use Laminas math

composer.json

@@ -39,6 +39,7 @@
   "require": {
     "php": ">=7.2",
     "ext-xmlwriter": "*",
+    "ext-openssl": "*",
     "oxid-esales/oxideshop-ce": "6.8.0 - 6.12",
     "spomky-labs/otphp": "^10.0 || ^11.0",
     "bacon/bacon-qr-code": "^2.0",

src/Application/Model/d3RandomGenerator.php

@@ -1,9 +1,8 @@
 <?php
 
-
 namespace D3\Totp\Application\Model;
 
-use Zend\Math\Rand;
+use Laminas\Math\Rand;
 
 class d3RandomGenerator extends Rand
 {