title: PBEKeySpec with byte array argument instead of ASCII
body: <p>I would like to know if there is a way to use <code>PBEKeySpec</code> with a byte array argument.</p>
  
  <p>Please find a link to the documentation below:</p>
  
  <p><a href="http://docs.oracle.com/javase/1.7/docs/api/javax/crypto/spec/PBEKeySpec.html" rel="noreferrer">http://docs.oracle.com/javase/1.7/docs/api/javax/crypto/spec/PBEKeySpec.html</a>)</p>