Reset signature field

I'm having a problem with reseting my signature fields. It seemed to work fine in reader X but not XI.
I have a form with multiple signature fields, and each time a signature field is signed then it locks certain fields. Now when I reset these signature fields (via a button), it resets the field itself but does not unlock the fields it originally locked.
Any help with how to unlock these fields as well?

When a field is locked when a signature field is signed, the field is set to read-only. You can can undo this by setting the read-only property of the fields to false:
getField("text1").readonly = false;
You will have to do this for each field. If you use hierarchical naming for the fields so that all of the ones you want to affect have the same prefix (e.g, group1.name, group1.address, etc.), you can set them all with a single statement:
getField("group1").readonly = false;

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Hi, I am using trial version of Adobe Acrobat XI pro. I have converted a Word document to PDF. I have added text fields, Java scripts to automatically add Todays date as default, Form Reset buttons and Signature fields. File is saved as standard save. All of the above is done in Windows 7 environment. On same computer, In Adobe Reader signature fields are visible although I do not have the means to test it. When the same File is emailed and opened on an IPAD using Adobe Reader 11.2, the signature fields are missing. I intend to have my users access the file (and 30 others like this) on an IPAD. Can someone advise how to resolve the missing signature field issue. It appears that Adobe do not help with such issues as it is not considered an installation issue.

Digital signatures are not supported on mobile versions of Adobe Reader. Other PDF viewers like Readdle's PDF Expert treat them like e-signature fields, allowing the user to draw/apply their drawn signature, but this is not the same as a digital signature. Adobe Reader for iOS allows you to add an e-signature, but it doesn't use digital signature fields for this feature. Instead, you tap the screen, choose the annotations icon, and then the signature icon.

Upgraded to Acrobat X and signature field stop working

Upgraded to Acrobat X and IntegriSign signature field stop working. When I open the pdf and click on the signature field I get a "This plug-in is intended for validating signatures signed using earlier versions of Acrobat. To sign using this version of Acrobat, use "IntegriSign for Acrobat 9.0 and later" handler.
Under Perferences in Acrobat, 9.0 and later is checked.
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I tried these steps several times. Kinda long:
Here are the steps to setup ePad signatures with Adobe Acrobat 9 and later:
>
> You will need to create a self signed certificate (id) and have IntegriSign select this to be used with Acrobat. Here are the instructions:
>
> 1. In Adobe Acrobat choose Advanced > Security Settings.
>
> 2. Select Digital IDs on the left, and then click the Add ID button.
>
> 3. Select Create a Self-Signed Digital ID for Use with Acrobat, and click Next.
>
> 4. Specify Windows Certificate Store, to store the digital ID, and click next.
>
> 5. Type your name, email address, and other personal information for your digital ID. When you certify or sign a document, the name appears in the Signatures panel and in the signature field.
>
> If the computer is for public signing, you can replace your name with the name of the PC. It is not practical to have a digital id for every person that signs. IntegriSign will still ask for the signers name and signature.
>
> 6. Go to Windows start => all programs => IntegriSignDesktop => Desktop => Desktop Configuration => Select button (under certificate selection in the lower right of the window). At this time, you should see the digital id you just created.
>
> 7. Choose the certificate you just created, and click the OK button.
>
> 8. Go to Adobe Acrobat ->Edit -> Preferences -> Security, click on the Advanced button and make sure IntegriSign for acrobat 9 and later is selected as the default in the Creation. Also make sure the Verification is set to default method and the method is IntegriSign for Acrobat 9 and later.
>
> If IntegriSign is not an option then go under Edit/Preferences-->General (not Security) find the "Application Startup" checkbox 'Use only certified plug-in' CHECKED. Uncheck the box and repeat the first procedure.
>
> 9. Now, open a PDF file, and perform the signature using ePad, and should be able to sign.

