ssh-agent - getting the private key.

[neuron]

I'm working on a little script to use pam_ssh to login (which authenticates with ssh key and starts ssh-agent), to then use the private key with cryptsetup for encrypted homedirs.

But I can not for the life of me figure out how to get the private key from ssh-agent.

is there any way to do it?

the best way I suppose would be something like