This patch adds a program called snk and a configuration option called
SNKFile to openssh-3.2.3p1. snk computes responses to chalanges and
manages files that store your SNK key encrypted with DES. To use it
with ssh simply create the keyfile with snk and add "
To apply the patch, download it and run
this in the openssh source tree.
After that you can build ssh just as you normally would.