Update: Here's a new good link.
How to set up a Private Key for svn ssh for Tortoisesvn
I have been having to enter my password everytime I access the svn server with tortoisesvn and it was finally getting annoying enough that I did something about it. I already knew how to set up a public/private key pair for the command line svn client. To do the same for tortoisesvn you follow the steps detailed here<-(link broken see below), in the section: SSH key generation and connection check (client).
Tim
said about 1 year ago
The "here" link is broken. Page doesn't exist..