title: Encrypt a 32-bit integer to 32-bit integer and then decrypt it
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/7283631/one-to-one-integer-mapping-function">One-to-one integer mapping function</a>  </p>
  </blockquote>
  
  
  
  <p>I need to encrypt a 32-bit integer to a 32-bit integer and also i can decrypt it,</p>
  
  <p>Dose any one know how to do it?</p>
  
  <p>Thanks in advance!!</p>
  
  <p>Thanks, Yes, i don't need high secure, and encrypt 32-bit <strong>unsigned integer</strong> to 32-bit <strong>signed integer</strong>.</p>