The pins are on the outside of the connector. It's trivial to short-circuit them by accident, which could easily cause a fire if there were not a chip in there to control when you "shove 5V over the wire".
Re:Apple kills a Kickstarter project
by Dylan16807 on Friday December 21, 2012 @03:03PM
(#4954271)
So it has to act as a relay. That's easy enough. Is the spec of how this chip works at all open or is it a DRM method with an excuse?
There is no benign reason to involve authentication to shove 5V over the wire.