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(.NET Core C#) Sign Italian SPID Metadata XMLDemonstrates how to create an XML digital signature for Italian SPID Metadata.
// This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. bool success = true; // Load the XML to be signed. Chilkat.StringBuilder sbXml = new Chilkat.StringBuilder(); success = sbXml.LoadFile("qa_data/xml_dsig/spid_metadata.xml","utf-8"); if (success == false) { Debug.WriteLine("Failed to load the input file."); return; } // The XML to sign contains XML such as this: // <?xml version="1.0" encoding="utf-8"?> // <md:EntityDescriptor xmlns:md="urn:oasis:names:tc:SAML:2.0:metadata" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" entityID="https://***.it" ID="_AE17AFFF-A600-49D5-B81D-76EEA55B50FF"> // <md:SPSSODescriptor protocolSupportEnumeration="urn:oasis:names:tc:SAML:2.0:protocol" AuthnRequestsSigned="true" WantAssertionsSigned="true"> // <md:KeyDescriptor use="signing"> // <ds:KeyInfo xmlns:ds="http://www.w3.org/2000/09/xmldsig#"> // <ds:X509Data> // <ds:X509Certificate>MIIF5...</ds:X509Certificate> // </ds:X509Data> // </ds:KeyInfo> // </md:KeyDescriptor> // <md:KeyDescriptor use="encryption"> // <ds:KeyInfo xmlns:ds="http://www.w3.org/2000/09/xmldsig#"> // <ds:X509Data> // <ds:X509Certificate>MIIF5...</ds:X509Certificate> // </ds:X509Data> // </ds:KeyInfo> // </md:KeyDescriptor> // <md:SingleLogoutService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="https://***.it/it-it/spid/logout"/> // <md:NameIDFormat>urn:oasis:names:tc:SAML:2.0:nameid-format:transient</md:NameIDFormat> // <md:AssertionConsumerService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="https://***.it/it-it/spid/loginresp" index="0" isDefault="true"/> // <md:AttributeConsumingService index="1"> // <md:ServiceName xml:lang="it">Servizi Online</md:ServiceName> // <md:ServiceDescription xml:lang="it">Accesso ai Servizi Online</md:ServiceDescription> // <md:RequestedAttribute Name="spidCode" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:basic"/> // <md:RequestedAttribute Name="name" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:basic"/> // <md:RequestedAttribute Name="familyName" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:basic"/> // <md:RequestedAttribute Name="fiscalNumber" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:basic"/> // </md:AttributeConsumingService> // </md:SPSSODescriptor> // <md:Organization> // <md:OrganizationName xml:lang="it">SomeCompany s.r.l.</md:OrganizationName> // <md:OrganizationDisplayName xml:lang="it">SomeCompany s.r.l.</md:OrganizationDisplayName> // <md:OrganizationURL xml:lang="it">https://***.it</md:OrganizationURL> // </md:Organization> // </md:EntityDescriptor> Chilkat.XmlDSigGen gen = new Chilkat.XmlDSigGen(); gen.SigLocation = "md:EntityDescriptor|md:SPSSODescriptor"; gen.SigLocationMod = 2; gen.SignedInfoCanonAlg = "EXCL_C14N"; gen.SignedInfoDigestMethod = "sha256"; // -------- Reference 1 -------- gen.AddSameDocRef("_AE17AFFF-A600-49D5-B81D-76EEA55B50FF","sha256","EXCL_C14N","",""); // Provide a certificate + private key. (PFX password is test123) Chilkat.Cert cert = new Chilkat.Cert(); success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123"); if (success != true) { Debug.WriteLine(cert.LastErrorText); return; } gen.SetX509Cert(cert,true); gen.KeyInfoType = "X509Data+KeyValue"; gen.X509Type = "Certificate"; gen.Behaviors = "IndentedSignature,ForceAddEnvelopedSignatureTransform,OmitAlreadyDefinedSigNamespace"; // Sign the XML... success = gen.CreateXmlDSigSb(sbXml); if (success != true) { Debug.WriteLine(gen.LastErrorText); return; } // ----------------------------------------------- // Save the signed XML to a file. success = sbXml.WriteFile("qa_output/signedXml.xml","utf-8",false); Debug.WriteLine(sbXml.GetAsString()); // ---------------------------------------- // Verify the signatures we just produced... Chilkat.XmlDSig verifier = new Chilkat.XmlDSig(); success = verifier.LoadSignatureSb(sbXml); if (success != true) { Debug.WriteLine(verifier.LastErrorText); return; } int numSigs = verifier.NumSignatures; int verifyIdx = 0; while (verifyIdx < numSigs) { verifier.Selector = verifyIdx; bool verified = verifier.VerifySignature(true); if (verified != true) { Debug.WriteLine(verifier.LastErrorText); return; } verifyIdx = verifyIdx + 1; } Debug.WriteLine("All signatures were successfully verified."); |
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