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I just had to make a password for a hotel.
8 to 20 characters Uppercase Lowercase Digits OR special characters.
The capitalized OR is important. You can have either numbers in the password, or special characters, BUT NOT BOTH.
Took me 8 tries.
- First one was too long.
- Second and third used both numbers and characters, but I thought the characters were TOO special.
- 4 through 6 used both numbers and special characters.
- Seventh password used just letters and numbers, and it was accepted.
- Eighth try I used just letters and keyboard characters, and that was accepted too.
The best part to me is that they include all of these rules to increase the security, but then set a maximum length of the password, which from my understanding is the easiest way to add complexity/security to a password.
Maximum length is the biggest red flag to me and was the catalyst for me making the effort to switch to unique passwords per-account years ago. There's just so, so many shitty homerolled security systems out there... and data breaches seem to be a perennial problem these days.
There's just no excuse for limiting the length if you're doing security correctly (other than perhaps a large upper limit just to protect against someone DOSing the backend with a bunch of 100MB strings; 512 characters seems reasonable).
By setting an upper limit, you're basically saying one or more of these things:
- We store your password in plaintext
- We store a hash but our hashing function has an unnecessarily arbitrarily limited input size
- The person/team implementing the backend has no idea what they're doing and/or just copy pasted login code from stack overflow
- We tried to get away with minimal password requirements but some middle manager wouldn't rubber stamp it without
arbitrary_list_of_bs
My senior project for uni was replacing the professor's friend's website. We had a meeting to gather requirements, have him demo the site as different kinds of users, etc. Dude said "Hold on a sec" and went to a page with all accounts and their passwords listed. Was like, dude, the hell