this post was submitted on 16 Jan 2025
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[–] ace_garp@lemmy.world 18 points 1 day ago* (last edited 1 day ago) (2 children)

Devinettes app has about 3 or 4 riddles that I haven't been able to crack in 8 years.

https://f-droid.org/en/packages/com.workingagenda.devinettes/

It gives no answers or hints, just reports 'correct' if you type the right answer in.

[–] davidgro@lemmy.world 7 points 1 day ago (1 children)

I think if I tried that, it would only be a day or two before I went digging into the source code.

[–] ChaoticNeutralCzech@feddit.org 5 points 1 day ago (2 children)
[–] davidgro@lemmy.world 1 points 13 hours ago (1 children)
[–] ChaoticNeutralCzech@feddit.org 1 points 11 hours ago* (last edited 11 hours ago) (1 children)

I think you're better off with a literal dictionary attack. Knock yourself out: https://github.com/fenimore/devinettes-android/blob/master/app/src/main/java/com/workingagenda/devinettes/RiddleCollection.java It's just SHA-1 of the UTF-8 representation of the answer.

Note that the riddles, unlike the software, are under CC-BY-NC-ND.

[–] davidgro@lemmy.world 1 points 9 hours ago

Interesting. Looks like it can accept multiple variations on each answer. I was wondering about that

I'm not actually going to do it, but I like the system design

[–] groet@infosec.pub 2 points 1 day ago

So due to the nature of it beeing riddles it is quite possible the answer is bugged and the hash wrong. But because nobody "knows" they have the solution nobody can say it is a bug.

[–] FourPacketsOfPeanuts@lemmy.world 1 points 23 hours ago

"failed to install due to unknown error" :(

Do you feel like posting the riddles here?