diff --git a/jwt.php b/jwt.php
index 7779977..33fdd3d 100644
--- a/jwt.php
+++ b/jwt.php
@@ -4,6 +4,8 @@
   * @author Dominique Fournier <dominique@fournier38.fr>
   */
 
+require_once ("domframework/encrypt.php");
+
 /** Allow to manage the JSON Web Tokens
   * Based on https://tools.ietf.org/html/rfc7519
   *
@@ -47,7 +49,10 @@ class jwt
     $segments[] = $this->urlsafeB64Encode ($this->jsonEncode ($header));
     $payload = $this->jsonEncode ($payload);
     if ($ckey)
-      $payload = $this->encrypt ($payload, $ckey);
+    {
+      $encrypt = new encrypt ();
+      $payload = $encrypt->encrypt ($payload, $ckey);
+    }
     $segments[] = $this->urlsafeB64Encode ($payload);
     $toBeSigned = implode ('.', $segments);
     $signature = $this->sign ($toBeSigned, $key, $alg);
@@ -83,7 +88,10 @@ class jwt
     $header = (object)$this->jsonDecode ($this->urlsafeB64Decode ($headerb64));
     $payload = $this->urlsafeB64Decode ($payloadb64);
     if ($ckey)
-      $payload = $this->decrypt ($payload, $ckey);
+    {
+      $encrypt = new encrypt ();
+      $payload = $encrypt->decrypt ($payload, $ckey);
+    }
     $payload = $this->jsonDecode ($payload);
     $signature = $this->urlsafeB64Decode ($signb64);
     if ($header === null)
@@ -150,72 +158,6 @@ class jwt
   }
   // }}}
 
-  /** Encrypt the payload to not be readable by anybody
-    * @param string $payload The payload to encrypt
-    * @param string $ckey The 24 chars for the cipher key
-    * @param string|null $cipherMethod DES-EDE3-CBC by default
-    * @return base64 encrypted payload
-    */
-  private function encrypt ($payload, $ckey, $cipherMethod = "des-ede3-cbc")
-  // {{{
-  {
-    if (! in_array ($cipherMethod, openssl_get_cipher_methods()))
-      throw new \Exception (dgettext ("domframework",
-      "Invalid cipher provided to encrypt method : ".
-      "doesn't exists in OpenSSL"), 500);
-    if (! is_string ($payload))
-      throw new \Exception (dgettext ("domframework",
-      "Invalid payload provided to encrypt method : ".
-      "Not a string"), 500);
-    if (strlen ($ckey) !== 24)
-      throw new \Exception (dgettext ("domframework",
-      "Invalid cipherKey provided to encrypt method :" .
-      " length different of 24 chars"), 500);
-    // Must be the same as decrypt
-    $options = true;
-    $ivlen = openssl_cipher_iv_length ($cipherMethod);
-    $iv = openssl_random_pseudo_bytes ($ivlen);
-    $ciphertext = openssl_encrypt ($payload, $cipherMethod, $ckey, $options,
-      $iv);
-    if ($ciphertext === false)
-      throw new \Exception (dgettext ("domframework",
-      "Can not encrypt the payload"), 500);
-    $ciphertext = $iv . $ciphertext;
-    return ($ciphertext);
-  }
-  // }}}
-
-  /** Decrypt the payload
-    * @param string $ciphertext The payload to decrypt
-    * @param string $ckey The 24 chars for the cipher key
-    * @param string|null $cipherMethod DES-EDE3-CBC by default
-    * @return decrypted payload
-    */
-  private function decrypt ($ciphertext, $ckey, $cipherMethod = "des-ede3-cbc")
-  // {{{
-  {
-    if (! is_string ($ciphertext))
-      throw new \Exception (dgettext ("domframework",
-      "Invalid ciphertext provided to decrypt method : not a string"), 500);
-    if (trim ($ciphertext) === "")
-      throw new \Exception (dgettext ("domframework",
-      "Invalid ciphertext provided to decrypt method : empty string"), 500);
-    if (strlen ($ckey) !== 24)
-      throw new \Exception (dgettext ("domframework",
-      "Invalid cipherKey provided to decrypt method :" .
-      " length different of 24 chars"), 500);
-    $ivlen = openssl_cipher_iv_length ($cipherMethod);
-    $iv = substr ($ciphertext, 0, $ivlen);
-    if (strlen ($iv) != $ivlen)
-      throw new \Exception (dgettext ("domframework",
-      "Can not decrypt the payload : invalid salt"), 500);
-    // Must be the same as encrypt
-    $options = true;
-    $ciphertext = substr ($ciphertext, $ivlen);
-    return openssl_decrypt ($ciphertext, $cipherMethod, $ckey, $options, $iv);
-  }
-  // }}}
-
   /** Sign the requested string with the provided key and based on the algorithm
     * @param string $input The string to sign
     * @param string $key The key to use