--- a/src/ch/ethz/ssh2/InteractiveCallback.java	Wed Jul 30 13:38:04 2014 -0700
+++ b/src/ch/ethz/ssh2/InteractiveCallback.java	Wed Jul 30 14:21:50 2014 -0700
@@ -7,52 +7,51 @@
 /**
  * An <code>InteractiveCallback</code> is used to respond to challenges sent
  * by the server if authentication mode "keyboard-interactive" is selected.
- * 
+ *
  * @see Connection#authenticateWithKeyboardInteractive(String,
  *      String[], InteractiveCallback)
- * 
+ *
  * @author Christian Plattner
  * @version 2.50, 03/15/10
  */
 
-public interface InteractiveCallback
-{
-	/**
-	 * This callback interface is used during a "keyboard-interactive"
-	 * authentication. Every time the server sends a set of challenges (however,
-	 * most often just one challenge at a time), this callback function will be
-	 * called to give your application a chance to talk to the user and to
-	 * determine the response(s).
-	 * <p>
-	 * Some copy-paste information from the standard: a command line interface
-	 * (CLI) client SHOULD print the name and instruction (if non-empty), adding
-	 * newlines. Then for each prompt in turn, the client SHOULD display the
-	 * prompt and read the user input. The name and instruction fields MAY be
-	 * empty strings, the client MUST be prepared to handle this correctly. The
-	 * prompt field(s) MUST NOT be empty strings.
-	 * <p>
-	 * Please refer to draft-ietf-secsh-auth-kbdinteract-XX.txt for the details.
-	 * <p>
-	 * Note: clients SHOULD use control character filtering as discussed in
-	 * RFC4251 to avoid attacks by including
-	 * terminal control characters in the fields to be displayed.
-	 * 
-	 * @param name
-	 *            the name String sent by the server.
-	 * @param instruction
-	 *            the instruction String sent by the server.
-	 * @param numPrompts
-	 *            number of prompts - may be zero (in this case, you should just
-	 *            return a String array of length zero).
-	 * @param prompt
-	 *            an array (length <code>numPrompts</code>) of Strings
-	 * @param echo
-	 *            an array (length <code>numPrompts</code>) of booleans. For
-	 *            each prompt, the corresponding echo field indicates whether or
-	 *            not the user input should be echoed as characters are typed.
-	 * @return an array of reponses - the array size must match the parameter
-	 *         <code>numPrompts</code>.
-	 */
-	public String[] replyToChallenge(String name, String instruction, int numPrompts, String[] prompt, boolean[] echo)
-			throws Exception;
+public interface InteractiveCallback {
+    /**
+     * This callback interface is used during a "keyboard-interactive"
+     * authentication. Every time the server sends a set of challenges (however,
+     * most often just one challenge at a time), this callback function will be
+     * called to give your application a chance to talk to the user and to
+     * determine the response(s).
+     * <p>
+     * Some copy-paste information from the standard: a command line interface
+     * (CLI) client SHOULD print the name and instruction (if non-empty), adding
+     * newlines. Then for each prompt in turn, the client SHOULD display the
+     * prompt and read the user input. The name and instruction fields MAY be
+     * empty strings, the client MUST be prepared to handle this correctly. The
+     * prompt field(s) MUST NOT be empty strings.
+     * <p>
+     * Please refer to draft-ietf-secsh-auth-kbdinteract-XX.txt for the details.
+     * <p>
+     * Note: clients SHOULD use control character filtering as discussed in
+     * RFC4251 to avoid attacks by including
+     * terminal control characters in the fields to be displayed.
+     *
+     * @param name
+     *            the name String sent by the server.
+     * @param instruction
+     *            the instruction String sent by the server.
+     * @param numPrompts
+     *            number of prompts - may be zero (in this case, you should just
+     *            return a String array of length zero).
+     * @param prompt
+     *            an array (length <code>numPrompts</code>) of Strings
+     * @param echo
+     *            an array (length <code>numPrompts</code>) of booleans. For
+     *            each prompt, the corresponding echo field indicates whether or
+     *            not the user input should be echoed as characters are typed.
+     * @return an array of reponses - the array size must match the parameter
+     *         <code>numPrompts</code>.
+     */
+    public String[] replyToChallenge(String name, String instruction, int numPrompts, String[] prompt, boolean[] echo)
+    throws Exception;
 }