Slightly offtopic, but I always laughed at these types of animations in hacker movies. Until one day I made a tool to extract strings (mostly passwords or hashes, purely for academic purposes!) through SQL injections in SQL Server when the error message did not return anything useful. I scanned each character bit by bit and depending on the value, I would either return control immediately or delay the response by a couple of hundred ms. That allowed me to reconstruct the string bit by bit, and as new information was acquired for each character - it would change on the screen. It looked exactly like some of these hacker movie scenes... =)

That little animation was put there by the guy who hired me. We got rid of it in the Password Recovery ToolKit that combined all the modules I'd written into a single tool. In that one, we had a big list of any encrypted files we found and their passwords. With enough modules, it was entertaining enough to watch the list grow. And it was very satisfying when the user reused a password on something trivial to crack that let us open a Word 97 file.

That's an incredibly cynical take.

Right? Jesus...

The animated show isn't useful. This article is useful because it actually reveals information about the author.

Also even if you're not interested in the author, it has useful information about cryptography, cryptanalysis, and optimization.

the animated show is useful, it is part of the UX and it can be focal in communicating the intention and expectation behind the software.

it is not part of the main business logic but neither are well designed icons.

That animation was 20 years ago. The author probably has different priorities now?