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PX-1000 Encryption – Part 1 Level 2
by Jörg Drobick, published on 2024-06-10
During the Cold War, anyone could encrypt relatively securely with the PX-1000. To prevent this, the NSA added a backdoor in the successor model PX-1000cr. However, even the supposedly secure original version has weaknesses. Can you break the PX-1000?