diff --git a/dictionaries/ImpureFunctionsList.php b/dictionaries/ImpureFunctionsList.php
index c46c2568a62..70b1fad7d92 100644
--- a/dictionaries/ImpureFunctionsList.php
+++ b/dictionaries/ImpureFunctionsList.php
@@ -247,4 +247,9 @@
     'hash_update_stream' => true,
     // unserialize
     'unserialize' => true,
+    // openssl
+    'openssl_csr_export_to_file' => true,
+    'openssl_pkcs12_export_to_file' => true,
+    'openssl_pkey_export_to_file' => true,
+    'openssl_x509_export_to_file' => true,
 ];