Looking for suggestions:
I want to protect access to an application via a password. I
want the password to automatically change daily. I want the
application to be able to determine today's password without
having to read it from an external source (i.e.,
algorithmically/programmatically derived). <<SNIP>>
The "automatic daily change" requirement means the password
generation/validation is tied to the date but obviously simple
encryption linked to the date will not be very secure nor will
each daily password be sufficiently different from the previous
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