President Obama at SXSW on Friday said that smartphones can't be allowed to be black boxes, inaccessible to government. He said you can't take an absolutist view on this. "So if your bargain is strong encryption, no matter what, that we can and should in fact create 'black boxes,' then that I think does not strike the kind of balance that we have lived with for 200, 300 years, and it's fetishizing our phones above every other value."
The problem with this is that the math is done -- cryptography exists. And there's nothing anyone can do to stop that.