Mar 16 2022, 5:32 PM (143 w, 7 h)
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Nov 24 2022

amalon added a comment to T5931: OpenSSH 8.9, 9.0, and 9.1 can't authenticate with gpg-agent and usb token (Gnuk >= 1.2.16 is required).

Thanks. Adding 'PubkeyAuthentication unbound' to my ~/.ssh/config seems to workaround it for me on openssh-9.1p1-3 (arch). I don't quite follow what the implications of that setting are though.

Nov 24 2022, 9:01 PM · gnupg24, workaround, Documentation, gnupg (gpg23), ssh, gpgagent

Nov 9 2022

amalon added a comment to T5931: OpenSSH 8.9, 9.0, and 9.1 can't authenticate with gpg-agent and usb token (Gnuk >= 1.2.16 is required).
In T5931#165009, @alexk wrote:

A workaround you can add the following line to ~/.ssh/config or /etc/ssh/ssh_config:

KexAlgorithms -sntrup761x25519-sha512@openssh.com

For me ssh -o KexAlgorithms=-sntrup761x25519-sha512@openssh.com ... does work as well.

Nov 9 2022, 7:40 PM · gnupg24, workaround, Documentation, gnupg (gpg23), ssh, gpgagent

May 2 2022

amalon added a comment to T5931: OpenSSH 8.9, 9.0, and 9.1 can't authenticate with gpg-agent and usb token (Gnuk >= 1.2.16 is required).

Its a nitrokey start. I gave it another spin just to make sure, and again when updating to openssh 9.0 and "gpg (GnuPG) 2.3.6-unknown", it fails (again with careful gpgconf --kill gpg-agent etc. Double checked the downloaded source code by arch's makepkg, appears to have that patch applied. Also tried adding -o KexAlgorithms=-sntrup761x25519-sha512@openssh.com to the ssh command, which didn't help.

May 2 2022, 10:36 PM · gnupg24, workaround, Documentation, gnupg (gpg23), ssh, gpgagent

Apr 28 2022

amalon added a comment to T5931: OpenSSH 8.9, 9.0, and 9.1 can't authenticate with gpg-agent and usb token (Gnuk >= 1.2.16 is required).

FYI, I built 2.3.6 using a modified archlinux PKGBUILD (& disabling patches to avoid conflicts), then did:
gpgconf --kill gpg-agent
gpgconf --launch gpg-agent
but ssh still fails as before

Apr 28 2022, 9:16 AM · gnupg24, workaround, Documentation, gnupg (gpg23), ssh, gpgagent

Apr 14 2022

amalon created T5931: OpenSSH 8.9, 9.0, and 9.1 can't authenticate with gpg-agent and usb token (Gnuk >= 1.2.16 is required).
Apr 14 2022, 9:17 AM · gnupg24, workaround, Documentation, gnupg (gpg23), ssh, gpgagent