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My understanding is that secured PDFs allow read only, but prevent someone from copying information. I know other crawlers, such as Spiderline, do not support secured PDFs. I'm assuming Google does not support them, but I want to double-check.
If so, please check if it's linked from a page that's in Google and see if it's cached (if it's not then see if the URL is in Google) and report back.
Options:
Do not allow printing
Do not allow open
Do not allow modify.
Those are all in Acrobat itself.
There is also the ebook security mechanism and about 100 aftermarket security and encryption programs to secure pdf files.
An easy method to test would be to make five files, each with different security features. Put a unique word in each file.
Install the pdf ifilter for MS Indexing Server and put the files in a folder indexing server has access to.
Initiate a full scan and wait a while, then search on your text.
I will do this a little later today and post the results for you here.
I can pretty safely guess that it will not though, as the ifilter.dll does not have a mechanism to decrypt pages. and most assuredly anything Google uses would be based on that.
One guy found a way around the Adobe Ebook encryption, he stood trial for violating the Digital Millenium Copyright something or other so i would not thing Google would enable a view as html feature for them!
Todd
