[ssh_x509] how many SSH client libraries support x.509?

[ssh_x509 at roumenpetrov.info]

Hi Roumen,

I got it to work using these instructions: 
http://www.gossamer-threads.com/lists/openssh/dev/42176

In thinking about 
https://tools.ietf.org/html/draft-kwatsen-reverse-ssh-01, I'm wondering 
about how many SSH client libraries support x.509?    A quick google 
search produced this result 
(https://www.javassh.com/products/j2ssh-maverick), which claims to 
support X509, though I don't know yet if it's interoperable with 
openssh+x509...  Ideally there is a client available in a few popular 
programming languages - do you have any pointers?

Congrats on the neat project.

Thanks,
Kent