I think the public key can be accessed and uploaded:
http://www.vandyke.com/products/securecrt/public_key.htmlOnce you transfer the public key to the server, you need to add it into your login accounts home directory under .ssh/authorized_keys2.
Are you able to see the entry in its entirety in the file? The key must be entered/added as a single line. When you added it through the web manager, the string might have been broken into parts and would explain why it is not working.
