Digital Signature in XML Report

Hi Friends,
In Oracle EBS R12, I have a custom XML report developed and running fine.
There is a requirement to add the feature of Digital Signature in the output of this report. Please help me with the detailed steps to achieve this.
PS: I have tried a few links from Google and Article notes from oracle support. But, no success.
If anyone has implemented this successfully, some hints would be of great help.
The XML report is form-16 of employees.
Regards,
Gursangat

Duplicate thread (please post only once).
How to add a digital signature in xml publisher report
How to add a digital signature in xml publisher report

Similar Messages

How to validate XML Digital Signature with XML DB (o PL/SQL) in Oracle 11g

Hi,
Do you know if there is possibility to validate XML Digital Signature using XML DB (or PL/SQL) in Oracle 11g?
Let say I have CLOB/XMLType containing Digitally Signed XML, and I want to validate, that thsi is proper signature. I also have public key of signer (I could store it in CLOB or file or Oracle wallet).
Is it possible to do?
If there is need to install additional component - then which one?
Regards,
Paweł

Hi,
this is what i got from someone...
but the links he gave are not opening up...
u have to place a picture there and have to load the digital signatures as Jpegs on to the server to OA top
and have to refer them in the XML for dynamically get the signature on the reports
when u select the properties of the picture placed in the XML template,
there will be one tab with "URL"... in that u have to give the path for that jpegs
Pls refer the following documents for enabling digital signature on pdf documents.
http://iasdocs.us.oracle.com/iasdl/bi_ee/doc/bi.1013/e12187/T421739T481159.htm#5013638 (refer section 'Adding or Designating a Field for Digital Signature'
http://iasdocs.us.oracle.com/iasdl/bi_ee/doc/bi.1013/e12188/T421739T475591.htm#5013688
(Implementing a Digital Signature
Is the BI Publisher installed on your instance of version 10.1.3.4 or higher?
Pls procure a digital signature as soon as possible. The process can take time. OR we could use any certificate that you already might have OR generate a certificate using Oracle Certificate Authority for demo.

DIGITAL SIGNATURE IN ORACLE REPORT

Hi all
I have a requirement where I need to include a digital signature in the report. I searched on the google to find the digital signature capturing device and there are a lot of good products in the market but no where I am able to get the integration of this device with Oracle EBS.
PROBLEM STATEMENT : The drivers of the transport (say truck etc) that pick up material from the warehouse
to the stores have to sign a declaration of the items they are carrying in their truck, and give it in the
warehouse.This is being done manually on papers and due to this the archiving becomes difficult.
What my requirement is driver will sign on this digital signature capturing device and it will get reflected in
the e-copy of the report.
Please guide my how can I integrate this device with oracle EBS.
Thanks a lot in advance.
Edited by: Qwerty on Feb 5, 2010 4:35 PM

Hi,
Below is the link for Digital Signature in SAP BI:
http://help.sap.com/saphelp_nw04/helpdata/EN/53/251a355d0c4d78e10000009b38f83b/frameset.htm
Secure Store & Forward / Digital Signatures User's Guide:
http://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/icc/secure%20store%20and%20forwarddigital%20signatures%20user%20guide.pdf
Good One:
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/e0fbaa71-cd8d-2910-5982-e30626035400;jsessionid=(J2EE3414900)ID1586927250DB10939917069703686750End
Regards
Ram.
Edited by: Ramakanth Deepak Gandepalli on Dec 10, 2009 6:07 AM

How to add a digital signature in xml publisher report

The problem is: There is a existing pick slip report.This is a xml publisher report and the data source is RDF. We have to add digital signature there. Now this signature is stored in a table with type Long Raw and format BMP. XML Publisher do not support Long Raw and BMP format. It supports BLOB and jpg format.
Could you please guide how to add this signature in the existing RDF with datatype as BLOB and format as jpg.
Please provide the steps with example.

