Merge pull request #1 from lixinhan/deception-prevention

增加验证，防止jwt token 二段信息 被恶意篡改，欺骗服务端

src/Util/JWTUtil.php

@@ -91,6 +91,7 @@ public static function getValidationData(Signer $signer, Key $key, string $token
         }
 
         $config->setValidationConstraints(new \Lcobucci\JWT\Validation\Constraint\IdentifiedBy($claims['jti']));
+        $config->setValidationConstraints(new \Lcobucci\JWT\Validation\Constraint\SignedWith($signer,$key));
 
         if (! $config->validator()->validate($parser, ...$config->validationConstraints())) {
             return false;