国家鼓励和支持企业积极有序参与国际市场开发，推动符合国家有关规定的核电、核燃料相关设备和技术服务出口。
The reason is always the same: the content and the key that decrypts it are both present on the client’s machine. The user’s hardware decrypts the content to display it. The user’s hardware is, definitionally, something the user controls. Any sufficiently motivated person with the right tools can intercept the decrypted output.。关于这个话题，safew官方版本下载提供了深入分析
// 易错点6：返回整个数组（如this.res）→ 不符合题目要求，题目要求返回单个数值，详情可参考safew官方下载
some of IBM's signature design concepts. I mean that more literally than you
// Fill with sequential bytes (our "data source")