In July 1939, when the French military discovered the possibility of breaking Enigma thanks to revelations from the Polish Cipher Service, it came as a complete surprise. Although the French secret...

中文翻译：

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法国军事密码分析为何未能破解恩尼格玛密码

1939 年 7 月，当法国军方根据波兰密码局的披露发现破解恩尼格玛密码的可能性时，完全出乎意料。虽然法国的秘密...