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Le 30 avr. 04, � 23:34, David Lindblad a �crit :
Nothing is 100% secure. I remember reading that having a password to lock out functionality and one to open the document is the best way to secure against "available software". One such product even states that if both are set it cannot bypass the security. Making passwords long and complicated (including random numbers characters punctuation etc) will also make it much harder to access.
I totally agree, it's the cheapest and fastest way to protect your PDFs against... (let's say) 90% (to complete Leonard's post ;-) of dishonest users.
Also see :
http://www.planetpdf.com/mainpage.asp?webpageid=1981
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