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Cake day: June 16th, 2023

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  • Not necessarily. Presumably the change password form requires entering the old and new password at the same time. Then they can compare the two as plain text and hash the old password to make sure it matches, then if so, hash the new password and overwrite it. Passwords stored hashed, comparison only during the change process. A theme on this is checking password complexity rules during the login process and advising to update to something more secure. It’s possible because you’re sending the password as plain text (hopefully over a secure connection), so it can be analysed before computing the hash. This even works if the hash is salt and peppered.