Not true. If you have the new password, and old salt and hash, you could change a few things in the new password (common things, like increment or decrement a n

Not true. If you have the new password, and old salt and hash, you could change a few things in the new password (common things, like increment or decrement a number if there is on the end), and hash it with the old salt. All this would be done when updating the old password.