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(CkPython) Create XAdES using Smart Card or USB TokenDemonstrates how to create an XAdES signed XML document using a certificate located on a smartcard or USB token. Note: This example requires Chilkat v9.5.0.75 or greater. Also, at the time of this writing this example is restricted to the Windows operating system.
import sys import chilkat # ---------------------------------------------------------------------- # IMPORTANT: This generated example requires Chilkat v9.5.0.75 or later. # Contact support@chilkatsoft.com for a pre-release. # ---------------------------------------------------------------------- # Load the XML to be signed. xmlToSign = chilkat.CkXml() success = xmlToSign.LoadXmlFile("qa_data/fattura_electronica/docToSign.xml") if (success != True): print(xmlToSign.lastErrorText()) sys.exit() gen = chilkat.CkXmlDSigGen() gen.put_SigLocation("p:FatturaElettronica") gen.put_SigId("xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504") gen.put_SigNamespacePrefix("ds") gen.put_SigNamespaceUri("http://www.w3.org/2000/09/xmldsig#") gen.put_SigValueId("xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-sigvalue") gen.put_SignedInfoCanonAlg("C14N") gen.put_SignedInfoDigestMethod("sha256") # Create an Object to be added to the Signature. # Note: Chilkat will automatically populate the strings indicated by "TO BE GENERATED BY CHILKAT" with actual/correct values # when the XML is signed. object1 = chilkat.CkXml() object1.put_Tag("xades:QualifyingProperties") object1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#") object1.AddAttribute("xmlns:xades141","http://uri.etsi.org/01903/v1.4.1#") object1.AddAttribute("Target","#xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504") object1.UpdateAttrAt("xades:SignedProperties",True,"Id","xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-signedprops") object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime","TO BE GENERATED BY CHILKAT") object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestMethod",True,"Algorithm","http://www.w3.org/2001/04/xmlenc#sha256") object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestValue","TO BE GENERATED BY CHILKAT") object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:IssuerSerialV2","TO BE GENERATED BY CHILKAT") gen.AddObject("",object1.getXml(),"","") # -------- Reference 1 -------- gen.put_KeyInfoId("xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-keyinfo") gen.AddSameDocRef("xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-keyinfo","sha256","","","") # -------- Reference 2 -------- gen.AddSameDocRef("","sha256","","","") gen.SetRefIdAttr("","xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-ref0") # -------- Reference 3 -------- gen.AddObjectRef("xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-signedprops","sha256","","","http://uri.etsi.org/01903#SignedProperties") # ---------------------------------------------------------------- # Load a certificate that has been pre-installed on the Windows system # This includes certificates on smartcards and USB tokens cert = chilkat.CkCert() # You may provide the PIN here.. cert.put_SmartCardPin("000000") # Load the certificate on the smartcard currently in the reader (or on the USB token). # Pass an empty string to allow Chilkat to automatically choose the CSP (Cryptographi Service Provider). # See Load Certificate on Smartcard for information about explicitly selecting a particular CSP. success = cert.LoadFromSmartcard("") if (success != True): print(cert.lastErrorText()) sys.exit() gen.SetX509Cert(cert,True) gen.put_KeyInfoType("X509Data") gen.put_X509Type("Certificate") # Load XML to be signed... sbXml = chilkat.CkStringBuilder() xmlToSign.GetXmlSb(sbXml) gen.put_Behaviors("IndentedSignature,ForceAddEnvelopedSignatureTransform") # Sign the XML... success = gen.CreateXmlDSigSb(sbXml) if (success != True): print(gen.lastErrorText()) sys.exit() # Save the signed XMl to a file. success = sbXml.WriteFile("qa_output/signedXml.xml","utf-8",False) print(sbXml.getAsString()) # ---------------------------------------- # Verify the signature we just produced... verifier = chilkat.CkXmlDSig() success = verifier.LoadSignatureSb(sbXml) if (success != True): print(verifier.lastErrorText()) sys.exit() verified = verifier.VerifySignature(True) if (verified != True): print(verifier.lastErrorText()) sys.exit() print("This signature was successfully verified.") |
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