下面这段php转换成asp代码是怎么样的？

sign校验算法 :

    <?php
        $timestamp = time();
        $params = [
            'app_key' => self:APP_KEY
            'open_id' => '1IdJ',
            'timestamp' => $timestamp
        ];
        public function sign()
        {
            if (!is_array($params)) {
                return false;
            }
            unset($params['sign']);
            $str = self::SECRET_KEY;
            return md5($str);
        }
        $result = [
            'app_key' => $params['app_key'],
            'open_id' => $params['open_id'],
            'timestamp' => $timestamp
            'sign' => $this->sign($params)
        ];
        return $result
    ?>

https://zhidao.baidu.com/question/174292592.html