From 6c1ae655cdd8edfd23f478a4cb25dde9d1aa5f56 Mon Sep 17 00:00:00 2001
From: Artem Vasilev <kern.usr@gmail.com>
Date: Wed, 13 Mar 2024 03:11:59 +0300
Subject: [PATCH] EncryptionHelper

---
 .../src/Helper/EncryptionHelper.php           | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 com_oauthserver/administrator/src/Helper/EncryptionHelper.php

diff --git a/com_oauthserver/administrator/src/Helper/EncryptionHelper.php b/com_oauthserver/administrator/src/Helper/EncryptionHelper.php
new file mode 100644
index 0000000..1e8b38b
--- /dev/null
+++ b/com_oauthserver/administrator/src/Helper/EncryptionHelper.php
@@ -0,0 +1,32 @@
+<?php
+/**
+ * @package         Joomla.Administrator
+ * @subpackage      com_oauthserver
+ *
+ * @copyright   (c) 2024. Webmasterskaya. <https://webmasterskaya.xyz>
+ * @license         MIT; see LICENSE.txt
+ **/
+
+namespace Webmasterskaya\Component\OauthServer\Administrator\Helper;
+
+class EncryptionHelper
+{
+    public static function generatingKeys(string $alg = 'sha512', int $length = 4096, int $type = OPENSSL_KEYTYPE_RSA, ?string $passphrase = null): array
+    {
+        $config = [
+            "digest_alg"       => $alg,
+            "private_key_bits" => $length,
+            "private_key_type" => $type,
+            "encrypt_key"      => !empty($passphrase)
+        ];
+
+        $private_key = '';
+        $key         = openssl_pkey_new($config);
+
+        openssl_pkey_export($key, $private_key, $passphrase);
+
+        $public_key = openssl_pkey_get_details($key);
+
+        return [$private_key, $public_key['key']];
+    }
+}