--- a/src/ch/ethz/ssh2/ServerAuthenticationCallback.java	Wed Jul 30 12:09:51 2014 -0700
+++ b/src/ch/ethz/ssh2/ServerAuthenticationCallback.java	Wed Jul 30 14:16:58 2014 -0700
@@ -7,86 +7,85 @@
 
 /**
  * A callback used during the authentication phase (see RFC 4252) when
- * implementing a SSH server. 
- * 
+ * implementing a SSH server.
+ *
  * @author Christian Plattner
  * @version 2.50, 03/15/10
  */
-public interface ServerAuthenticationCallback
-{
-	/**
-	 * The method name for host-based authentication. 
-	 */
-	public final String METHOD_HOSTBASED = "hostbased";
+public interface ServerAuthenticationCallback {
+    /**
+     * The method name for host-based authentication.
+     */
+    public final String METHOD_HOSTBASED = "hostbased";
 
-	/**
-	 * The method name for public-key authentication. 
-	 */
-	public final String METHOD_PUBLICKEY = "publickey";
+    /**
+     * The method name for public-key authentication.
+     */
+    public final String METHOD_PUBLICKEY = "publickey";
 
-	/**
-	 * The method name for password authentication. 
-	 */
-	public final String METHOD_PASSWORD = "password";
+    /**
+     * The method name for password authentication.
+     */
+    public final String METHOD_PASSWORD = "password";
 
-	/**
-	 * Called when the client enters authentication.
-	 * This gives you the chance to set a custom authentication banner
-	 * for this SSH-2 session. This is the first method called in this interface.
-	 * It will only called at most once per <code>ServerConnection</code>.
-	 * 
-	 * @param sc The corresponding <code>ServerConnection</code>
-	 * @return The authentication banner or <code>NULL</code> in case no banner should be send.
-	 */
-	public String initAuthentication(ServerConnection sc);
+    /**
+     * Called when the client enters authentication.
+     * This gives you the chance to set a custom authentication banner
+     * for this SSH-2 session. This is the first method called in this interface.
+     * It will only called at most once per <code>ServerConnection</code>.
+     *
+     * @param sc The corresponding <code>ServerConnection</code>
+     * @return The authentication banner or <code>NULL</code> in case no banner should be send.
+     */
+    public String initAuthentication(ServerConnection sc);
 
-	/**
-	 * Return the authentication methods that are currently available to the client.
-	 * Be prepared to return this information at any time during the authentication procedure.
-	 * <p/>
-	 * The returned name-list of 'method names' (see RFC4252) indicate the authentication methods
-	 * that may productively continue the authentication dialog.
-	 * </p>
-	 * It is RECOMMENDED that servers only include those 'method name'
-	 * values in the name-list that are actually useful.  However, it is not
-	 * illegal to include 'method name' values that cannot be used to
-	 * authenticate the user.
-	 * <p/>
-	 * Already successfully completed authentications SHOULD NOT be included
-	 * in the name-list, unless they should be performed again for some reason.
-	 * 
-	 * @see #METHOD_HOSTBASED
-	 * @see #METHOD_PASSWORD
-	 * @see #METHOD_PUBLICKEY
-	 * 
-	 * @param sc
-	 * @return A list of method names.
-	 */
-	public String[] getRemainingAuthMethods(ServerConnection sc);
+    /**
+     * Return the authentication methods that are currently available to the client.
+     * Be prepared to return this information at any time during the authentication procedure.
+     * <p/>
+     * The returned name-list of 'method names' (see RFC4252) indicate the authentication methods
+     * that may productively continue the authentication dialog.
+     * </p>
+     * It is RECOMMENDED that servers only include those 'method name'
+     * values in the name-list that are actually useful.  However, it is not
+     * illegal to include 'method name' values that cannot be used to
+     * authenticate the user.
+     * <p/>
+     * Already successfully completed authentications SHOULD NOT be included
+     * in the name-list, unless they should be performed again for some reason.
+     *
+     * @see #METHOD_HOSTBASED
+     * @see #METHOD_PASSWORD
+     * @see #METHOD_PUBLICKEY
+     *
+     * @param sc
+     * @return A list of method names.
+     */
+    public String[] getRemainingAuthMethods(ServerConnection sc);
 
-	/**
-	 * Typically, this will be called be the client to get the list of
-	 * authentication methods that can continue. You should simply return
-	 * {@link AuthenticationResult#FAILURE}.
-	 * 
-	 * @param sc
-	 * @param username Name of the user that wants to log in with the "none" method.
-	 * @return
-	 */
-	public AuthenticationResult authenticateWithNone(ServerConnection sc, String username);
+    /**
+     * Typically, this will be called be the client to get the list of
+     * authentication methods that can continue. You should simply return
+     * {@link AuthenticationResult#FAILURE}.
+     *
+     * @param sc
+     * @param username Name of the user that wants to log in with the "none" method.
+     * @return
+     */
+    public AuthenticationResult authenticateWithNone(ServerConnection sc, String username);
 
-	public AuthenticationResult authenticateWithPassword(ServerConnection sc, String username, String password);
+    public AuthenticationResult authenticateWithPassword(ServerConnection sc, String username, String password);
 
-	/**
-	 * NOTE: Not implemented yet.
-	 * 
-	 * @param sc
-	 * @param username
-	 * @param algorithm
-	 * @param publickey
-	 * @param signature
-	 * @return
-	 */
-	public AuthenticationResult authenticateWithPublicKey(ServerConnection sc, String username, String algorithm,
-			byte[] publickey, byte[] signature);
+    /**
+     * NOTE: Not implemented yet.
+     *
+     * @param sc
+     * @param username
+     * @param algorithm
+     * @param publickey
+     * @param signature
+     * @return
+     */
+    public AuthenticationResult authenticateWithPublicKey(ServerConnection sc, String username, String algorithm,
+            byte[] publickey, byte[] signature);
 }