Updating code to new JwtWrapper

Author: byjg

README.md

@@ -160,3 +160,5 @@ We store a cookie named AUTH_BEARER_<context name> with the session name. The PH
 PHP create it by default but we do not use it;
 
 
+----
+[Open source ByJG](http://opensource.byjg.com)

src/JwtSession.php

@@ -148,8 +148,7 @@ public function read($session_id)
             if (isset($_COOKIE[self::COOKIE_PREFIX . $this->sessionConfig->getSessionContext()])) {
                 $jwt = new JwtWrapper(
                     $this->sessionConfig->getServerName(),
-                    $this->sessionConfig->getSecretKey(),
-                    $this->sessionConfig->getPublicKey()
+                    $this->sessionConfig->getKey()
                 );
                 $data = $jwt->extractData($_COOKIE[self::COOKIE_PREFIX . $this->sessionConfig->getSessionContext()]);
 
@@ -181,14 +180,14 @@ public function read($session_id)
      * The return value (usually TRUE on success, FALSE on failure).
      * Note this value is returned internally to PHP for processing.
      * </p>
+     * @throws \ByJG\Util\JwtWrapperException
      * @since 5.4.0
      */
     public function write($session_id, $session_data)
     {
         $jwt = new JwtWrapper(
             $this->sessionConfig->getServerName(),
-            $this->sessionConfig->getSecretKey(),
-            $this->sessionConfig->getPublicKey()
+            $this->sessionConfig->getKey()
         );
         $data = $jwt->createJwtData($session_data, $this->sessionConfig->getTimeoutMinutes() * 60);
         $token = $jwt->generateToken($data);

src/SessionConfig.php

@@ -2,6 +2,10 @@
 
 namespace ByJG\Session;
 
+use ByJG\Util\JwtKeyInterface;
+use ByJG\Util\JwtKeySecret;
+use ByJG\Util\JwtRsaKey;
+
 class SessionConfig
 {
     protected $serverName;
@@ -10,8 +14,7 @@ class SessionConfig
     protected $timeoutMinutes = 20;
     protected $cookieDomain = null;
     protected $cookiePath = '/';
-    protected $secretKey = null;
-    protected $publicKey = null;
+    protected $jwtKey = null;
     protected $replaceSessionHandler = null;
 
     /**
@@ -45,14 +48,12 @@ public function withCookie($domain, $path = "/") {
     }
 
     public function withSecret($secret) {
-        $this->secretKey = $secret;
-        $this->publicKey = null;
+        $this->jwtKey = new JwtKeySecret($secret);
         return $this;
     }
 
     public function withRsaSecret($private, $public) {
-        $this->secretKey = $private;
-        $this->publicKey = $public;
+        $this->jwtKey = new JwtRsaKey($private, $public);
         return $this;
     }
 
@@ -102,19 +103,11 @@ public function getCookiePath()
     }
 
     /**
-     * @return null
-     */
-    public function getSecretKey()
-    {
-        return $this->secretKey;
-    }
-
-    /**
-     * @return null
+     * @return JwtKeyInterface
      */
-    public function getPublicKey()
+    public function getKey()
     {
-        return $this->publicKey;
+        return $this->jwtKey;
     }
 
     public function isReplaceSession() {