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(Visual FoxPro) Create XAdES-T Signed XMLSee more XAdES ExamplesThis example signs XML using the XAdES-T profile. XAdES-T is a profile within the XAdES standard that adds support for secure timestamping of signatures. Secure timestamping involves adding a timestamp to the signature, indicating the exact time when the signature was applied. Timestamping enhances the long-term validity of signatures by providing evidence that the signature existed at a specific point in time, even if the signer's certificate has expired or been revoked. XAdES-T signatures include elements for embedding timestamp data within the XML signature, along with information about the timestamp authority and the timestamp verification process. XAdES-T signatures are suitable for scenarios where long-term validity and integrity of signatures are essential, such as in legal and regulatory contexts where archived documents may need to be validated years or decades later.
LOCAL lnSuccess LOCAL loXmlToSign LOCAL loGen LOCAL loObject1 LOCAL loObject2 LOCAL loCert LOCAL loJsonTsa LOCAL loSbXml LOCAL loVerifier LOCAL lnNumSigs LOCAL lnVerifyIdx LOCAL lnVerified * This example requires the Chilkat API to have been previously unlocked. * See Global Unlock Sample for sample code. lnSuccess = 1 * Create the XML to be signed... * Use this online tool to generate code from sample XML: * Generate Code to Create XML * <?xml version="1.0" encoding="UTF-8"?> * <es:Dossier xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns="http://uri.etsi.org/01903/v1.3.2#" xmlns:es="https://www.microsec.hu/ds/e-szigno30#" xsi:schemaLocation="https://www.microsec.hu/ds/e-szigno30# https://www.microsec.hu/ds/e-szigno30.xsd"> * <es:DossierProfile Id="PObject0" OBJREF="Object0"> * <es:Title>e-akta.es3</es:Title> * <es:E-category>electronic dossier</es:E-category> * <es:CreationDate>2022-12-02T07:55:16Z</es:CreationDate> * </es:DossierProfile> * <es:Documents Id="Object0"/> * </es:Dossier> * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Xml') loXmlToSign = CreateObject('Chilkat.Xml') loXmlToSign.Tag = "es:Dossier" loXmlToSign.AddAttribute("xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance") loXmlToSign.AddAttribute("xmlns:ds","http://www.w3.org/2000/09/xmldsig#") loXmlToSign.AddAttribute("xmlns","http://uri.etsi.org/01903/v1.3.2#") loXmlToSign.AddAttribute("xmlns:es","https://www.microsec.hu/ds/e-szigno30#") loXmlToSign.AddAttribute("xsi:schemaLocation","https://www.microsec.hu/ds/e-szigno30# https://www.microsec.hu/ds/e-szigno30.xsd") loXmlToSign.UpdateAttrAt("es:DossierProfile",1,"Id","PObject0") loXmlToSign.UpdateAttrAt("es:DossierProfile",1,"OBJREF","Object0") loXmlToSign.UpdateChildContent("es:DossierProfile|es:Title","e-akta.es3") loXmlToSign.UpdateChildContent("es:DossierProfile|es:E-category","electronic dossier") loXmlToSign.UpdateChildContent("es:DossierProfile|es:CreationDate","2022-12-02T07:55:16Z") loXmlToSign.UpdateAttrAt("es:Documents",1,"Id","Object0") * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.XmlDSigGen') loGen = CreateObject('Chilkat.XmlDSigGen') loGen.SigLocation = "es:Dossier" loGen.SigLocationMod = 0 loGen.SigId = "S9fe8096e-2cac-415d-9222-f6cf2ecb314b" loGen.SigValueId = "VS9fe8096e-2cac-415d-9222-f6cf2ecb314b" loGen.SignedInfoId = "SIS9fe8096e-2cac-415d-9222-f6cf2ecb314b" loGen.SignedInfoCanonAlg = "EXCL_C14N" loGen.SignedInfoDigestMethod = "sha256" * Set the KeyInfoId before adding references.. loGen.KeyInfoId = "KS9fe8096e-2cac-415d-9222-f6cf2ecb314b" * Create an Object to be added to the Signature. * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Xml') loObject1 = CreateObject('Chilkat.Xml') loObject1.Tag = "es:SignatureProfile" loObject1.AddAttribute("Id","PS9fe8096e-2cac-415d-9222-f6cf2ecb314b") loObject1.AddAttribute("OBJREF","Object0") loObject1.AddAttribute("SIGREF","S9fe8096e-2cac-415d-9222-f6cf2ecb314b") loObject1.AddAttribute("SIGREFLIST","#Object0 #PS9fe8096e-2cac-415d-9222-f6cf2ecb314b #PObject0 #XS9fe8096e-2cac-415d-9222-f6cf2ecb314b") loObject1.UpdateChildContent("es:SignerName","EC Minősített-Tesztelő Péterke") loObject1.UpdateChildContent("es:SDPresented","false") loObject1.UpdateChildContent("es:Type","signature") loObject1.UpdateAttrAt("es:Generator|es:Program",1,"name","e-Szigno") loObject1.UpdateAttrAt("es:Generator|es:Program",1,"version","3.3.6.8") loObject1.UpdateAttrAt("es:Generator|es:Device",1,"name","OpenSSL 1.1.1n 15 Mar 2022") loObject1.UpdateAttrAt("es:Generator|es:Device",1,"type","") loGen.AddObject("O1S9fe8096e-2cac-415d-9222-f6cf2ecb314b",loObject1.GetXml(),"","") * Create an Object to be added to the Signature. * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Xml') loObject2 = CreateObject('Chilkat.Xml') loObject2.Tag = "QualifyingProperties" loObject2.AddAttribute("Target","#S9fe8096e-2cac-415d-9222-f6cf2ecb314b") loObject2.AddAttribute("Id","QPS9fe8096e-2cac-415d-9222-f6cf2ecb314b") loObject2.UpdateAttrAt("SignedProperties",1,"Id","XS9fe8096e-2cac-415d-9222-f6cf2ecb314b") loObject2.UpdateChildContent("SignedProperties|SignedSignatureProperties|SigningTime","TO BE GENERATED BY CHILKAT") loObject2.UpdateAttrAt("SignedProperties|SignedSignatureProperties|SigningCertificateV2|Cert|CertDigest|ds:DigestMethod",1,"Algorithm","http://www.w3.org/2001/04/xmlenc#sha256") loObject2.UpdateChildContent("SignedProperties|SignedSignatureProperties|SigningCertificateV2|Cert|CertDigest|ds:DigestValue","TO BE GENERATED BY CHILKAT") loObject2.UpdateChildContent("SignedProperties|SignedSignatureProperties|SigningCertificateV2|Cert|IssuerSerialV2","TO BE GENERATED BY CHILKAT") loObject2.UpdateChildContent("SignedProperties|SignedSignatureProperties|SignaturePolicyIdentifier|SignaturePolicyImplied","") loObject2.UpdateChildContent("SignedProperties|SignedSignatureProperties|SignerRoleV2|ClaimedRoles|ClaimedRole","tesztelő") * Here we have the EncapsulatedTimestamp found in the unsigned signature properties. loObject2.UpdateAttrAt("UnsignedProperties|UnsignedSignatureProperties|SignatureTimeStamp",1,"Id","T72cb4961-4326-4319-857a-7cf55e7ef899") loObject2.UpdateAttrAt("UnsignedProperties|UnsignedSignatureProperties|SignatureTimeStamp|ds:CanonicalizationMethod",1,"Algorithm","http://www.w3.org/2001/10/xml-exc-c14n#") loObject2.UpdateAttrAt("UnsignedProperties|UnsignedSignatureProperties|SignatureTimeStamp|EncapsulatedTimeStamp",1,"Id","ET72cb4961-4326-4319-857a-7cf55e7ef899") loObject2.UpdateChildContent("UnsignedProperties|UnsignedSignatureProperties|SignatureTimeStamp|EncapsulatedTimeStamp","TO BE GENERATED BY CHILKAT") loObject2.UpdateAttrAt("UnsignedProperties|UnsignedSignatureProperties|TimeStampValidationData",1,"xmlns","http://uri.etsi.org/01903/v1.4.1#") loObject2.UpdateAttrAt("UnsignedProperties|UnsignedSignatureProperties|CertificateValues",1,"Id","CV18c7702d-d45b-44bc-853a-a720f41053cd") loObject2.UpdateAttrAt("UnsignedProperties|UnsignedSignatureProperties|CertificateValues|EncapsulatedX509Certificate",1,"Id","EC42db04c8-1422-407b-8c42-189353a55268") loObject2.UpdateChildContent("UnsignedProperties|UnsignedSignatureProperties|CertificateValues|EncapsulatedX509Certificate","BASE64_CONTENT") loObject2.UpdateAttrAt("UnsignedProperties|UnsignedSignatureProperties|CertificateValues|EncapsulatedX509Certificate[1]",1,"Id","EC04728b44-a32c-46c1-b9bb-85b1f6b3c7d3") loObject2.UpdateChildContent("UnsignedProperties|UnsignedSignatureProperties|CertificateValues|EncapsulatedX509Certificate[1]","BASE64_CONTENT") loGen.AddObject("O2S9fe8096e-2cac-415d-9222-f6cf2ecb314b",loObject2.GetXml(),"","") * -------- Reference 1 -------- loGen.AddSameDocRef("Object0","sha256","EXCL_C14N","","") loGen.SetRefIdAttr("Object0","Re1f816c4-7898-4544-9b41-f4156dc0c528") * -------- Reference 2 -------- loGen.AddObjectRef("PS9fe8096e-2cac-415d-9222-f6cf2ecb314b","sha256","EXCL_C14N","","") loGen.SetRefIdAttr("PS9fe8096e-2cac-415d-9222-f6cf2ecb314b","Ra873b616-e568-4c38-ae94-27fbff67cc43") * -------- Reference 3 -------- loGen.AddSameDocRef("PObject0","sha256","EXCL_C14N","","") loGen.SetRefIdAttr("PObject0","Ra5d85948-5d6a-4914-8c32-242f5d6d9e81") * -------- Reference 4 -------- loGen.AddObjectRef("XS9fe8096e-2cac-415d-9222-f6cf2ecb314b","sha256","EXCL_C14N","","http://uri.etsi.org/01903#SignedProperties") loGen.SetRefIdAttr("XS9fe8096e-2cac-415d-9222-f6cf2ecb314b","Ra7412a43-dc05-4e0a-ac84-e9a070214757") * Provide a certificate + private key. (PFX password is test123) * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Cert') loCert = CreateObject('Chilkat.Cert') lnSuccess = loCert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123") IF (lnSuccess <> 1) THEN ? loCert.LastErrorText RELEASE loXmlToSign RELEASE loGen RELEASE loObject1 RELEASE loObject2 RELEASE loCert CANCEL ENDIF loGen.SetX509Cert(loCert,1) loGen.KeyInfoType = "X509Data" loGen.X509Type = "Certificate" * ------------------------------------------------------------------------------------------- * To have the EncapsulatedTimeStamp automatically added, we only need to do 2 things. * 1) Add the <xades:EncapsulatedTimeStamp Encoding="http://uri.etsi.org/01903/v1.2.2#DER">TO BE GENERATED BY CHILKAT</xades:EncapsulatedTimeStamp> * to the unsigned properties. * 2) Specify the TSA URL (Timestamping Authority URL). * Here we specify the TSA URL: * ------------------------------------------------------------------------------------------- * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.JsonObject') loJsonTsa = CreateObject('Chilkat.JsonObject') loJsonTsa.UpdateString("timestampToken.tsaUrl","http://timestamp.digicert.com") loJsonTsa.UpdateBool("timestampToken.requestTsaCert",1) loGen.SetTsa(loJsonTsa) * Load XML to be signed... * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.StringBuilder') loSbXml = CreateObject('Chilkat.StringBuilder') loXmlToSign.GetXmlSb(loSbXml) loGen.Behaviors = "IndentedSignature,OmitAlreadyDefinedSigNamespace" * Sign the XML... lnSuccess = loGen.CreateXmlDSigSb(loSbXml) IF (lnSuccess <> 1) THEN ? loGen.LastErrorText RELEASE loXmlToSign RELEASE loGen RELEASE loObject1 RELEASE loObject2 RELEASE loCert RELEASE loJsonTsa RELEASE loSbXml CANCEL ENDIF * ----------------------------------------------- * Save the signed XML to a file. lnSuccess = loSbXml.WriteFile("c:/temp/qa_output/signedXml.xml","utf-8",0) ? loSbXml.GetAsString() * ---------------------------------------- * Verify the signatures we just produced... * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.XmlDSig') loVerifier = CreateObject('Chilkat.XmlDSig') lnSuccess = loVerifier.LoadSignatureSb(loSbXml) IF (lnSuccess <> 1) THEN ? loVerifier.LastErrorText RELEASE loXmlToSign RELEASE loGen RELEASE loObject1 RELEASE loObject2 RELEASE loCert RELEASE loJsonTsa RELEASE loSbXml RELEASE loVerifier CANCEL ENDIF lnNumSigs = loVerifier.NumSignatures lnVerifyIdx = 0 DO WHILE lnVerifyIdx < lnNumSigs loVerifier.Selector = lnVerifyIdx lnVerified = loVerifier.VerifySignature(1) IF (lnVerified <> 1) THEN ? loVerifier.LastErrorText RELEASE loXmlToSign RELEASE loGen RELEASE loObject1 RELEASE loObject2 RELEASE loCert RELEASE loJsonTsa RELEASE loSbXml RELEASE loVerifier CANCEL ENDIF lnVerifyIdx = lnVerifyIdx + 1 ENDDO ? "All signatures were successfully verified." RELEASE loXmlToSign RELEASE loGen RELEASE loObject1 RELEASE loObject2 RELEASE loCert RELEASE loJsonTsa RELEASE loSbXml RELEASE loVerifier |
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