| ... necessary in order to ship it outside the US, thanks to your | government's brilliant restriction on letting encryption technology | (that's readily available everywhere) cross out of its borders. K4-bones is export-ready, so they could use K4 with no such difficulties. K5 has a standard api. Someone overseas could code a version to meet it. SunOS and Solaris both ship with a homegrown authentication system, "secure rpc". That didn't stop them from developing the product or exporting the rest of the system.