search for: add_identity

...ose but fall back to the provider set when ssh-agent started up and/or to the ?internal? provider that OpenSSH has built-in, avoiding the need for either the agent client or the agent itself to have to specify anything to get SK keys to work in the common case. An unmodified client sending a normal ADD_IDENTITY request would work just fine in this case, as long as it sent the new SK format private key blob. As an aside, I also noticed that sending the new constraint when importing non-SK keys seems to cause the add operation to fail. That?s easy enough to prevent in the client code, but the code would be...