Issue with Signature fields

Dear All,
I have 3 signature fields on a form that I have just completed. Each of this signature locks each section of the form, but whenever one of this signatures are signed, it shows a message that reads, "Atleast one of the signatures is invalid". I then unchecked the locked all fields check boxes of all 3 variables fields that controlled the fields that need to be locked, and the invalid signatures disappeared, however, the three sections need to be locked when each signature is clicked on. And it works fine, but for this message.
Does anyone knows why it is happening? And what's the solution. I need help.
Thanks
Tammy

Hi guys,
Actually I found a way to do it...
You can create a button with the reset form action and then select all the signature fields only.
Otherwise what I did was was added the same action in the signature field, but on the Mouse Down function. What happens is, the author can clear the signature and the other signatures will still be there, BUT when he clicks to resign, then the other signatures get cleared and the document gets saved with only the author signature.
It's not exactly how I wanted it to work but it does the job none the less.
1. Funny how this has been overlooked.
2. Funny how all these members with so many points haven't figured out how to do this

Clearing Signature field

Good morning all. I am trying to get a signature field, "COUNSELING_DATE_INITIAL5", cleared when No is selected. Below is the javascript I have written, but it is not working.
var   question = xfa.host.messageBox("If you have an Entry Card to digitally sign this field,
please select Yes. If not, please select No, complete the form, print, manually signe.\n\n", "Question?", 3,2);
if (question==3){
form1.Page1.COUNSELING_DATE_INITIAL5.access ="readOnly";
form1.Page1.COUNSELING_DATE_INITIAL5.rawValue="";
    xfa.event.reset("form1.Page1.COUNSELING_DATE_INITIAL5");
if (question==2){
    form1.Page1.COUNSELING_DATE_INITIAL5.access ="open";
xfa.host.setFocus("form1.Page1.COUNSELING_DATE_INITIAL6"); }
Please, I need help with the clearing part of the signature script that deals with the signature field.
Thanks
v/r
Tammy

Thanks all, I finally got it to work. I added the following piece of code
xfa.host.resetData("xfa.form.form1.Page1.COUNSELING_DATE_INITIAL5");
in place of
   xfa.event.reset("form1.Page1.COUNSELING_DATE_INITIAL5");
and it works perfectly.

Can I modify a pdf file containing a signature field prior to download?

I have a pdf file I use as a template and in my .net application I fill in a few fields using pdfstamper, iTextsharp, etc. I'm new to this.
That all works.
I also have a signature field in my document.
After I modify the fields, with the person's name, etc., I download it to the client machine, open it in Adobe Reader X, and ask the user to sign the document.
I get an error saying "This document enabled extended features in Adobe Reader. The doc hsa been changed since it was created and the extended features are no longer available......"
Is there a way for me to do what I'm trying to do? I hope this is somewhat clear. It appears that modifying the fields with itextsharp is what's causing the error to occur.

Thank you for the replies.
More specifically, here's what I'm doing. There's a desk where people come to pick up a gift card. When someone picks one up, a clerk runs this .net program, selects the persons name form a dropdown list, I modify a pdf file (using iTextSharp), by adding the person's name, the serial number of the giftcard, etc, download this file to the client desktop, where the person signs using an ePad. Then the clerk saves that pdf file.
The clerk will not be able to go into the menus and remove and/or save Reader Usage Rights. Is there a way through code that I can add Reader Usage Rights after I modify the file. It sounds from your replies that that's what I need to do.
Also, I don't really care about the official "signature", security, certificates, etc. I just want someone to be able to scribble onto the document using a signature pad.
I do have Acrobat Pro X and LiveCycle. (I assume that means I have LCR Extensions.)
Dave

Populating the Signature field of OIM UPA table

The OIM UPA table has a SIGNATURE field which customers can use for storing digital signature of the snapshot (for non-repudiation purposes).
By default - the value of this field is "NULL" in the database.
Did not find any documentation on how this field is populated.
Has any one made use of this non-repudiation feature.
Thanks,
Chetan

If you want this functionality it is actually not that hard to create a scheduled task that populates the signature field using a third party non repudiation provider.
Doing local non repudiation is per definition non useful so you do need a trusted third party (i.e. Guardtime (http://www.guardtime.com/)) that provides the service.
Best regards
/Martin

How to get all signature fields in a .pdf from C#

Does anyone have some sample code that shows how to "iterate" all signatures in a .pdf from C#? Using the SDK and the Javascipt object model I know how to sign a document but I can't figure out how to "get all the signatures". Basically I want to open a .pdf file and then (from C#) find out what persons currently have signed the document. I guess I need to iterate all signature fields and then get the SignatureInfo object, or?
Anyone?
Cheers,
Calle

