title: iOS Swift convert HEX string to Base64 with NO_WRAP option
body: <p>Equivalent of Android's Base 64 NO_WRAP option in swift's Base 64?</p>
  
  <p>In android:
  hash = Base64.encodeToString(message.getBytes()), Base64.NO_WRAP);</p>
  
  <p>See NO_WRAP option below:
  <a href="https://developer.android.com/reference/android/util/Base64.html" rel="nofollow noreferrer">https://developer.android.com/reference/android/util/Base64.html</a></p>
  
  <p>What's the equivalent in swift for iOS to convert a HEX String to Base 64 with the NO_WRAP option?</p>