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PDF Layer (Optional Content Group) encryption |
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haagendaz 
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Joined: 07 Sep 07 Location: United States Status: Offline Points: 4 |
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 Topic: PDF Layer (Optional Content Group) encryptionPosted: 17 Sep 07 at 3:59PM |
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Does anyone know if it is possible to encrypt (password protect) 1 layer of a pdf and not the other? Obviously in a single pdf that has 2 layers?
If it is possible can you tell me how to go about doing this? can iSED do this? I have written an application in VB and need to redact (block out) the ssn of documents for all users, EXCEPT the administrator. Any help or ideas is very appreciated! Thanx, haagendaz |
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Ingo
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Joined: 29 Oct 05 Status: Offline Points: 3524 |
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Posted: 17 Sep 07 at 4:35PM |
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Hi!
The password protection works documentwide - No chance for a special layerprotection. I won't do any experiments in this case 'cause surely not all pdf-readers will work with such special things. If you want to insert special notes only for special users you can work with custom fields. Try the functions Set... and GetCustomInformation. Best regards, Ingo |
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haagendaz
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Joined: 07 Sep 07 Location: United States Status: Offline Points: 4 |
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Posted: 15 Oct 07 at 3:42PM |
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Do you know how to make custom information user specific (any code samples)?
ie. The main document is viewable to anyone, but you need a password to view the custom information. |
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Ingo
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Posted: 15 Oct 07 at 4:10PM |
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Hi!
To make it user specific perhaps you can use JavaScript. A field on a form to insert special content... It depends on what's the content and a custom message popup or not... Only thoughts... It should work ;-) Best regards, Ingo |
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haagendaz
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Joined: 07 Sep 07 Location: United States Status: Offline Points: 4 |
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Posted: 16 Oct 07 at 10:52AM |
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I think you are thinking that this is a web page, but it is not. This is client-server software that just utilizes pdf's. Not the web....
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Ingo
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Joined: 29 Oct 05 Status: Offline Points: 3524 |
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Posted: 17 Oct 07 at 1:36AM |
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Hi!
Why are you thinking what i'm thinking of ;-) You can implement JavaScript-actions into pdf with QuickPDF. Best regards, Ingo |
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haagendaz
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Joined: 07 Sep 07 Location: United States Status: Offline Points: 4 |
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Posted: 17 Oct 07 at 11:15AM |
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I'll try that out, Thanx for all your help! :)
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