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XML Signature Validation using JSR105 provider

  • 1.  XML Signature Validation using JSR105 provider

    Posted 01/13/11 04:32 AM

    If I validate the XML doc using JSR105 Provider in WebSphere 7.0 I am gettting the UnsupportedOperationException.  If I use default prodiver, able to validate the signature.  Prior to WAS V6.0, IBM supported JSR105 Provider as default provider.  I have to use JSR105 provider only.  could any one suggest how I can use/enable the JSR 105 provider in WAS v7.0.


     


    Code that I have used to validate the signature is:



    String providerName = System.getProperty("jsr105Provider", "org.jcp.xml.dsig.internal.dom.XMLDSigRI");
    NodeList nl = doc.getElementsByTagNameNS(XMLSignature.XMLNS,"Signature");
    valContext = new DOMValidateContext (cert.getPublicKey(), nl.item(0));
    XMLSignatureFactory xFac= XMLSignatureFactory.getInstance("DOM",
                        (Provider)Class.forName(providerName).newInstance());
    signature = xFac.unmarshalXMLSignature(valContext);
    Boolean valid = signature.validate(valContext);



    Exception:


    tack trace = java.lang.UnsupportedOperationException: Internal Error
    at com.ibm.xml.crypto.dsig.dom.transform.Enveloped.transform(Enveloped.java:80)
    at org.jcp.xml.dsig.internal.dom.DOMTransform.transform(Unknown Source)
    at org.jcp.xml.dsig.internal.dom.DOMReference.transform(Unknown Source)
    at org.jcp.xml.dsig.internal.dom.DOMReference.digest(Unknown Source)
    at org.jcp.xml.dsig.internal.dom.DOMXMLSignature.digestReference(Unknown Source)
    at org.jcp.xml.dsig.internal.dom.DOMXMLSignature.sign(Unknown Source)


     


    Thanks,


    Sangeetha



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