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Password length requirement (feddit.org)

submitted 3 months ago* (last edited 3 months ago) by [email protected] to c/[email protected]

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Last week, I tried to register for a service and was really surprised by a password limit of 16 characters. Why on earth yould you impose such strict limits? Never heard of correct horse battery staple?

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[–] [email protected] 9 points 3 months ago (1 children)

bcrypt has a maximum password length of 56 to 72 bytes and while it's not today's preferred algo for new stuff, it's still completely fine and widely used.

[–] [email protected] 2 points 3 months ago

Wait, really? I always thought bcrypt was just a general-purpose hash algorithm, never realized that it had an upper data size limit like that.