In the history of cryptography, the Enigma was a portable cipher machine used to encrypt and decrypt secret messages.

在密码学的历史上，谜是一轻便的密码机可将秘密通讯电文加密和解密。

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The quest for the true claimant drove people mad. Here are secrets and codes, an elaborate cipher-breaking machine, an obsession with graves and crazy adventures to find lost manuscripts.

人们疯狂地寻找真正的原作者，他们刨根寻底，用精密的解码器解读那些神秘代码，或挖掘坟墓或铤而走险，不放过一点遗失手稿的蛛丝马迹。

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Here are secrets and codes, an elaborate cipher-breaking machine, an obsession with graves and crazy adventures to find lost manuscripts.

ECONOMIST: The man and his pen

With the advent of the first electrical cipher, the German Enigma machine in 1918, cryptanalysis changed its fundamental character.

FORBES: I've got a secret