The QDC Security Lab is designed to teach the fundamentals of modern cryptography by demonstrating how algorithms evolve to fix structural weaknesses. Users can experiment with three generations of the QDC cipher, hide data using steganography, and analyze security metrics like the Avalanche Effect and Frequency Analysis.
Approximate Angles of any vector using it's quadrant and a radial slice index. Useful for rotation invariant indexing of a dynamic stream of x/y points. For instance, in creating pooled rotation-scale-translation invariant histograms.
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