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(Go) XML-DSig Add Object Reference with Transforms Specified ExplicitlyDemonstrates how to use the new AddObjectRef2 method to explicitly specify the XML Transforms fragment.
// This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. success := true // Build the following XML to be signed: // <?xml version="1.0" encoding="utf-8"?> // <InitUpload xmlns="http://e-dokumenty.mf.gov.pl"> // <DocumentType>JPK</DocumentType> // <Version>01.02.01.20160617</Version> // <EncryptionKey algorithm="RSA" encoding="Base64" mode="ECB" padding="PKCS#1">xxxx</EncryptionKey> // <DocumentList> // <Document> // <FormCode schemaVersion="1-1" systemCode="JPK_VAT (3)">JPK_VAT</FormCode> // <FileName>JPK_VAT_3_v1-1_20181201.xml</FileName> // <ContentLength>8736</ContentLength> // <HashValue algorithm="SHA-256" encoding="Base64">JEDI1pItwh6dj/Xx1uts/x61qnjZ4DLHpkZMhmf1oKQ=</HashValue> // <FileSignatureList filesNumber="1"> // <Packaging> // <SplitZip mode="zip" type="split"/> // </Packaging> // <Encryption> // <AES block="16" mode="CBC" padding="PKCS#7" size="256"> // <IV bytes="16" encoding="Base64">z64oN9zXHt1+S3XACRSCYw==</IV> // </AES> // </Encryption> // <FileSignature> // <OrdinalNumber>1</OrdinalNumber> // <FileName>JPK_VAT_3_v1-1_20181201-000.xml.zip.aes</FileName> // <ContentLength>16</ContentLength> // <HashValue algorithm="MD5" encoding="Base64">5MX0q1935fvMjLFV7E1yDw==</HashValue> // </FileSignature> // </FileSignatureList> // </Document> // </DocumentList> // </InitUpload> // Use this online tool to generate code from sample XML: // Generate Code to Create XML xmlToSign := chilkat.NewXml() xmlToSign.SetTag("InitUpload") xmlToSign.AddAttribute("xmlns","http://e-dokumenty.mf.gov.pl") xmlToSign.UpdateChildContent("DocumentType","JPK") xmlToSign.UpdateChildContent("Version","01.02.01.20160617") xmlToSign.UpdateAttrAt("EncryptionKey",true,"algorithm","RSA") xmlToSign.UpdateAttrAt("EncryptionKey",true,"encoding","Base64") xmlToSign.UpdateAttrAt("EncryptionKey",true,"mode","ECB") xmlToSign.UpdateAttrAt("EncryptionKey",true,"padding","PKCS#1") xmlToSign.UpdateChildContent("EncryptionKey","xxxx") xmlToSign.UpdateAttrAt("DocumentList|Document|FormCode",true,"schemaVersion","1-1") xmlToSign.UpdateAttrAt("DocumentList|Document|FormCode",true,"systemCode","JPK_VAT (3)") xmlToSign.UpdateChildContent("DocumentList|Document|FormCode","JPK_VAT") xmlToSign.UpdateChildContent("DocumentList|Document|FileName","JPK_VAT_3_v1-1_20181201.xml") xmlToSign.UpdateChildContent("DocumentList|Document|ContentLength","8736") xmlToSign.UpdateAttrAt("DocumentList|Document|HashValue",true,"algorithm","SHA-256") xmlToSign.UpdateAttrAt("DocumentList|Document|HashValue",true,"encoding","Base64") xmlToSign.UpdateChildContent("DocumentList|Document|HashValue","JEDI1pItwh6dj/Xx1uts/x61qnjZ4DLHpkZMhmf1oKQ=") xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList",true,"filesNumber","1") xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Packaging|SplitZip",true,"mode","zip") xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Packaging|SplitZip",true,"type","split") xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES",true,"block","16") xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES",true,"mode","CBC") xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES",true,"padding","PKCS#7") xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES",true,"size","256") xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES|IV",true,"bytes","16") xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES|IV",true,"encoding","Base64") xmlToSign.UpdateChildContent("DocumentList|Document|FileSignatureList|Encryption|AES|IV","z64oN9zXHt1+S3XACRSCYw==") xmlToSign.UpdateChildContent("DocumentList|Document|FileSignatureList|FileSignature|OrdinalNumber","1") xmlToSign.UpdateChildContent("DocumentList|Document|FileSignatureList|FileSignature|FileName","JPK_VAT_3_v1-1_20181201-000.xml.zip.aes") xmlToSign.UpdateChildContent("DocumentList|Document|FileSignatureList|FileSignature|ContentLength","16") xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|FileSignature|HashValue",true,"algorithm","MD5") xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|FileSignature|HashValue",true,"encoding","Base64") xmlToSign.UpdateChildContent("DocumentList|Document|FileSignatureList|FileSignature|HashValue","5MX0q1935fvMjLFV7E1yDw==") gen := chilkat.NewXmlDSigGen() gen.SetSigLocation("InitUpload") gen.SetSigLocationMod(0) gen.SetSigId("id-1234") gen.SetSigNamespacePrefix("ds") gen.SetSigNamespaceUri("http://www.w3.org/2000/09/xmldsig#") gen.SetSignedInfoCanonAlg("EXCL_C14N") gen.SetSignedInfoDigestMethod("sha256") // Create an Object to be added to the Signature. // <xades:QualifyingProperties Target="#id-1234" xmlns:xades="http://uri.etsi.org/01903/v1.3.2#"> // <xades:SignedProperties