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。
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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