add test

Author: devnexen

ext/openssl/tests/gh22186.phpt

@@ -0,0 +1,28 @@
+--TEST--
+GH-22186 (Heap buffer overflow in openssl_encrypt with AES-WRAP-PAD)
+--EXTENSIONS--
+openssl
+--SKIPIF--
+<?php
+if (!in_array('aes-128-wrap-pad', openssl_get_cipher_methods(), true)) {
+    die('skip aes-128-wrap-pad not available');
+}
+?>
+--FILE--
+<?php
+$pass = str_repeat("k", 16);
+$iv = str_repeat("\0", 4);
+
+for ($i = 1; $i < 258; $i++) {
+    $data = str_repeat("a", $i);
+    $enc = openssl_encrypt($data, 'aes-128-wrap-pad', $pass, OPENSSL_RAW_DATA | OPENSSL_DONT_ZERO_PAD_KEY, $iv);
+    $dec = openssl_decrypt($enc, 'aes-128-wrap-pad', $pass, OPENSSL_RAW_DATA | OPENSSL_DONT_ZERO_PAD_KEY, $iv);
+    if ($dec !== $data) {
+        die("mismatch at $i\n");
+    }
+}
+
+echo "done\n";
+?>
+--EXPECT--
+done