I am afraid this don't help me. How do I get the "data" back to C#? Looping all fields in in JavaScript is probably "easy" but I simply can't figure out how to get access to the data from C#. Any one have a suggestion on the best approach?
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Adding a signature field takes a lot of time

Case: I have a Microsoft excel sheet that I save as PDF directly from excel. I use Adobe Acrobat X PRO to create 3 signature fields on this PDF to allow document signing in Adobe Reader.
Problem: Adding a signature field in form editing mode are extremly slow. After placing the signature field, Adobe Acrobat stops responding for about 1-3 minutes. I need to do this for a lot of documents, so it's time-consuming to say the least..
Is it possible to speed up this process?

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How do I delete a digital signature field?

I have Adobe Acrobat Pro 9 on Snow Leopard. I created a digital signature for a PDF file but it didn't look good, so I decided to delete it. I figured out how to delete the signature, but the signature field with the little red arrow did not delete with my signature. I want my PDF form to revert to the way it was before I created the signature. I cannot simply close the PDF without saving because I'd lose all the information I've already entered. Stupid me forgot to save before attempting the digital signature.
HOW CAN I DELETE the digital signature field? Help!

Hi SM,
The place to look for permission settings is on the Security tab of the Document Properties dialog. You can get there by selecting the File > Properties menu item and then select the Security tab.
One thing to note is if the file is Reader Enabled you will need to use the File > Save a Copy menu item to create a non-Reader enabled version of the file. You cannot edit a Reader Enabled file. As an aside, the Save a Copy menu item won't be there if the file is not Reader Enabled.
If the file was created using Designer (which is only on Windows and I know you are using a Mac) then it has to be edited in Designer.
If the file was certified, then you need to remove (clear) the certifying signature before you can edit the file, and to do that you must have access to the private key that was used as part of that signature operation.
Finally, if the file is encrypted (e.g. Password Security or Certificate Security), you can edit the file, but you have to get Acrobat to realize you are the document owner which means you need the Permissions password or or logged in using a document owners digital ID (the former is only for Password Security and the latter is only for Certificate Security).
Steve

Is there any way to add a digital signature field at the end of forms?

I am trying to have my patients fill out the mandatory forms online and have them sign it aswell.
any help would be great.

You can easily create a form in FormsCentral that your patients can fill online but FormsCentral doesn't support signature field.
If you must have a signatures then you can have a look at http://echosign.acrobat.com.
You can still use FormsCentral to create a PDF form that you can then use with EchoSign but you won't be able to gather data in FormsCentral.
Gen

How do I create a certificate to remove signature field issues?

I would like to start using digital signatures for some internal documents. We are a small site with about 20 PC users (3 of them Apple).
We can create PDFs with signature fields but every time we sign the document, when somebody needs to sign again (for approval of the first sign), then a constant message "file has been modified since it was signed" and also "at least one signature has problems......"
The way I created the forms is by adding form fields and then "Extend features in Adobe Reader" as only the 3 Apple devices have Professional version of Acrobat.
What is the correct way to do this? I think I need to create a Trusted certificate, of course for the size of our site I don't want to have external solutions, especially because it is for internal purposes only.
Any help would be appreciated.
Thanks.

How the signing certificates that you use for all signatures were procured? Were they created by a reputable Certificate Authority (CA) or are they self-signed certificates that you can create in Acrobat and other apps?
If they are self-signed certificates then you need to explicitly trust each of them on each Acrobat/Reader installation. You can use (Acrobat XI/Reader XI) to do that:
1. Right-click on the signature, select "Show Signature Properties...->Show Signer's certificate".
2. In the left pane shows the signer's certificate. Select it.
3. Select "Trust" tab on top and in this tab "Add to Trusted Certificates". Again for self-signed certificates you need to do that on each Acrobat/Reader installation.
If you got your signing certificates from a Certificate Authority #2 above shows the certificate chain. Select that top-most certificate in the chain and add trust for it as in #3. Chances are that all your certificates were issued by the same CA. In this case you need to add trust to only this one certificate on each Acrobat/Reader installation.
You can use Export/Import Security Settings feature in Acrobat to make this process easier. This feature was discussed at length in several discussions on this forum <Re: Small Business Digital Signature Set-up>. Search for "Export/Import Security Settings" for more info.