Hi,
Have a look at this thread.
Implementing electronic signatures on an existing AP check run
Re: Implementing electronic signatures on an existing AP check run
Regards,
Hussein

Adding Digital Signature to XML strings

Hello All ,
i'm looking for functionality to add digital signature, encoding & decording to XML Payment fiels with encryption as well.i have searched on SDN but i havn't found any solution.
waiting for some useful thoughts on it.
i have see Programs SSF* as well , but it requires PSE settings which i dont want to use .Is there any others ways to do it ?
Thanks & Regards
V.

Yes, you need a certificate to sign.
You need a special one for yourself, one that also contains your private key.
Your message is signed with your private key (actually encrypted with it), after that anyone can see you signed it using your public key.
Encryption works the other way round: You encrypt it with openly available public key of the recipient, but only he will be able to decrypt it with his private key.
BTW you can create your own certificate, using Keychain Access>Certificate Assistant. The disadvantage is that they are not automatically accepted as valid, since they are not listed in the X509Anchors keychain. You have (and whoever you deal with) manually import your (public) certificate into the Keychain X509Anchors as well. Double clicking the certificate gives you the option to do so.

Digital signature on xml string

Hello
I'm trying to sign an xml string, but when I do so, I receive:
HIERARCHY_REQUEST_ERR: An attempt was made to insert a node where it is not permitted.
 at com.sun.org.apache.xerces.internal.dom.CoreDocumentImpl.insertBefore(Unknown Source)
 at org.jcp.xml.dsig.internal.dom.DOMXMLSignature.marshal(Unknown Source)
 at org.jcp.xml.dsig.internal.dom.DOMXMLSignature.sign(Unknown Source)
 at com.azry.ess.service.mof.InboundMessageUtils.sign(InboundMessageUtils.java:139)
 at com.azry.ess.service.mof.Services.getPaymentString(Services.java:187)
 at com.azry.ess.service.mof.Services.main(Services.java:61)
the string looks like this:
<Object Id="PAYMENTS"><PAYMENTS xmlns=""><Payment><PaymentIdA></PaymentIdA><PaymentIdB>aa</PaymentIdB><SrcBank>bb</SrcBank><SrcAccount>cc</SrcAccount><PayerId>dd</PayerId><PayerName>Dato</PayerName><TaxPayerId>00022023</TaxPayerId><TaxPayerName></TaxPayerName><ReceiverName>mof</ReceiverName><AdditinalInfo>racxa</AdditinalInfo><Amount>521</Amount><TreasuryCode>hello</TreasuryCode><PaymentTime>hi</PaymentTime><PaymentChannel>ib</PaymentChannel></Payment></PAYMENTS></Object>
and here's the code
 XMLSignatureFactory fac = XMLSignatureFactory.getInstance("DOM");
 Reference ref = fac.newReference("", fac.newDigestMethod(DigestMethod.SHA1, null));
 CanonicalizationMethod canonicalizationMethod =
 fac.newCanonicalizationMethod(
 CanonicalizationMethod.INCLUSIVE_WITH_COMMENTS,
 (C14NMethodParameterSpec) null);
 SignatureMethod signatureMethod = fac.newSignatureMethod(
 SignatureMethod.RSA_SHA1, null);
 SignedInfo si = fac.newSignedInfo(
 canonicalizationMethod, signatureMethod,
 Collections.nCopies(1, ref));
 KeyInfoFactory kif = fac.getKeyInfoFactory();
 KeyValue kv = kif.newKeyValue(getPeerPublicKey());
 KeyInfo ki = kif.newKeyInfo(Collections.singletonList(kv));
 XMLSignature signature = fac.newXMLSignature(si, ki);
 DOMSignContext sc = new DOMSignContext(getPeerPrivateKey(), doc);
 signature.sign(sc);any ideas? :S
thanks

