PDF signature data

Dear Experts,
I have included a Interactive PDF document UI element in a WebDynpro component filling the PDFsource attribute of the UI .
Now when the webdynpro application is executed I could find the PDF document displayed in browser.
When I make changes in the document I couldn't capture the changes done in this PDF source.
Please suggest me a way to capture this changed data.
regards,
Sree

Hi,
Go through the link:
Interactive pdf forms in Webdynpro Java

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Hi, sorry if this post is slightly offtopic.
We are trying to sign and timestamp pdf documents in java (using Apache PDFBox) and we are stuck with a problem for more than a week. The signature itself is good, Adobe Reader can validate it succesfully (after adding our self signed test root certificate to trusted certificates). The problem is with the timestamp. Adobe Reader says that the signature is timestamped, but the timestamp could not be verified. If I look at the Date/Time tab on the Signature Properties window the Timestamp Authority field says Not available. Older versions of Adobe Reader 9 displayed the Show Certificate button for the Timestamp Authority as enabled, and if I clicked it, the Reader crashed. In newer Reader 9 versions and in Reader X the button is disabled. It seems Reader recognises the timestamp but can't extract the TSA certificate.
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Hi,
I had the same problem with the pdf signature timestamp…..
The thing I was doing wrong was the SHA-1 hash sent to the timestamp server, more precisely I was sending the whole signature SHA-1 hash when I suppose to send the SHA-1 hash of the RSA encrypted hash of the digital signature (I think that in your case is the 256 hash starting from 1783).
Hope this helps you,
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Hi Sandra,
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[|http://wiki.sdn.sap.com/wiki/display/Snippets/SmartformtoMailasPDF+attachment]
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hi,
why not try [java barcode|http://www.barcodelib.com/java_barcode/main.html] from [barcodelib.com|http://www.barcodelib.com] , which supports more than 25 linear and 2d barcode types, and java barcode also supports jasper reports and ireport
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NB - the "data" that is returned by these classes is the data as defined in an adobe form - it doesn't return the content of non-form PDF documents.
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Edited by: Chris Paine on Oct 26, 2010 6:04 PM

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Where I can find detailed information on the process of sending data from pdf form stored on the website to the sql database stored on web server ?? Where I can find some samples I could use to build my form and related script(s).
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Hi Paul,
Thank you very much for your quick response. I can not retrieve your
attachments, so please send them by email. Thank you.
What does it mean that DSN has to be set up on each machine which will run
the form ??? Does it mean for each person who will use the form ?? or
rather once on the server where the form is hosted ??? It will be a bit
difficult to use if it will have to be installed on each user computers as
some users may not be happy to do it. If this is the case do you have any
solution you would recommend which will collect the data from the form
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Regards,
Tony Pluta
Graphics Designer
Broadmeadow Road
Broadmeadow NSW 2292
Australia
Direct: +61 2 9492 1277
Facsimile: +61 2 9462 1383
Mobile: +61 403 399 167
[email protected]
www.unitedgroupltd.com
pguerett <[email protected]>
22/04/2009 10:31 PM
Please respond to
[email protected]
To
Tony Pluta <[email protected]>
cc
Subject
submit pdf form data to sql database
If you want the form to contact the DB directly you will have to set up a
DSN on each of the machines that will run the form. Note that this wil
only work on Windows machines. Also the form must be launched for the
script to run (you mentioned the PDF was stored on the web server). I have
some samples that show how to deal with a DB but the attachments do not
seem to be working correctly on the forum yet. If you cannot retrieve them
post your email and I will email them to you directly.
Paul

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When signing a PDF signature field component, results in the following 3 error messages after each other (text correctly shown, spaces and all)
1) The FieldMDP expression for this signautre is invalid
> After clicking on OK on 1), i get the next err message
2) Creation of this signature could not be completed.
Unknown error
Support Information: CSigField-1013
> After clicking on OK on 2), i get the next err message
3)The document could not be signed.
There was an error when attempting to commit this signature. The document was not saved.
The save operation was cancelled.
Any takers?
Thanks in advance for any help

Hi,
Are your documents certified? It is because of certification policies, prevent signing.
Waiting for your pdf files.
Asiye Günaydın
Project Consultant
KGC Consulting Co.
http://www.kgc.com.tr
[email protected]

Converting Signature data into PKCS#7 format

Hi All,
Is there any java api available to convert signature bytes in to PKCS#7 format.
Here is the scenario.
downloaded a trail digital id(abc.pfx) file from verisign site.
then retrieved the private key, certificate and public key information from the pfx file.
with the help of private key and pdf data, digital signature created.
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Signature rsa = Signature.getInstance("MD5withRSA");
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Thanks in Advance.
Subhani.

Use BouncyCastle provider
http://www.bouncycastle.org/docs/mdocs1.4/index.html
The package: org.bouncycastle.cms
Download the package and get the examples in the package org.bouncycastle.cms.test .
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PDF signature data

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