diff -u b/tfa.inc b/tfa.inc
--- b/tfa.inc
+++ b/tfa.inc
@@ -514,7 +514,7 @@
    *     [3]: The encrypted data.
    */
   protected function getPartsFromEncryptedStorageText($encrypted_storage_text) {
-    $regex = '/(\d+\|){0,1}(.{16})?\|/';
+    $regex = '/^(\d+\|){0,1}(.{16})\|(.*)$/';
     preg_match($regex, $encrypted_storage_text, $matches);
     return $matches;
   }