Thanks for the reply
I'm generating that xml using a simple StringBuilder. here's the code
 StringBuilder sb = new StringBuilder();
 sb.append("<Object Id=\"PAYMENTS\"><PAYMENTS xmlns=\"\"><Payment><PaymentIdA></PaymentIdA><PaymentIdB>");
 sb.append(paymentId);
 sb.append("</PaymentIdB><SrcBank>");
 sb.append(srcBankCode);
 sb.append("</SrcBank><SrcAccount>");
 sb.append(srcBankAccount);
 sb.append("</SrcAccount><PayerId>");
 sb.append(payerId);
 sb.append("</PayerId><PayerName>");
 sb.append(payerName);
 sb.append("</PayerName><TaxPayerId>");
 sb.append(taxPayerId);
 sb.append("</TaxPayerId><TaxPayerName>");
 sb.append("</TaxPayerName><ReceiverName>");
 sb.append(receiverName);
 sb.append("</ReceiverName><AdditinalInfo>");
 sb.append(additionalInfo);
 sb.append("</AdditinalInfo><Amount>");
 sb.append(amount);
 sb.append("</Amount><TreasuryCode>");
 sb.append(treasuryCode);
 sb.append("</TreasuryCode><PaymentTime>");
 sb.append(paymentTime);
 sb.append("</PaymentTime><PaymentChannel>");
 sb.append(paymentChannel);
 sb.append("</PaymentChannel></Payment></PAYMENTS></Object>");
 Document doc = InboundMessageUtils.parseInboundMessage(sb.toString());
 org.w3c.dom.Node n = InboundMessageUtils.sign(InboundMessageUtils.getPeerPrivateKey(), doc);
 public static Document parseInboundMessage(String message) throws Exception {
 DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
 dbf.setNamespaceAware(true);
 InputStream is = new ByteArrayInputStream(message.getBytes(Charset
 .forName("UTF-8")));
 Document newDoc = dbf.newDocumentBuilder().parse(is);
 return newDoc;
 public static void sign(PrivateKey expectedKey, Document doc) throws Exception{
 XMLSignatureFactory signatureFactory = XMLSignatureFactory
 .getInstance("DOM");
 XMLSignatureFactory fac = XMLSignatureFactory.getInstance("DOM");
 Reference ref = fac.newReference("", fac.newDigestMethod(DigestMethod.SHA1, null));
 CanonicalizationMethod canonicalizationMethod =
 fac.newCanonicalizationMethod(
 CanonicalizationMethod.INCLUSIVE_WITH_COMMENTS,
 (C14NMethodParameterSpec) null);
 SignatureMethod signatureMethod = fac.newSignatureMethod(
 SignatureMethod.RSA_SHA1, null);
 SignedInfo si = fac.newSignedInfo(
 canonicalizationMethod, signatureMethod,
 Collections.nCopies(1, ref));
 KeyInfoFactory kif = fac.getKeyInfoFactory();
 KeyValue kv = kif.newKeyValue(getPeerPublicKey());
 KeyInfo ki = kif.newKeyInfo(Collections.singletonList(kv));
 XMLSignature signature = fac.newXMLSignature(si, ki);
 DOMSignContext sc = new DOMSignContext(getPeerPrivateKey(), doc);
 signature.sign(sc);
 public static PrivateKey getPeerPrivateKey() throws Exception
 BigInteger modulus = new BigInteger(
 "SomeKey");
 BigInteger exponent = new BigInteger("65537");
 RSAPrivateKeySpec spec = new RSAPrivateKeySpec(modulus, exponent);
 PrivateKey key;
 try {
 KeyFactory kf = KeyFactory.getInstance("RSA");
 key = kf.generatePrivate(spec);
 } catch (NoSuchAlgorithmException e1) {
 throw new Exception(e1);
 } catch (InvalidKeySpecException e1) {
 throw new Exception(e1);
 return key;
 public static PublicKey getPeerPublicKey() throws Exception {
 BigInteger modulus = new BigInteger(
 "SomeKey");
 BigInteger exponent = new BigInteger("65537");
 RSAPublicKeySpec spec = new RSAPublicKeySpec(modulus, exponent);
 PublicKey key;
 try {
 KeyFactory kf = KeyFactory.getInstance("RSA");
 key = kf.generatePublic(spec);
 } catch (NoSuchAlgorithmException e1) {
 throw new Exception(e1);
 } catch (InvalidKeySpecException e1) {
 throw new Exception(e1);
 return key;
 }Any idea? :S

Use XML Digital Signature(Apache XML security) with Applet

I have problem when I use xml-security-1_2_1 library from Apache with applet and access denied errors occur.
6 May 2005 10:06:45 org.apache.xml.security.Init init
SEVERE: Bad:
java.security.AccessControlException: access denied (java.util.PropertyPermission org.apache.xml.security.resource.config read)
bla bla....
How should I do ? Please! T_T and thank you ..

