5/10/2023 0 Comments Yubikey mac![]() So KeePassium does not have access to macOS-specific libraries. This is essentially the iOS app running on a Mac that pretends to be an iPad. Since you mentioned having premium, I assume you run the App Store version of KeePassium. It removes the need to manually ssh-add keys with nonstandard names and stores key passwords if set in the macOS keyring. Using YubiKey on macOS requires some macOS-specific libraries, because USB is very limited on iOS. The following stanza can be adapted and placed in ~/.ssh/config. D prevents ssh-agent from forking, and -a ~/.ssh/agent directs the agent to create a socket file at that location that is referenced in $SSH_AUTH_SOCK. It runs the command /usr/local/bin/ssh-agent -D -a ~/.ssh/agent. This plist was created using the launchd plist generator over at zerowidth. ![]() usr/local/bin/ssh-agent -D -a ~/.ssh/agentĪnd load it with launchctl load -w ~/Library/LaunchAgents/_ist. If you do, you can load it directly to the ssh-agent using ssh-add -K, or write the key handle and public key to disk using ssh-keygen -K It is your choice whether to use a resident key. For this reason, a good pin is important. Additionally, it may reduce the security of your ssh key as they could use it if they steal the hardware device. ![]() However, your key may or may not support it and only a limited number of resident keys may be stored on a device. This cannot be bypassed at all not even with a security key. ![]() FireVault is a security mechanism in macOS that keeps your entire drive encrypted until your password is entered. The private key file is actually a key handle that cannot be used without the hardware token, however, the hardware token can also not be used without the key handle.Ī resident key solves this problem by storing the key handle on the device. Apparently it was the fact that FireVault was enabled on my Mac that I couldnt login with my YubiKey at start up. When generating the key, ssh-keygen will create private and public key files that look similar to normal ssh key. If not, use options 3 or 4.Ī U2F attestation requires a key handle to be sent to the device. You must choose if you want to store the key handle as a resident key on the device. If it does not work due to device incompatibilities, fall back on ecdsa-sk (Options 2 or 4) You must choose between ed25519-sk and ecdsa-sk. Using it on macOS with full support for ssh-agent is a bit more complex. SSH 8.2 introduced support for using any U2F key in place of a private key file.
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