电报纸条
In contrast the Colossi operated on single pulses which represented the logical 'yes' or 'no' of holes in telegraph tape.
而巨人机采用的是单脉冲,用纸带上的孔来表示逻辑上的“是”或“非”。
If the key were truly 'random', or without any discernible pattern, such a speech cipher system would be as secure as the Vernam one-time cipher for telegraph tape, and on exactly the same argument.
只要密钥是随机的,或者说没有能被识别的规律,那么这套语音加密系统就会像维尔南一次性密码一样安全。
The problem involved logical circuits such as appeared in the Colossus, albeit on a much more modest scale, using electronic switching for Boolean operations applied to the holes of telegraph tape.
这就涉及到类似巨人机的逻辑电路,但是规模很小,通过电子开关执行布尔操作,然后输出为打孔纸带。
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