<?php
/**
 * Created by KLXQ
 * user: youyi
 * Date：2024/6/14  16:29.
 * Tencent SDK.
 * 目前主要用于腾讯事件回调验签.
 */

namespace App\Http\Helpers\Tencent;

class TlsEventSig
{
    private string $key;
    private string $body;

    public function __construct($key, $body)
    {
        $this->key = $key;
        $this->body = $body;
    }

    private function __hmacsha256()
    {
        $hash = hash_hmac('sha256', $this->body, $this->key, true);

        return base64_encode($hash);
    }

    public function genEventSig()
    {
        return $this->__hmacsha256();
    }
}