Bug fix decryption

Planetbiru · Nov 20, 2024 · e27c8d9 · e27c8d9
1 parent 4889b2d
commit e27c8d9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/SecretObject.php b/src/SecretObject.php
@@ -552,7 +552,7 @@ public function decryptString($ciphertext, $hexKey = null)
         $iv = substr($ivHashCiphertext, 0, 16);
         $hash = substr($ivHashCiphertext, 16, 32);
         $ciphertext = substr($ivHashCiphertext, 48);
-        if (!hash_equals(hash_hmac('sha256', $ciphertext . $iv, $key, true), $hash))
+        if (!$hash || !hash_equals(hash_hmac('sha256', $ciphertext . $iv, $key, true), $hash))
         {
             return null;
         }