php加密解密

public static function encrypt($data, $key)
{
    $key = 111;
    // 生成盐值
    $salt = openssl_random_pseudo_bytes(16);
    // 使用盐值和密钥进行加密
    $encrypted = openssl_encrypt($data, 'AES-128-CBC', $key, 0, $salt);
    // 将盐值和加密后的数据拼接
    $result = base64_encode($salt . $encrypted);
    return $result;
}

public static function decrypt($data, $key)
{
    $key = 111;
    // 解码数据
    $data = base64_decode($data);
    // 从数据中提取盐值和加密的数据
    $salt = substr($data, 0, 16);
    $encrypted = substr($data, 16);
    // 使用盐值和密钥进行解密
    $decrypted = openssl_decrypt($encrypted, 'AES-128-CBC', $key, 0, $salt);
    return $decrypted;
}