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| A new study group devoted to Cryptography begins next Monday! I will be leading this group daily, Monday to Friday, over the next three weeks, until February 18. The curriculum follows the upcoming Wolfram U course "[Introduction to... |
| &[Wolfram Notebook][1] [1]: https://www.wolframcloud.com/obj/fb93e6bf-2050-47d3-a3f8-e310739abf45 |
| ## 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 :) ... |