NOBODY can solve this - Generating random numbers on an ATmega328p

Creating random numbers is easy right? Just call the rand() function... but how does that actually work? With so much of modern security and cryptography relying on these random numbers, it's important that the numbers actually are random. Find out how these numbers are randomly created.

-- Links --
My Website: https://sinelab.net
ENT: https://www.fourmilab.ch/random/
AVR Crypto Library (SHA-256): https://github.com/cantora/avr-crypto-lib
LCG Algorithm: https://en.wikipedia.org/wiki/Linear_congruential_generator
Microcontroller Code: https://sinelab.net/code/RNG/main.c
PC LCG Code: https://sinelab.net/code/RNG/LCG.c
--