Another Boeing Project 25?
Boeing, a sweetheart of the NSA, didn't have too much success with Project 25, so why should we expect much better this time?
Additionally, why would anyone, other than the American government, trust Boeing or any other American company with security?
Requesting "permanently withheld from public inspection" is simply a Drama Queen act - which many companies employ. And what is a piece of paper worth? They can collect as many NDAs as they want but if someone wants in, they'll find a way.
Secret screws didn't do Apple any good, and epoxy is easily defeated - after the cell handset has been appropriately rendered inoperable through it's local environment.
There are places in China who can, for a fee, reverse engineer 'secure' electronics products using X-ray techniques, followed by applications of choice concoctions of heated nitric or sulphuric acid along with 2,2,2trifluoroacetamide gas. They also use chemical and plasma etching.
As for the memory fuses to stop duplication, they are a breeze, too.
Me, I would go for Phil Zimmerman's BLACK PHONE, just announced, at least he has the credits for standing up for Uncle Sam.
So away with you Boeing, go fix those batteries that keep catching fire.