An applet cannot read the local file system, connect to any other computer than the one
it came from or read properties it's not supposed to read. And I think it cannot write to any
property.
If you sign the applet or set up a policy for it the applet can do the same as an application
allthough the jre will still check the stack trace if the entire stack has the same privileges
as you signed applet.
http://forum.java.sun.com/thread.jsp?forum=63&thread=524815
second post and last post for the java class file

Hi, I am oracle apps HRMS Technical consultant.I wanted to know ,can we implement Digital Signatures in Oracle apps 11i XML Reports.if yes what is the approach to do so ? Your quick response is appreciated. Regards , Aasma Sayyad.

Hi,
I am Oracle Apps HRMS Technical Consultant.
I wanted to know,if we can implement Digital Signatures in XML Reports for Oracle Apps HRMS 11i Aplication.
If yes,what is the approach to do so.
Your quick response is appreciated.
Regards,
Aasma Sayyad.

Hi Aasma,
The standard BI Publisher is part of EBS applications.
Most of the EBS reports(R12) are based on BI Publisher.
If you check the responsibility 'XML Publisher Administrator' you will see all the templates used in the application.
Your technical team should already know this.
On the other hand OBIEE would need separate licences.
But for you BI Publisher would do.
Cheers,
Vignesh

Crystal Reports 2008 - PDF Digital Signatures

Hello All,
I'll appreciate if somebody can help me with a customer requirement.
We are using .NET Crystal Reports 2008 libraries to render reports, basically, programatically we open an RPT file, inyect data vía XML and render the report. Everything works fine, and the same .NET component let us to get a PDF version of the report.
What we need to do now, according to our customer's requirement is how to add a Digital Signature to the PDF report.
The one million question is: Is there any way using Crystal Reports 2008 .NET Libraries to add a Digital Signature to a report (in its PDF version)???
Thanks in advance for your Help
Adriá

At least one of the 3rd-party Crystal report Desktop Scheduling tools listed at: http://www.kenhamady.com/bookmarks.html
provides this functionality.

How to create Web Service Client from wsdl with digital signature?

Please, help me to create Web Service Client from wsdl with digital signature. I know create Web Service client from wsdl file and I know how to add digital signature to XML with jwsdp, but I don't know how to do it together.
Thanks.

