Ancestors

Toot

Written by nolen on 2024-12-06 at 17:58

how do you all remember every UUID? I find it really hard. so I wrote them all down over at everyuuid.com

the list has fast search across all 2^122 values (so you can find your favorites) - hoping to add some social features like "trending UUIDs" soon!

(writeup on this over on my blog: https://eieio.games/blog/writing-down-every-uuid/)

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Descendants

Written by emily, blinkenlight witch on 2024-12-06 at 18:11

@eieio resisting the urge to go register oneuuid.com

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Written by nolen on 2024-12-06 at 18:17

@emily lmaoooo

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Written by bdf2121cc3334b35b6ecda66e471 on 2024-12-06 at 18:47

@eieio This was made for me

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Written by INIT_6 on 2024-12-06 at 21:19

@eieio

Which UUID is your favorite?

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Written by Hidden Dragon ☑️ on 2024-12-06 at 21:19

this seems cool!

@adulau, seems useless but only on a first glance :D

I think that in some of detection and security work similar uuids are used.

But this is just a uuid checker for all possible existing uuid which can be composed. Nothing else. It's a list.

You may know some of the patterns in some string and to find it in such list but if the uuids are related to some data of course.

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Written by Alexandre Dulaunoy on 2024-12-06 at 22:35

@verbrecher It’s really cool. UUIDs are used everywhere in security tools. We even did a directory for resolving UUIDs and find out from where the UUID is used. https://cycat.org/

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Written by Adam Katz on 2024-12-06 at 21:56

@eieio You might want some kind of documentation for idiots who find this and think it's related to their data, e.g. following a breach.

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Written by Code of Amor 💘 on 2024-12-06 at 21:58

@eieio @catsalad Kinda handy for picking out vanity UUIDs but then that would make them more sought after and no longer Unique. Fun though.

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Written by Tim on 2024-12-06 at 22:19

Can we possibly have this as an Anki deck download? It would really help with my memorization efforts.

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Written by nolen on 2024-12-07 at 00:21

@timchi ah good idea, I'll look into that!

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Written by 💬 on 2024-12-07 at 00:34

@eieio @xssfox inspired by a question from SO many years ago, my take on the same underlying problem https://github.com/rfc6919/uuid-enumerate

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Written by Richard Eriksson on 2024-12-07 at 00:48

@eieio Great. My banking PIN is a UUID, and seeing it in that list makes me reconsider. Should I use a MVUID (metaversally unique identifier) instead?

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Written by nolen on 2024-12-07 at 03:52

@sillygwailo Ah bummer, if you post all your passwords I can make sure they get redacted!

but yeah, maybe now that we've got this list folks should consider MVUIDs, at least until the UUID spec makes sure to reserve some UUIDs for personal use

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Written by Nazo on 2024-12-07 at 05:30

@eieio Rofl, what is even the sorting? By hash or something?

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Written by nolen on 2024-12-07 at 05:41

@nazokiyoubinbou I go into detail on my blog (https://eieio.games/blog/writing-down-every-uuid/)!

but the tl;dr is that I run it through a reversible cypher, which adds a lot of entropy, but is reversible (which ensures that I generate each UUID exactly once and makes search work)

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Written by Matt Armitage on 2024-12-07 at 14:42

@eieio This is the best list of IDs that you can almost guarantee will no longer be UU if you use them 😀

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Written by VK2TTY he/him on 2024-12-11 at 22:55

@eieio 👋 for transforming sequential integers into into random-looking non-repeating integers the modulo multiplicative inverse could prove useful https://en.wikipedia.org/wiki/Modular_multiplicative_inverse not as fun as your cipher but

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