From dad1c0fbb370294dacba878b19edf68d43fc3976 Mon Sep 17 00:00:00 2001
From: overtrue <anzhengchao@gmail.com>
Date: Wed, 12 Oct 2016 12:11:40 +0800
Subject: [PATCH] :hankey: Imporve AES_KEY validation.

---
 src/Encryption/Encryptor.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Encryption/Encryptor.php b/src/Encryption/Encryptor.php
index fa6c2b724..d8da47224 100644
--- a/src/Encryption/Encryptor.php
+++ b/src/Encryption/Encryptor.php
@@ -210,10 +210,14 @@ public function decode($decrypted)
      */
     protected function getAESKey()
     {
-        if (empty($this->AESKey) || strlen($this->AESKey) !== 43) {
+        if (empty($this->AESKey)) {
             throw new InvalidConfigException("Configuration mission, 'aes_key' is required.");
         }
 
+        if (strlen($this->AESKey) !== 43) {
+            throw new InvalidConfigException("The length of 'aes_key' must be 43.");
+        }
+
         return base64_decode($this->AESKey.'=', true);
     }