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发帖数: 5 | 1 From http://www.ozemail.com.au/~geoffk/pdfencrypt/
Encrypted PDFs
When you give a PDF document an owner password, Adobe Acrobat encrypts
it so that you can't just remove the password from the file. This web
page provides the modifications necessary to view encrypted PDFs with
GhostScript.
It used to be that source code like this was not permitted to be
exported from the US. Happily, the regulations have now changed, and the
code is unrestricted in most countries.
GhostScript versions 4.02 and la |
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