From 1c0129466a60c3965ea999f5a7161b3f34ad56d3 Mon Sep 17 00:00:00 2001
From: Paolo <bison@technikum-wien.at>
Date: Thu, 4 May 2023 15:23:51 +0200
Subject: [PATCH 1/2] Bugfix: added a check to DB_Model->_addEncrypt method on
 the parameter encryptedColumns

---
 application/core/DB_Model.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/application/core/DB_Model.php b/application/core/DB_Model.php
index d554d8c5c..d286d1d54 100644
--- a/application/core/DB_Model.php
+++ b/application/core/DB_Model.php
@@ -906,6 +906,9 @@ class DB_Model extends CI_Model
 	 */
 	private function _addEncrypt($encryptedColumns, &$data)
 	{
+		// If encryptedColumns is not defined then exit
+		if (isEmptyArray($encryptedColumns)) return;
+
 		$tmpData = array(); // Temporary array used to copy not encrypted columns
 
 		// For each column that is going to be inserted/updated

From defe4e2f936012384b981af1a264ba9a09eb2d5c Mon Sep 17 00:00:00 2001
From: Paolo <bison@technikum-wien.at>
Date: Thu, 4 May 2023 15:33:08 +0200
Subject: [PATCH 2/2] Added new interface application/core/IEncryption.php

---
 application/core/IEncryption.php | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 application/core/IEncryption.php

diff --git a/application/core/IEncryption.php b/application/core/IEncryption.php
new file mode 100644
index 000000000..6b9132c23
--- /dev/null
+++ b/application/core/IEncryption.php
@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * Copyright (C) 2023 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+interface IEncryption
+{
+	public function getEncryptedColumns(): array;
+}
+