I'm handling security wit JAX-WS handler. So I insert "manually" ws-security tag and I encrypt (and sign) message parts.
On client side, all works fine, but on server side I obtain:
---Server Inbound SOAP message---|#]
Decrypting message and rebuilding Valuees... |#]
Starting decrypt|#]
. dectypted.!
--found following string: <ns1:addiziona><num1>80</num1><num2>22222</num2></ns1:addiziona>|#]
...MESSAGE Restored.|#]
<?xml version="1.0" ?><soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:ns1="http://calculator.me.org/" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"><soapenv:Body><ns1:addiziona><num1>80</num1><num2>22222</num2></ns1:addiziona></soapenv:Body></soapenv:Envelope>|#]
Error in decoding SOAP Message
Error in decoding SOAP Message
 at com.sun.xml.ws.encoding.soap.server.SOAPXMLDecoder.toInternalMessage(SOAPXMLDecoder.java:89)
 at com.sun.xml.ws.protocol.soap.server.SOAPMessageDispatcher.toMessageInfo(SOAPMessageDispatcher.java:187)
 at com.sun.xml.ws.protocol.soap.server.SOAPMessageDispatcher$SoapInvoker.invoke(SOAPMessageDispatcher.java:571)
 at com.sun.xml.ws.protocol.soap.server.SOAPMessageDispatcher.receive(SOAPMessageDispatcher.java:145)
 at com.sun.xml.ws.server.Tie.handle(Tie.java:88)
 at com.sun.enterprise.webservice.Ejb3MessageDispatcher.handlePost(Ejb3MessageDispatcher.java:160)
 at com.sun.enterprise.webservice.Ejb3MessageDispatcher.invoke(Ejb3MessageDispatcher.java:89)
 at com.sun.enterprise.webservice.EjbWebServiceServlet.dispatchToEjbEndpoint(EjbWebServiceServlet.java:178)
 at com.sun.enterprise.webservice.EjbWebServiceServlet.service(EjbWebServiceServlet.java:109)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
 at com.sun.enterprise.web.AdHocContextValve.invoke(AdHocContextValve.java:100)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536)
 at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:71)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:182)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
 at com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
 at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:231)
 at com.sun.enterprise.web.connector.grizzly.ProcessorTask.invokeAdapter(ProcessorTask.java:667)
 at com.sun.enterprise.web.connector.grizzly.ProcessorTask.processNonBlocked(ProcessorTask.java:574)
 at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:844)
 at com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask.java:287)
 at com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:212)
 at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252)
 at com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:75)
Caused by: javax.xml.ws.soap.SOAPFaultException: Cannot find the dispatch method
 at com.sun.xml.ws.encoding.soap.SOAPDecoder.raiseFault(SOAPDecoder.java:674)
 at com.sun.xml.ws.encoding.soap.server.SOAPXMLDecoder.decodeDispatchMethod(SOAPXMLDecoder.java:152)
 at com.sun.xml.ws.encoding.soap.SOAPDecoder.decodeBodyContent(SOAPDecoder.java:337)
 at com.sun.xml.ws.encoding.soap.SOAPDecoder.decodeBody(SOAPDecoder.java:327)
 at com.sun.xml.ws.encoding.soap.SOAPDecoder.decodeEnvelope(SOAPDecoder.java:250)
 at com.sun.xml.ws.encoding.soap.server.SOAPXMLDecoder.toInternalMessage(SOAPXMLDecoder.java:81)
 ... 29 more
|#]
--->handleFault O_o<---|#]If you have any idea for solving my problem, then I can post my simple example :(
Bye!

Export to pdf w digital signature

Hi, folks.Does CR have an api for adding a digital signature to a report that is exported to a pdf? I will be using VS.NET 2005 w/ CR to programmatically populate the reports. After some research and searching on the web, I haven't seen anything explaining how to get the sig into the generated pdfs. I will also have access to a standalone Pro version of CR, but it doesn't seem to have a way of doing this either, unless I missed it in the documentation. Does the developer edition of CR have an api for this? My client requires a digitally signed pdf document. There must be a way of programmatically doing this, right? Thanks, Lee... 

 It's not within the current CR.NET API, but there are third-party libs that allow you to post-process a PDF file created by CR.NET. There's Adobe's library, and even an open-source (<a href="http://www.codeproject.com/useritems/Esignature.asp" target="_blank">iTextSharp</a>) one.Sincerely,Ted Ueda

SAPGENPSE Conversion into PSE File for Digital Signature problem

Hello,
Would anyone help me with this problem
I am trying to create a PSE file for implementing the Digital Signature in a Report following the Note 1300880 . When I try to create the PSE FILE.
Use the SAPGENPSE tool to import the file in PCKS#12 format using the command import_p12 as follows:
rem convert pkcs12 file to pse
sapgenpse import_p12 -p CSD_01.pse -x a0123456789 -z a0123456789 CSD_01.p12
when I run the command I get this error:
C:\SAPGENPSE\ntintel>sapgenpse import_p12 -p CSD_01.pse -x a0123456789 -z a01234
56789 CSD_01.p12
import_p12: Can't create PSE.
ERROR in af_create: (4352/0x1100) could not flush : "SW-PSE"
ERROR in create_PSE: (4352/0x1100) could not flush : "SW-PSE"
ERROR in modified_PSEFile: (4352/0x1100) could not flush : "SW-PSE"
ERROR in flush_PSEFile: (1283/0x0503) Can't write file : "C:\Documents and Setti
ngs\Administrador\sec\CSD_01.pse"
ERROR in aux_OctetString2file: (1283/0x0503) Can't write file : "C:\Documents an
d Settings\Administrador\sec\CSD_01.pse"
C:\SAPGENPSE\ntintel>
I would appreciate any help.

