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第三十二章 凯撒的密码(1 / 1)

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公元前58年。在高卢打仗的凯撒心里很愁,多个战争就被敌人提前预测到,然后自己远方的部队还没有按照命令行进的时候,就被敌人歼灭了。

凯撒的副将安东尼看出了凯撒的心情不好,连忙问:“发生什么事情了?”

凯撒说:“在高卢这么久都没有成效,关键在于信使不能把命令准确传达。要知道,我要指挥多场复杂的战争,让整体战略协同起来,就要有各路信使按照我的命令来完成任务才行。”

安东尼说:“信使被劫,这在古往今来的战争中都是常有的事情。”

凯撒说:“总不能什么事情,我都亲自跑到各个地方的单元部队,然后贴着耳朵告诉他们该怎么做吧?”

安东尼说:“麻烦的就是这个,也不能派出一个部队去保护信使,这样太浪费,还影响速度。”

年纪小小的沃大维说:“我倒是有个办法,可以让敌人截获了信也没有用。”

安东尼说:“最好是不能让截获。”

凯撒说:“不能让截获这种事可不是我们能决定的。听听沃大维的意思。”

沃大维说:“我们可以把信中内容改成只有我们才能看懂的样子就可以了。如果被截获了,我们多路发送过去就行。”

安东尼说:“你要怎么改?可不能改成我们自己人都读不懂的样子。”

沃大维在地上一边画,一边说:“我们可以有一个圆盘,圆盘外面对应一个可以旋转的圆环,圆盘和圆环对应拉丁字母,可以错位对准,比如A对准D,这样也就是B对准E,C对准G等等这样子。我们发信的内容把其中的A改成D,B改成E,C改成G等等这样下去。把信中的明文,改成密文。让信使拿着密文,去传递消息。然后到达目的地后,再返回来把密文改成明文,只要按照那个盘子倒推回来就行。”

安东尼说:“那就得需要军队双方有个相同的盘子,对准的字母也一样才可以。”

沃大维点点头,表示正确。

凯撒说:“这个主意不错,起码能解决当下的问题了。”

凯撒从此以后发送命令就用这种办法。

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