&gt;it seems like only metadata can be requested, not arbitrary stuff<p>I think that Ladar Levison would disagree with that comment. According to wikipedia &quot;US government ordered [Ladar] to turn over its Secure Sockets Layer (SSL) private keys&quot; [0] which imho would be no different that forcing apple to turn over a software-signing key.<p>[0] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Lavabit" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Lavabit</a>