How to detect hashed password length?
I've started learning of password hashing. And I wonder how to detect
hashed password length? Right now I'm experimenting with sha512 and one of
the question is how to get user typed password length? Or is it impossible
and I should validate user typed password length (e.g. if it is more than
8 characters) with javascript before sending a password to server? Could
anybody explain me or suggest some learning material?
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