this post was submitted on 23 Aug 2023
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Programming

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A question about passwords | characters used in them (programming.dev)
submitted 1 year ago* (last edited 1 year ago) by FinancesDrone98@programming.dev to c/programming@programming.dev
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Why do so many companies and people say that your password has to be so long and complicated, just to have restrictions?

I am in the process of changing some passwords (I have peen pwnd and it’s the password I use for use-less-er sites) and suddenly they say “password may contain a maximum of 15 characters“… I mean, 15 is long but it’s nothing for a password manager.

And then there’s the problem with special characters like äàáâæãåā ñ ī o ė ß ÿ ç just to name a few, or some even won’t let you type a [space] in them. Why is that? Is it bad programming? Or just a symptom of copy-pasta?

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[–] foo@withachanceof.com 73 points 1 year ago (16 children)

Is it bad programming?

With very few exceptions, yes. There should be no restrictions on characters used/length of password (within reason) if you're storing passwords correctly.

[–] Aurenkin@sh.itjust.works 21 points 1 year ago* (last edited 1 year ago) (11 children)

A very high max of something like 500 characters just to make sure you don't get DOSed by folks hitting your endpoint with huge packets of data is about the most I would expect in terms of length restrictions. I'm not a security expert or anything though.

[–] eu8@lemmy.world 4 points 1 year ago

The best way to handle passwords IMO, is to have the browser compute a quick hash of the password, and then the server compute the hash of that. That way the "password" that is being sent to the server is always the same length.

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