diff --git a/authentication.php b/authentication.php
index 66be594..dfc7beb 100644
--- a/authentication.php
+++ b/authentication.php
@@ -44,22 +44,6 @@ class authentication
   /** The authentication methods. Can be ldap, sympa...*/
   public $authMethods = array ();
 
-  /** Add the server key used to create the JSON Web Token.
-    * Without it, the JWT is not added to the valid authentication page
-    */
-  public $jwtServerKey = null;
-
-  /** The name of the JSON Web Token set in localStorage of the client browser
-    * if the authentication is valid. Will be used later by JS on client with
-    * Bearer authentication for REST API.
-    */
-  public $jwtName = "DFKJWT";
-
-  /** The JST Algorithm used to sign the JWT
-    * Allowed algorithms : HS256, HS512, HS384
-    */
-  public $jwtAlgorithm = "HS256";
-
   /** The authentication servers configuration
     * array ("authXXXX" => array (
     *     array ("ldapserver"       => "ldaps://server.domain.fr",
@@ -132,12 +116,15 @@ class authentication
                     "Logout for '".$param["email"]."'");
     $authsession->logout ();
     unset ($_SESSION["domframework"]["authentication"]);
-    if ($this->jwtServerKey !== null)
+    if (isset ($this->authServers["authjwt"]["serverKey"]))
     {
+      $tokenName = "DFKJWT";
+      if (isset ($this->authServers["authjwt"]["tokenName"]))
+        $tokenName = $this->authServers["authjwt"]["tokenName"];
       // Unset the JSON Web Token as the authentication
       if ($this->route->debug)
-        echo "<tt>Unset the JSON Web Token '$this->jwtName'</tt><br/>\n";
-      echo "<script>localStorage.removeItem('$this->jwtName');</script>\n";
+        echo "<tt>Unset the JSON Web Token '$tokenName'</tt><br/>\n";
+      echo "<script>localStorage.removeItem('$tokenName');</script>\n";
     }
     if ($this->debug) echo "Redirect to authentication page";
     if ($this->debug) $this->route->debug = $this->debug;
@@ -252,11 +239,14 @@ class authentication
     $session = new authsession ();
     $session->savedata ($authparams->email, $authparams->password,
                         $res["lastname"], $res["firstname"]);
-    if ($this->jwtServerKey !== null)
+    if (isset ($this->authServers["authjwt"]["serverKey"]))
     {
       // Set the JSON Web Token as the authentication is valid
+      $tokenName = "DFKJWT";
+      if (isset ($this->authServers["authjwt"]["tokenName"]))
+        $tokenName = $this->authServers["authjwt"]["tokenName"];
       $token = $this->createJwtToken ($authparams->email);
-      echo "<script>localStorage.setItem('$this->jwtName','$token');".
+      echo "<script>localStorage.setItem('$tokenName','$token');".
            "</script>\n";
     }
     if ($url === "")
@@ -301,15 +291,19 @@ class authentication
   public function createJwtToken ($email)
   // {{{
   {
-    if ($this->jwtServerKey !== null)
+    if (isset ($this->authServers["authjwt"]["serverKey"]))
     {
       // Set the JSON Web Token as the authentication is valid
       require_once ("domframework/jwt.php");
+      $algorithm = "HS256";
+      if (isset ($this->authServers["authjwt"]["algorithm"]))
+        $algorithm = $this->authServers["authjwt"]["algorithm"];
       $payloadArray = array();
       $payloadArray["email"] = $email;
       $jwt = new jwt ();
-      $token = $jwt->encode ($payloadArray, $this->jwtServerKey,
-        $this->jwtAlgorithm);
+      $token = $jwt->encode ($payloadArray,
+        $this->authServers["authjwt"]["serverKey"],
+        $algorithm);
       return $token;
     }
   }
@@ -379,6 +373,7 @@ class authentication
         echo "verifAuth : using auth cache (push in debug=2 to skip)\n";
       return $_SESSION["domframework"]["authentication"]["authcache"];
     }
+    $authServers = $this->authServers;
 
     foreach ($this->authMethods as $method)
     {
@@ -388,23 +383,23 @@ class authentication
         throw new \Exception ("The authentication method is not a string", 500);
       $classname = "auth$method";
       require_once ("domframework/$classname.php");
-      if (! array_key_exists ($classname, $this->authServers))
+      if (! array_key_exists ($classname, $authServers))
         throw new \Exception ("No authentication server '$classname' enabled",
                              500);
       // If only one server is defined, the parameters can directely be pushed
       // to the classname
-      if (! is_array (reset ($this->authServers[$classname])))
+      if (! is_array (reset ($authServers[$classname])))
       {
-        $this->authServers[$classname] = array ($this->authServers[$classname]);
+        $authServers[$classname] = array ($authServers[$classname]);
       }
       if ($this->debug >= 2)
         echo "Authentication method=$method : authServers=".
-          var_export ($this->authServers[$classname])."\n";
-      if (! is_array ($this->authServers[$classname]) ||
-          count ($this->authServers[$classname]) === 0)
+          var_export ($authServers[$classname])."\n";
+      if (! is_array ($authServers[$classname]) ||
+          count ($authServers[$classname]) === 0)
         throw new \Exception ("No authentication server defined for method ".
                              "'$method'", 500);
-      foreach ($this->authServers[$classname] as $key=>$serversParam)
+      foreach ($authServers[$classname] as $key=>$serversParam)
       {
         if ($this->debug)
           echo "Test auth server $method # $classname # $key\n";