Message from gnome-keyring-daemon in /var/log/auth.log: "couldn't find or load public key for private key" - This is logged not upon ssh-add (Step 1) but upon authentication (Step 2).
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Seeing that upstream uses SSH keys without passphrase (see comment above) while maintaining a security component, I trust this Gnome-Dialog even less than before. :-(
Sorry, no time to do it on 8.10 right now, but here you go on 8.04:
------- .ssh/id_ dsa.pub ~martin2/.ssh
groupadd martin2
useradd -g martin2 -d /home/martin2 -m -s /bin/bash martin2
passwd martin2
mkdir ~martin2/.ssh
cp ~martin/.ssh/id_dsa ~martin/
chown -R martin2:martin2 ~martin2/.ssh
Log out from Gnome, log in as martin2.
Start Terminal.
1) ssh-add ----> Dialog pops up, Press "Deny", enter Passphrase in Terminal
2) ssh martin@foo ----> Dialog pops up, Press "Deny", Authentication succeeds
Message from gnome-keyring- daemon in /var/log/auth.log: "couldn't find or load public key for private key" - This is logged not upon ssh-add (Step 1) but upon authentication (Step 2).
-------
Seeing that upstream uses SSH keys without passphrase (see comment above) while maintaining a security component, I trust this Gnome-Dialog even less than before. :-(