On Sun, May 11, 2025 at 02:23:32AM +1000, David Diggles wrote: > I am curious if anyone else can reproduce this or do I have something > screwed up on my 7.6/octeon > > When I ssh from OpenBSD 7.7 to an OpenBSD 7.6/octeon machine I am getting > connection failure with this error: > > (last 2 lines of ssh -vv output) > > debug2: ssh_ed25519_verify: crypto_sign_ed25519_open failed: -1 > ssh_dispatch_run_fatal: Connection to 172.25.101.2 port 22: incorrect > signature
This is a symptom of https://ftp.openbsd.org/pub/OpenBSD/patches/7.6/common/003_ssh.patch.sig A workaround is to use -o KexAlgorithms=sntrup761x25519-sha...@openssh.com as part of your ssh command line.
