The sad truth is that they never will fully truthfully come out due to "National Security". At this point NSA views this as an information leak and they are try

The sad truth is that they never will fully truthfully come out due to "National Security". At this point NSA views this as an information leak and they are trying to "plug" the drainage. They are in damage control mode. Unfortunately now that the word is out "potential enemies" will be looking for these holes in places they did not look before, just because of the hints that they might exist, and probably do so...