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    <font face="Times New Roman, Times, serif">I am new to this list,<br>
      <br>
      I need to sign an xml file and I am trying this way ...<br>
      <br>
      First, I created a certificate this way :<br>
      <br>
      <span style="font-size: 15px; color: rgb(0, 0, 0);
        background-color: transparent; font-weight: bold; font-style:
        normal; font-variant: normal; text-decoration: none;
        vertical-align: baseline; white-space: pre-wrap;">openssl req
        -x509 -newkey rsa:1024 -keyout chave.pem -out cert.pem -days
        1000 -nodes </span><span style="font-size: 13px; color: rgb(0,
        0, 0); background-color: transparent; font-weight: bold;
        font-style: normal; font-variant: normal; text-decoration: none;
        vertical-align: baseline; white-space: pre-wrap;">-subj
        "/CN=SERVIDOR"</span><br>
      <br>
      Then, I executed the command below :<br>
      <br>
      xmlsec1 --sign --trusted-pem cert.pem  xml3.txt<br>
      <br>
      And the result is :<br>
      <br>
      func=xmlSecXPathDataExecute:file=xpath.c:line=273:obj=unknown:subj=xmlXPtrEval:error=5:libxml2
      library function
failed:expr=xpointer(id('NFe43141054517628001160657180000000111913895023'))<br>
      func=xmlSecXPathDataListExecute:file=xpath.c:line=373:obj=unknown:subj=xmlSecXPathDataExecute:error=1:xmlsec
      library function failed:<br>
      func=xmlSecTransformXPathExecute:file=xpath.c:line=483:obj=xpointer:subj=xmlSecXPathDataExecute:error=1:xmlsec
      library function failed:<br>
      func=xmlSecTransformDefaultPushXml:file=transforms.c:line=2405:obj=xpointer:subj=xmlSecTransformExecute:error=1:xmlsec
      library function failed:<br>
      func=xmlSecTransformCtxXmlExecute:file=transforms.c:line=1236:obj=unknown:subj=xmlSecTransformPushXml:error=1:xmlsec
      library function failed:transform=xpointer<br>
      func=xmlSecTransformCtxExecute:file=transforms.c:line=1296:obj=unknown:subj=xmlSecTransformCtxXmlExecute:error=1:xmlsec
      library function failed:<br>
      func=xmlSecDSigReferenceCtxProcessNode:file=xmldsig.c:line=1571:obj=unknown:subj=xmlSecTransformCtxExecute:error=1:xmlsec
      library function failed:<br>
      func=xmlSecDSigCtxProcessSignedInfoNode:file=xmldsig.c:line=804:obj=unknown:subj=xmlSecDSigReferenceCtxProcessNode:error=1:xmlsec
      library function failed:node=Reference<br>
      func=xmlSecDSigCtxProcessSignatureNode:file=xmldsig.c:line=547:obj=unknown:subj=xmlSecDSigCtxProcessSignedInfoNode:error=1:xmlsec
      library function failed:<br>
      func=xmlSecDSigCtxSign:file=xmldsig.c:line=303:obj=unknown:subj=xmlSecDSigCtxSignatureProcessNode:error=1:xmlsec
      library function failed:<br>
      Error: signature failed<br>
      Error: failed to sign file "xml3.txt"<br>
      <br>
      I also tried :  <br>
      <br>
      xmlsec1 --sign --privkey-pem chave.pem  xml3.txt<br>
      <br>
      But the result was the same :<br>
      <br>
      func=xmlSecXPathDataExecute:file=xpath.c:line=273:obj=unknown:subj=xmlXPtrEval:error=5:libxml2
      library function
failed:expr=xpointer(id('NFe43141054517628001160657180000000111913895023'))<br>
      func=xmlSecXPathDataListExecute:file=xpath.c:line=373:obj=unknown:subj=xmlSecXPathDataExecute:error=1:xmlsec
      library function failed:<br>
      func=xmlSecTransformXPathExecute:file=xpath.c:line=483:obj=xpointer:subj=xmlSecXPathDataExecute:error=1:xmlsec
      library function failed:<br>
      func=xmlSecTransformDefaultPushXml:file=transforms.c:line=2405:obj=xpointer:subj=xmlSecTransformExecute:error=1:xmlsec
      library function failed:<br>
      func=xmlSecTransformCtxXmlExecute:file=transforms.c:line=1236:obj=unknown:subj=xmlSecTransformPushXml:error=1:xmlsec
      library function failed:transform=xpointer<br>
      func=xmlSecTransformCtxExecute:file=transforms.c:line=1296:obj=unknown:subj=xmlSecTransformCtxXmlExecute:error=1:xmlsec
      library function failed:<br>
      func=xmlSecDSigReferenceCtxProcessNode:file=xmldsig.c:line=1571:obj=unknown:subj=xmlSecTransformCtxExecute:error=1:xmlsec
      library function failed:<br>
      func=xmlSecDSigCtxProcessSignedInfoNode:file=xmldsig.c:line=804:obj=unknown:subj=xmlSecDSigReferenceCtxProcessNode:error=1:xmlsec
      library function failed:node=Reference<br>
      func=xmlSecDSigCtxProcessSignatureNode:file=xmldsig.c:line=547:obj=unknown:subj=xmlSecDSigCtxProcessSignedInfoNode:error=1:xmlsec
      library function failed:<br>
      func=xmlSecDSigCtxSign:file=xmldsig.c:line=303:obj=unknown:subj=xmlSecDSigCtxSignatureProcessNode:error=1:xmlsec
      library function failed:<br>
      Error: signature failed<br>
      Error: failed to sign file "xml3.txt"<br>
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