qimall/addons/QiDingDong/common/helper/AesHelper.php

<?php

namespace addons\QiDingDong\common\helper;

class AesHelper
{
    public static $aesMethod = "AES-128-CBC";
    public static $aesOptions = OPENSSL_RAW_DATA;
    public static $aesIv = "106d46f29f9ea389";

    /**
     * 对字符串进行加密
     *
     * @param mixed $plaintext
     * @return array [密文,加密key]
     */
    public static function encrypt($plaintext)
    {
        $key = time() . mt_rand(100000, 999999);
        $ciphertext = openssl_encrypt(json_encode($plaintext), self::$aesMethod, $key, self::$aesOptions, self::$aesIv);
        return [base64_encode($ciphertext), $key];
    }

    /**
     * 对密文进行解密
     *
     * @param string $ciphertext    密文
     * @param string $key           加密密钥
     * @return string|array|int     解密后数据
     */
    public static function decrypt(string $ciphertext, string $key)
    {
        $original_plaintext = openssl_decrypt(base64_decode($ciphertext), self::$aesMethod, $key, self::$aesOptions, self::$aesIv);
        return json_decode($original_plaintext, true);
    }

}