And cryptographically, things like disk seek times and CPU temperatures are bad sources of entropy, as a malicious attackers can manipulate those. Depending on the design of the system, mouse/keyboard input can be bad too.
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Originally posted by Kuciwalker
And cryptographically, things like disk seek times and CPU temperatures are bad sources of entropy, as a malicious attackers can manipulate those. Depending on the design of the system, mouse/keyboard input can be bad too.
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Any one who considers arithmetical methods of producing random digits is, of course, in a state of sin. -- John von Neumann.This is Shireroth, and Giant Squid will brutally murder me if I ever remove this link from my signature | In the end it won't be love that saves us, it will be mathematics | So many people have this concept of God the Avenger. I see God as the ultimate sense of humor -- SlowwHand
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The Mandelbrot set is a set of complex numbers that share a common property. The property is that under a certain iteration the number never goes off to infinity. Specifically, if you take a complex number c(0) and say c(1) = f(c(0)), and in general c(i) = f(c(i-1)), no c(i) ever leaves a radius 2 circle from the center. (This is for a specific function f.) The black areas of the Mandelbrot fractal are the numbers in the set, and the rest of it is colored according to how many iterations it takes to leave the circle.
The Collatz conjecture relates to another iterated function, which Lul Thyme posted. As he said, the (unproven) conjecture is that any number will eventually reach 1. There's an equivalent function and conjecture for the complex numbers, and the fractal from wiki is generated similarly to the Mandelbrot fractal.
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