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&[Wolfram Notebook][1] [1]: https://www.wolframcloud.com/obj/9f0a5cd2-652b-456f-acdb-f836fc5e7b0b [Original]: https://www.wolframcloud.com/obj/a53ce4cb-6c5f-4125-b4ab-3c4de46d9920
## Description ## Block cipher “Kuznyechik” (Grasshopper) is defined in the National Standard of the Russian Federation [GOST R 34.12-2015][1] (effective date 01.01.2016). It has 128 bit block and 256 bit key. This code builds upper bound estimates...
Life is stressful. Seems unbelievable, but *Mathematica* can help us relax after just a few lines of code. This quite simple piece of code generates animated [mandala-like][1] pictures that will calm you down. At least, this works for me :) ...