Id="xades-id-1234"> // <xades:SignedSignatureProperties> // <xades:SigningTime>TO BE GENERATED BY CHILKAT</xades:SigningTime> // <xades:SigningCertificate> // <xades:Cert> // <xades:CertDigest> // <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/> // <ds:DigestValue>TO BE GENERATED BY CHILKAT</ds:DigestValue> // </xades:CertDigest> // <xades:IssuerSerial> // <ds:X509IssuerName>TO BE GENERATED BY CHILKAT</ds:X509IssuerName> // <ds:X509SerialNumber>TO BE GENERATED BY CHILKAT</ds:X509SerialNumber> // </xades:IssuerSerial> // </xades:Cert> // </xades:SigningCertificate> // </xades:SignedSignatureProperties> // <xades:SignedDataObjectProperties> // <xades:DataObjectFormat ObjectReference="#r-id-1"> // <xades:MimeType>text/xml</xades:MimeType> // </xades:DataObjectFormat> // </xades:SignedDataObjectProperties> // </xades:SignedProperties> // </xades:QualifyingProperties> object1 := chilkat.NewXml() object1.SetTag("xades:QualifyingProperties") object1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#") object1.AddAttribute("Target","#id-1234") object1.UpdateAttrAt("xades:SignedProperties",true,"Id","xades-id-1234") // Note: It may be that http://www.w3.org/2001/04/xmlenc#sha256 is needed in the following line instead of http://www.w3.org/2000/09/xmldsig#sha1 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/2000/09/xmldsig#sha1") 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") object1.UpdateAttrAt("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat",true,"ObjectReference","#r-id-1") object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType","text/xml") gen.AddObject("",*object1.GetXml(),"","") // -------- Reference 1 -------- // Build the following Transforms fragment: // <ds:Transforms> // <ds:Transform Algorithm="http://www.w3.org/TR/1999/REC-xpath-19991116"> // <ds:XPath>not(ancestor-or-self::ds:Signature)</ds:XPath> // </ds:Transform> // <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/> // </ds:Transforms> xml1 := chilkat.NewXml() xml1.SetTag("ds:Transforms") xml1.UpdateAttrAt("ds:Transform",true,"Algorithm","http://www.w3.org/TR/1999/REC-xpath-19991116") xml1.UpdateChildContent("ds:Transform|ds:XPath","not(ancestor-or-self::ds:Signature)") xml1.UpdateAttrAt("ds:Transform[1]",true,"Algorithm","http://www.w3.org/2001/10/xml-exc-c14n#") gen.AddSameDocRef2("","sha256",xml1,"") gen.SetRefIdAttr("","r-id-1") // -------- Reference 2 -------- // Build the following Transforms fragment: // <ds:Transforms> // <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/> // </ds:Transforms> xml2 := chilkat.NewXml() xml2.SetTag("ds:Transforms") xml2.UpdateAttrAt("ds:Transform",true,"Algorithm","http://www.w3.org/2001/10/xml-exc-c14n#") gen.AddObjectRef2("xades-id-1234","sha256",xml2,"http://uri.etsi.org/01903#SignedProperties") // Provide a certificate + private key. (PFX password is test123) cert := chilkat.NewCert() success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123") if success != true { fmt.Println(cert.LastErrorText()) xmlToSign.DisposeXml() gen.DisposeXmlDSigGen() object1.DisposeXml() xml1.DisposeXml() xml2.DisposeXml() cert.DisposeCert() return } gen.SetX509Cert(cert,true) gen.SetKeyInfoType("X509Data") gen.SetX509Type("Certificate") // Load XML to be signed... sbXml := chilkat.NewStringBuilder() xmlToSign.GetXmlSb(sbXml) gen.SetBehaviors("IndentedSignature") // Sign the XML... success = gen.CreateXmlDSigSb(sbXml) if success != true { fmt.Println(gen.LastErrorText()) xmlToSign.DisposeXml() gen.DisposeXmlDSigGen() object1.DisposeXml() xml1.DisposeXml() xml2.DisposeXml() cert.DisposeCert() sbXml.DisposeStringBuilder() return } // ----------------------------------------------- // Save the signed XML to a file. success = sbXml.WriteFile("qa_output/signedXml.xml","utf-8",false) fmt.Println(*sbXml.GetAsString()) // ---------------------------------------- // Verify the signatures we just produced... verifier := chilkat.NewXmlDSig() success = verifier.LoadSignatureSb(sbXml) if success != true { fmt.Println(verifier.LastErrorText()) xmlToSign.DisposeXml() gen.DisposeXmlDSigGen() object1.DisposeXml() xml1.DisposeXml() xml2.DisposeXml() cert.DisposeCert() sbXml.DisposeStringBuilder() verifier.DisposeXmlDSig() return } numSigs := verifier.NumSignatures() verifyIdx := 0 for verifyIdx < numSigs { verifier.SetSelector(verifyIdx) verified := verifier.VerifySignature(true) if verified != true { fmt.Println(verifier.LastErrorText()) xmlToSign.DisposeXml() gen.DisposeXmlDSigGen() object1.DisposeXml() xml1.DisposeXml() xml2.DisposeXml() cert.DisposeCert() sbXml.DisposeStringBuilder() verifier.DisposeXmlDSig() return } verifyIdx = verifyIdx + 1 } fmt.Println("All signatures were successfully verified.") xmlToSign.DisposeXml() gen.DisposeXmlDSigGen() object1.DisposeXml() xml1.DisposeXml() xml2.DisposeXml() cert.DisposeCert() sbXml.DisposeStringBuilder() verifier.DisposeXmlDSig() |
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