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(.NET Core C#) Subject Alternative NameDemonstrates the usage of the SubjectAlternativeName property to get the certificate SAN (subject alternative name) as XML.
// Note: Not all certificates contain a Subject Alternative Name. // If it does not, the SubjectAlternativeName property will contain the empty string. Chilkat.Cert cert = new Chilkat.Cert(); bool success = cert.LoadFromFile("qa_data/certs/testIcpBrasil.cer"); if (success == false) { Debug.WriteLine(cert.LastErrorText); return; } string subjectAltNameXml = cert.SubjectAlternativeName; Debug.WriteLine(subjectAltNameXml); // Here's a sample of the subjectAltNameXml: // <?xml version="1.0" encoding="utf-8"?> // <SubjectAltName> // <name type="oid" oid="2.16.76.1.3.4">...</name> // <name type="oid" oid="2.16.76.1.3.2">...</name> // <name type="oid" oid="2.16.76.1.3.3">...</name> // <name type="oid" oid="2.16.76.1.3.7">...</name> // <rfc822Name>...</rfc822Name> // </SubjectAltName> // The XML can be parsed like this: Chilkat.Xml xml = new Chilkat.Xml(); xml.LoadXml(subjectAltNameXml); string oid; string name; int i = 0; int count_i = xml.NumChildrenHavingTag("name"); while (i < count_i) { xml.I = i; oid = xml.ChilkatPath("name[i]|(oid)"); name = xml.GetChildContent("name[i]"); i = i + 1; } string rfc822Name = xml.GetChildContent("rfc822Name"); |
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