It's also computationally nontrivial to encrypt tens of gigabits in real-time. Quite do-able, but nontrivial enough to make it the sort of nice-to-have you'd ba

It's also computationally nontrivial to encrypt tens of gigabits in real-time. Quite do-able, but nontrivial enough to make it the sort of nice-to-have you'd back-burner if you were confident that you controlled the line.