Hi all,

I don't adequately understand the relationship between the permissions 
defined by iTextSharp and the related permissions you see when you look 
a document's properties' Security. It appears that some permissions 
depend upon others, or are overruled by others. To illustrate, open a 
PDF file and hit control-D and select the "Security" pane. You'll see a 
"Document Restrictions Summary" consisting of 9 items from "Printing" to 
"Creation of Template Pages." Moreover, if you click the button "Change 
Settings," you'll see another dialog to set open and modify passwords, 
and there are additional security settings here. This is what my boss 
looks at.

Meanwhile, I'm running iTextSharp, and I see PdfWriter.AllowAssembly 
through PdfWriter.AllowScreenReaders that I OR together for use in 
conjunction with the Writer's SetEncryption() method. And when I read 
back the PDF file, I get the reader.Permissions, just fine. This is what 
I look at.

Trouble is that I don't adequately understand the relationship between 
the bits of the Permissions flag, and those document restrictions I see 
summarized by Adobe Acrobat as document properties. I figure I have to 
document this relationship for my boss, or point to someplace else where 
it is defined. Is this documented in the PDF Reference v1.6? If so, is 
there any clearer statement than the table on page 99-100? Am I barking 
up the right tree?

I'm sorry if this is a "how deep is blue" question,

steve

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