Generating an authentication key for smart card

[James Davis]

I've been playing with generating keys for transferal to a smart card.
This way I can make backups of my keys by exporting them before placing
them on the card.

Creating 1024-bit RSA keys for signing and encryption is straight
forward enough but what do I need to do to generate a (sub?)key to use
for authentication which I can later transfer to the card? Or am I
forced to create an authentication key on the card?

Thanks,

James

-- 
http://www.freecharity.org.uk/ - Free IT services for charities
http://www.freecharity.org.uk/wiki/ - The VCSWiki