Security

Breaking the M-209 – Schneier on Security

Breaking the M-209

Interesting paper about a German cryptanalysis machine that helped break the US M-209 mechanical ciphering machine.

The paper contains a good description of how the M-209 works.

Posted on June 25, 2024 at 7:02 AM •
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Sidebar photo of Bruce Schneier by Joe MacInnis.

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