New answers tagged unicode
If you treat 2 and ² as the same character, you're essentially removing one character from the character set. That isn't really so bad if it increases usability, especially if that encourages longer passwords. Say you take a 8-character password, with a drawn randomly from a set of 2000 characters. That gives log₂(2000⁸) ≈ 88 bits of entropy. If you had a ...
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