Hi
I solved my Issue. SAPGENPSE failed with only import_p12 error.
I had misspelt , fat fingers.
In AIX I ran     env
Check to see    SECUDIR=/usr/sap/SID/DVEMBS03/sec
I had a spelling mistake and saw the wrong entry.
To set this up, do this in your Instance profile or right before you run the sapgenpse
setenv SECURDIR /usr/sap/FSB/DVEMBS03/sec     Insert your right SID of course.
Also just run     sapgenpse and it will tell you if you have set the environment correctly..
Worked like a charm, certificate created.

How to inclulde digital signature in PDF outputs using XML Publisher

I'm working on AR invoice print report which is a custom report. One of the requirements of this report is to include the digital signature in the output which is in PDF format.
We have below code components for this custom report.
Oracle Report (RDF) - to extract the invoice data
RTF template - for report layout
Bursting file - to split the output into individual PDFs
Is there any document available to implement the digital signaure in my case?
I'm looking for the steps to implement this in my custom report using XML Publisher.

Take a look at the report designer's guide; section "Adding or Designating a Field for a Digital Signature" here:
http://download.oracle.com/docs/cd/E12844_01/doc/bip.1013/e12187.pdf
Thanks,
Bipuser
If I am not mistaken, this would require using PDF templates and use of Adobe Acrobat Professional.. Maybe others can chime in with other/better options..
Edited by: BIPuser on Aug 2, 2011 12:58 PM

Loading Invoice XML IDoc with digital signature via XI into R/3

Hi,
I received an Invoice XML IDoc with digital signature via Mail (for test purposes) and want to load it via XI into an R/3 systeme.
My idea is to load the Invoice XML IDoc file via the File Sender Adapter into XI and send it to the R/3 system via the IDoc Inbound adapter.
Due to the digital signature the file looks like this:
0 S      *H÷
   D0 @   1 0       +      0 '      *H÷
      0 0 û      etc.
When I load the file like this with the File Sender Adapter, an error message occurs in the XI Monitoring as the XML Parser cannot read the file due to the digital signatur (as expected).
Has anybody an idea how I can configure the File Sender Adapter Communication Channel to be able to load only the XML IDoc and ignore the digital Signature strings?
Thanks in advance for your support.
Alex

BTW
do use the second way you need:
Security Settings for the Sender Mail Adapter
http://help.sap.com/saphelp_nw04/helpdata/en/27/c0524257a1b56be10000000a155106/content.htm
and
Key Storage Service
http://help.sap.com/saphelp_webas630/helpdata/DE/e9/a1dd44d2c83c43afb5ec8a4292f3e0/content.htm
apart from adapter module config
Regards,
michal

Fire fox is not reading my XML file for digital signature

I have to upload the xml file in www.incometaxindiaefiling.gov.in by digitally signing the xml file. When I click on the tab for digital sign, the message come " cannot read the xml file"

Not the sort of thing it is easy to help with as by definition it will not be a public site but one for Indian Taxpayers, and can be expected to be secure.
Have you tried using Internet Explorer.
You could try attaching screen shots of the problem pages and any error messages, but please be careful and edit out any confidential or sensitive information before attaching such an image.
Please remember you are posting on a public and websearch indexed website, this is not a private support ticket.
*link is https://support.mozilla.org/en-US/questions/968557
Are you seeing a shield icon in your location bar as explained in this article
* How does content that isn't secure affect my safety?
That is rather a longshot as it is a change in Firefox so could affect you this year, but would not have affected you last year.
* see [[How does content that isn't secure affect my safety?]]
I note the public portion of the site
* https://incometaxindiaefiling.gov.in/
* talks about 'e-Filing' and 'Option 1: Use Digital Signature Certificate (DSC)' and then gives two other alternatives
Other possibilities
*[[Troubleshoot the "Secure Connection Failed" error message]]

Digital Signature in XML Report

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