<?php

namespace app\util;

class Aes {

public $key = '';

public $iv = '';

public $method = '';

/**

* 构造方法

*/

public function __construct($key, $iv = '', $method = 'AES-128-ECB')
    {
        $this->method = $method;
        $this->key    = $key;
        $this->iv     = $iv;
    }

// 加密

public function aesEn($data){

return  base64_encode(openssl_encrypt($data, $this->method,$this->key, OPENSSL_RAW_DATA , $this->iv));

}

//解密

public function aesDe($data){

return openssl_decrypt(base64_decode($data),  $this->method, $this->key, OPENSSL_RAW_DATA, $this->iv);

}
}