We redesigned MysteryTwister, enjoy! Feedback

 Explore Challenges

PX-1000 Encryption – Part 1 Level 2

by Jörg Drobick, published on 6/10/2024

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?