ssh/scp used keyless....more secure

[Dr. Scott S. Jones]

Dear List:

I use ssh and scp on a regular basis. I know I can create keys for using
these more securely. And i am sure the topic has been raised and discussed
before. 

Could someone point me to a good understandabl resources on setting up keys,
and the challenge/response mechanisms to allow me to ssh and scp to home and
back from work, without sending my password open across the net.

Thanks, 

Scott