—— 请按键盘 空白键 开始游戏 ——

Every man has a right to his opinion, but no man has a right to be wrong in his facts.
The kitchen is the heart of the home, and baking is its soul.
密码学中的挑战不仅仅是创建不可破解的代码,还包括创建即使技术发展也能保持安全的系统。