An Enigma Machine combined with a Rubik's Cube makes an encryption device with unprecedented power.
I have made several posts recently about various cubes, including the Rubik's Cube.
In 2015, MathWorks' Matt Brauer and several of his colleagues created a MATLAB simulator of the Enigma Machine -- the World War II German encryption device. See this video of a talk by Seth Popinchalk at a MathWorks company meeting.
Code for the simulator is available at the MATLAB Central File Exchange. Here is the simulator keyboard.
Here is a complete Enigma machine in a museum.
Image credit: Alessandro Nassiri - Museo della Scienza e della Tecnologia.
I am in the process of combining the Enigma and Rubiks simulators into a single interconnected device -- the Enigma Qube. The Enigma Cube will be an encryption machine that is more powerful than any other device I am aware of.
The Enigma keyboard generates Rubiks rotations from a modification of Singmaster's alphabet -- F, M, R, T, E, D, F, A, B.
The Enigma rotors are synchronized with Rubiks rotations about the x-axis.
And, the Enigma plugboard will be replaced by connections through the interior of the Rubiks cube. This inner network changes with each Rubiks movement.
The dimension of the state spaces of the Enigma machine and the Rubiks cube are each about 10^20, so a single Enigma Cube will have roughly 10^40 degrees of freedom. This is comparable with today's number-theoretic encryption algorithms. However, the Enigma Cube technology is not threatened by the quantum algorithms that cloud the future of the other modern schemes.
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