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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[–] AzzyDev@beehaw.org 2 points 1 year ago (2 children)

What about Argon2id? What are the advantages of bcrypt?

[–] uniqueid198x@lemmy.dbzer0.com 1 points 1 year ago (1 children)

I don't really know the strong points of either, I'm not a cryptographer. Bcrypt gets recommended because its relatively fast, its decent, and most importantly its already in most environments

[–] frezik@midwest.social 2 points 1 year ago

Bcrypt is slow on purpose; all these methods are. More importantly, though, bcrypt is very well studied. Scrypt and argon2 had to catch up, but should be fine at this point.

[–] dog@suppo.fi 1 points 1 year ago

Argon2 is the best (secure) crypto currently.

That said, adoption is slow, Bitwarden only recently implemented it for example.

That said, due to Argon2 being security-oriented, the recommended settings for it are pretty heavy.