this post was submitted on 09 Oct 2025
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I believe that was Lorenz, not enigma. The higher level code. Basically Hitler and his generals only.
An operator missed a letter in a message. He then reset the machine and re-encrypted it. 2 almost identical messages like that were enough to figure out how the encryption operated. They didn't see a physical Lorenz machine till after the war.
Read that the guy cracking it had like a mental breakdown because it was so complicated.
The sheer pressure. It should be a crack too small to prise open. However, if you do, all of Hitler's personal messages are up for the reading.