Cancel Digital Signatures

Hi All,
Will u please let me know the cancellation procedure using digital signatures in detail?
I have proper config setup for approval of documents using digital signatures. Does cancellation too require any special config setup?
Also, I read that the comments section in digital signature pop up does not get saved at all.
Now, If i want to capture the reason for cancellation in workflow - how do i go about doing it ?
Regards,
Venkat
[email protected]

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Digital Signature :- Changing contents in Original and revoking Diital Sign

Hi
We have a requirement as follows
1) There are 4 approval levels for a status A2 (Approval 2)
2) Levels are S1, S2, S3, S4 where S4 is the Program Director who finally releases the status
3) Initially S1 wud approve, then S2, then S3 and so on. Finally S4 would sign digitally ( after signatures from S1, S2 and S3 ) to complete the Digital Signature process.
4) I have created release strategies and everything is working fine.
5) Now consider this
a) Approver S3 found that the Document needs to be changed, he want to edit the document and sign it.
But since we are using Digital Signature , the status is locked and orginal cannot be edited. How can we do this then..
b) Approver S3 want to cancel the Digital Signature process and return to old status A1.
Here I tried to cancel the "Signature process" but old signatures of S1 , S2 was not canceled and the Document status was not reverted to A1 (old Status). Only thing happened was that the process was terminated and again when I open the DIR its asking signature from S3 only ( it should ask from S1 and S2 ideally, I believe)
Please guide.
Regards
Aby
Edited by: Aby Thomas on Nov 30, 2008 8:29 AM

Aby,
You are actually trying to find a technical solution for a business process issue. I suggest that you first set the business processes right, before trying to resolve it technically.
Once you have decided that S4 will finally sign off using a digital signature, if somebody further down in the loop wants to change the document, definitely it should lead to the creation of a new version of the same document and it should follow the same S1,S2,S3,S4 route.
Hope this clarifies,
Sojan

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To fulfill the FDA requirement we have apply the logic to make sure that a digital signature is captured for status changes during task processing.
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Need help with Digital Signatures Please

HI Folks,
This is probably a really ignorant question but.....I have
users who download packaged files to run on their own PC. Have run
into the problem of the security warning - Publisher could not be
verified....and providing the choice to run, or cancel the file.
Suggestions?

keithgcampbell wrote:
> HI Folks,
>
> This is probably a really ignorant question but.....I
have users who download
> packaged files to run on their own PC. Have run into the
problem of the
> security warning - Publisher could not be
verified....and providing the choice
> to run, or cancel the file. Suggestions?
>
On your web page warn users that this happens or buy a
digital signature
and sign your files?
Andrew Poulos

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1) Revocation Checking : i read that the certifications will be checked(to see whether it has been cancelled) by checking the CRLs list. Where can i find this list?
2) What is the concept behind Long Term Validity in Digital Signatures ES.
Please help me in understanding Digital Signatures ES.

Revocation Checking : i read that the certifications will be checked(to see whether it has been cancelled) by checking the CRLs list. Where can i find this list?
ANSWER: The CRL typically resides on a server somewhere, and is accessible with an http URL. The URL is specified within the digital certificate itself. From an Acrobat point of view, when a CRL is acceesed during a revocation check, it may be cached on the client side. The cached CRLs are stored at:
C:\Documents and Settings\enteruserproflehere\Application Data\Adobe\Acrobat\9.0\Security\CRLCache
What is the concept behind Long Term Validity in Digital Signatures ES.
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Hi!
When I try to validate a digital signature in Adobe Acrobat, I get two different responses, given the path I choose to validate the signature.
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Which Acrobat version, which OS? Could you, provide screen shots indicating where do you see discrepancy?
Also, please do the following.
1. Close and reopen Acrobat. Open your PDF. Look at the Signatures pane and record info in it. Then click on the signature. When you click on the signature it revalidates it and then offers you to open :Signature Properties" dialog. If you cancel this offer and look a the Signatures pane again, does it show the same info as the first time?
2. Close and reopen Acrobat. Open your PDF. Look at the Signatures pane and record info in it. Right-click on the signature and select "Show Signature Properties". The "Signature Properties" dialog comes up (without revalidating the signature as in #1). Does it say the same as in #1?

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Is there a way to stop the option to have to save a PDF after signing it?
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Hi,
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Now on to your question, and the short answer is no. To expand a bit, unlike other operations that can take place in memory, thus eliminating the Save until you are ready to close the file, signing is a bit different and for security reasons the computed cryptographic hash must be over the bytes on disk. If Acrobat were going to compute the hash over a range of memory it would be susceptible to an attack where you could end up signing something other than what you thought you were signing. Because of the seriousness of a signature (imagine you were signing a contract) you wouldn't want part of the document to change during the signing operation, which is what could happen if you signed the bytes in memory.
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BigChap posted this reply ealier - it worked great for me.
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refer to -
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Im calling a Java concurrent program which does digital signature stamping on the PDF report generated.Program able to able to read the PDF file as input and also digital signature stored as file in the application but
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Error:
Parameter 0 is Request id of with out Digital signature file
Parameter 1 is employee id of approver
Parameter:0:99203256
Parameter:1:1414603
$$$$ start query fileinfo with callable statment
programName>>>>>>>>BTPOPORPXML
$$$$ Without digital Signature file Name $$$
$/inst_top/finprod/apps/FINPROD_CPNQERPAAPZP10/logs/appl/conc/out/BTPOPORPXML_99203256_1.PDF
PFX File Reading Start
PFX File Reading Ends
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Elements present
java.lang.NullPointerException
at
com.lowagie.text.pdf.PdfSignatureAppearance.getAppearance
(Unknown Source)
at
com.lowagie.text.pdf.PdfSignatureAppearance.preClose
(Unknown Source)
at
com.lowagie.text.pdf.PdfSignatureAppearance.preClose
(Unknown Source)
at com.lowagie.text.pdf.PdfStamper.close(Unknown
Source)
at
btvl.oracle.apps.po.digsig.BTVLDigSign.runProgram
(BTVLDigSign.java:151)
at oracle.apps.fnd.cp.request.Run.main
(Run.java:157)
Edited by: 999033 on May 16, 2013 7:20 PM

Hi Charls,
I have successfully implemented at our end in 11i. Pl.try at your end.
v_request_id := FND_REQUEST.SUBMIT_REQUEST (passed your arguments... );
COMMIT;
IF NVL( v_request_id , 0 ) = 0 THEN
DBMS_OUTPUT.PUT_LINE( 'Item Assignment to Organization Program Not Submitted');
p_status := 'FAILURE' ;
p_err_msg := 'ERROR RAISED AFTER SUBMITTING THE IMPORT ITEM ORG.ASSIGNMENT CONCURRENT REQUEST ... ' ;
ELSE
v_finished := FND_CONCURRENT.WAIT_FOR_REQUEST
request_id => v_request_id,
interval => 0,
max_wait => 0,
phase => v_phase,
status => v_status,
dev_phase => v_request_phase,
dev_status => v_request_status,
message => v_message
LOOP
EXIT WHEN ( UPPER(v_request_phase) = 'COMPLETE' OR v_phase = 'C');
END LOOP;
HTH
Sanjay

Cancel Digital Signatures

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