title: How to generate 32 bit UUID in iOS?
body: <p>I know that can generate a UUID with <a href="https://developer.apple.com/library/mac/documentation/Foundation/Reference/NSUUID_Class/index.html" rel="nofollow">NSUUID</a>:</p>
  
  <pre><code>NSString *uuid = [[NSUUID UUID] UUIDString];
  </code></pre>
  
  <p>But this is 128-bit values.</p>
  
  <p>I want to get a 32-bit UUID how to do that?</p>