How to make signature field work for reader users? Security settings change when doc is extended???

I've been struggling to correct a problem all week and am at my wits end. Customer service was no help as the person I spoke with could barely speak english let alone understand the problem as I explained it to him. Hoping someone here can provide some insight, here's the issue:
I'm using a Windows 7 Professional OS. I created a Microsoft Word doc and used Adobe Acrobat XI Standard to create a form from it. It automatically detected the fields, which includes a signature field. I went through fixed it all up how it needed to be and did "save as other - reader extended pdf - enable forms fill in & save in reader".
The document is a report that will be sent to a small number of people that have to fill it out, digitally sign and return and I'm assuming that most if not all of them will open the document using the free Adobe Reader. So I thought extending it is what I needed to do to make sure they could fill it out, save it to their computer if need be, and also sign digitally. The signature field was automatically added in by acrobat for me and I did not change the properties of it at all except to add a border.
When I open the form in Reader (also XI) I can fill out all the fields, save it... but not sign it. The security settings say signing is not allowed even though I went back to the original pdf form and the security settings on it say allowed for everything. I don't know how to fix this... please help!!!
I've attached some screen shots but can include more if needed...

I don't have the Enable More Tools option under Reader Extended PDF. I just tried to download the XI Pro trial version and it won't complete installation because of the standard version I already have. Any advice or workarounds you know of? Going to the boss for $$ to upgrade to Pro is what I'll consider my last resort if the issue is truly that I have to use Pro to enable more tools for reader.... I appreciate your reply though. I sat here all day yesterday fingers crossed that SOMEONE would give it a go!

How do I resolve: Field Selection dialog [Pick... button] in "Mark as read-only" section of Signed tab for Digital Signature field is not working

I am using Acrobat Pro X on Windows 7 Enterprise x64 to create a form. When I have a simple form with a few fields, I am able to use the "Pick..." button to select the fields I want to select, but in a more complex form (20 fields with 3 Signature fields) The Field Selection dialog does not work. I can make the selections, but they are not saved. Removing fields does not resolve issue. IF I start with a blank form and add a few fields, the dialog will work, but after adding more, it quits working. Reader XI is also installed.

And that is why many responders use only the custom JavaScript calculation option.
The UI for the select fields and simplified field nations are only a way to pass field names to a JavaScript function that performs the actual calculation. Sometimes these functions call other functions and pass the parameters can lead to errors in the attempted code.
I would start to learn code JavaScript for Acrobat.
The pick field dialog is for performing calculations involving sums, products, averages, minimum, and maximum. I am not sure how that would work with a digital signature. Once a signature is applied the form fields could be locked.

Adobe Acrobat Version 9.0 & X are not showing "Clear Signature Field" with Custom e-sign plug-in

Hi...
We have created Custom PDF signature plug-in using Adobe X SDK.
Earlier we had the same Custom PDF signature plug-in with Adobe 7.0 SDK and it used to show "Clear Signature Field" in context menu of digital signature placed on PDF.
After upgrading the Custom signature plug-in to Adobe X SDK (complied again with SDK X, earlier it used to be 5.0 SDK) to support Acrobat 9, X and XI for digital signature, the "Clear Signature Field" option is appearing in context menu of digital signature box. Even the "Clear Signature Field" option is not shown for the user who has signed the document.
"Clear Signature" option is available for Adobe Default Security signature.
We have not changed anything in our plug-in code apart from recompiling it with Adobe X SDK.
This is a critical issue for us.
Here is the screen-shot from signed PDF having Adobe Default signature as well as our Custom plug-in signature.
Here it clearly shows that "Clear Signature" option is not present in signature placed by Custom plug-in.
Please let us know if anyone else has faced this type of issue earlier and has a resolution.
Thanks In Advance...
Waseem

I am still not getting the Clear signature option for the user who has signed the PDF using Custom PDF Signature plug-in but the same is available for Acrobat Default security signature.
Custom plug-in is compliled with Adobe X SDK and we have not made any code change to hide the Clear Signature option.
I found a related posts where Clear Signature option is not shown:
http://forums.adobe.com/message/5092195

Reset signature field

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