All of Apple's OS updaters are signed by Apple's internal CA and verified at install time -- that's why there's no checksum: http://idzr.org/ba4o http://idzr.or

All of Apple's OS updaters are signed by Apple's internal CA and verified at install time -- that's why there's no checksum: http://idzr.org/ba4o http://idzr.org/ba4o