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Is there any source that visualizes how SHA-2 works (including internals) with animated video or an interactive web page?

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This shows an animation of the steps involved in computing a SHA2 hash.

https://youtu.be/FZeLKrQTZtE?t=84

I can't find a diagram of message expansion, but this shows a diagram of one round (SHA256 has 64 rounds):

https://en.wikipedia.org/wiki/SHA-2#/media/File:SHA-2.svg

  • Yes, it shows the numbers involved and how they changed. But I was looking for something more visual. Representing the changes in the placement of each word after each step, functions involved in each step, ... . – mahdix Sep 5 '17 at 8:07
  • @mahdix Does the edit help? – Nick ODell Sep 5 '17 at 14:12

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