Scramble password a little bit

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From: count (no_at_spam.please)
Date: 07/09/04 

Date: Sat, 10 Jul 2004 01:54:05 +0200

Hi,
I will have to store permitted usernames and passwords in a file - for
validation routine in VBA.
I think that users might discover that file so I plan to scramble passwords
a little bit.
I was thinking of:
1. store passwords in numeric form, converting each char to 3-digit number
(ASCII multiplied by 13?... 17? subtract 29 on odd positions?)
2. introducing a few dummy chars - so I can detect manipulation e.g. when
they clear pass field completely

Has anyone got better=simpler idea, possibly with a code that does it?
Help greatly appreciated because the project is late <g>
Regards,
Paul

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