<?php
/**
 * Created by PhpStorm.
 * User: Mead
 * Date: 2019/9/25
 * Time: 6:45 PM
 */

namespace App\Handlers;
class Tea
{
    //密钥 须是16位
    public $key ;

    //偏移量
    public $iv = '0123456789abcdef';

    /**
     * 解密字符串
     * @param string $data 字符串
     * @return string
     */
    public function __construct()
    {
        $this->key = 'TBIT_WA205-7HBLE';
//        $this->key = '003448480';
    }

    public  function decode($str)
    {
        return openssl_decrypt(base64_decode($str),"AES-128-CBC",$this->key,OPENSSL_RAW_DATA, $this->iv);
    }

    /**
     * 加密字符串
     * @param string $data 字符串
     * @return string
     */
    public  function encode($str)
    {
        return base64_encode(openssl_encrypt($str,"AES-128-CBC",$this->key,OPENSSL_RAW_DATA, $this->iv));
    }
}