—— 请按键盘 空白键 开始游戏 ——

The true measure of our success will be what we leave for future generations.
The goal of cryptography is to make it so that the cost of breaking the system exceeds the value of the information protected.
世界上充满了神奇的事物,耐心地等待着我们的感官变得更加敏锐。