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PDF Time Bomb

Experts,

Is there a way to cause a PDF file to "expire" after 30 days?  I need to make the content, or file locked or otherwise useless after 30 days of creation.


Many thanks in advance,

M
0
Marv1n
Asked:
Marv1n
2 Solutions
 
John_ArifinCommented:
Adobe used to have the Document Center that manage this thing, but it will no longer available.
See: http://acrobatusers.com/forum/security/opening-adobe-document-center-protected-files
Anyway we can use the third party software such as SecureShare
http://www.softpedia.com/downloadTag/PDF+expiration+date.
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aikimarkCommented:
I can think of a few ways

* You provide the viewer through a browser interface
* You link the PDF to its own reader
example: http://www.copysafe.net/copysafe_pdf.asp
* You add Javascript code into the PDF (note that most folks have Javascript disabled due to malware)

Note:  Most any protection you can think of can be circumvented if the PDF document is physically in the hands of someone else.  Sometimes the circumvention is as simple as changing their system date prior to opening the PDF document.

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As John mentioned, there are third-party solutions
http://www.locklizard.com/digital_rights_management_products.htm?gclid=COy4p4G5-6sCFU5ntgodwSFYUA

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What is the context for the expiration?
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