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Digital Signature green check mark.

Forum Index > Security > Digital Signature green check mark.
2007-06-13 10:26:25
charlieachds
Registered: Jun 13 2007
Posts: 2

In Adobe Acrobat 7 Standard, we are trying to use digital signatures, we have a signature plug in from our software manufacturer and the signature itself works fine, but when we validate the signature the icon changes to a green check mark with an ! next to it. If you mouse over this check mark it says the signature is valid. What steps can we take to stop the ! from showing up?

My Product Information:
Acrobat Standard 7.0.0, Windows
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2007-07-31 11:23:21
#1
lkassuba
ExpertTeam
Registered: Jun 28 2007
Posts: 3636
Hi charlieachds,

The green check mark within a PDF that has a valid signature indicates that the document has been changed since it was signed. This can be very important information depending on the intent of your document. To eliminate this from happening you can set the document security to just allowing sigining the document.
In Acrobat 7 you can hide the validity icon when the signature is valid by changing your preferences. Edit --> Preferences --> Security --> Advanced Preferences. At the bottom of this popup menu you'll see a check box for this option.Hope this helps,
Lori

Lori Kassuba is an AUC Expert and Community Manager for AcrobatUsers.com.

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2007-08-21 01:32:40
#2
lauchman
Registered: Aug 20 2007
Posts: 7
Simple processes initiated after the change event on a sig field can trip the 'document modified' flag -- things such as changing a presence field from visible to invisible or setting a field as ReadOnly. If you're using javascript, there's a great example file on the firing order of sig events located here:
http://partners.adobe.com/public/developer/en/livecycle/designer/pdfs/SignatureFieldEvents.pdf

It demonstrates that the mouseDown event is the only event firing before a sig is placed. If you need to perform any field locking, presence mods, etc, do so on the mouseDown event.
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2007-08-21 01:34:36
#3
lauchman
Registered: Aug 20 2007
Posts: 7
The link to the example didn't work. Here's another try. Paste this string as ONE LINE in your client:

http://partners.adobe.com/public/developer/en/
livecycle/designer/pdfs/SignatureFieldEvents.pdf
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2007-09-06 09:29:04
#4
cesposito
Registered: Sep 6 2007
Posts: 2
Is there any way to get rid of the green checkmark in acrobat 5.0?
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