.NET Core C#

Load Base64-encoded X.509 Certificate (.cer)

See more Certificates Examples

Loads a digital certificate from a base64 encoded DER X.509 Certificate (.cer, .crt) and fetches information about the cert. .NET Core C#

bool success = false;

Chilkat.Cert cert = new Chilkat.Cert();

// LoadFromFile will load virtually any certificate format file.
// It will auto-recognize the format and load appropiately.
// A base64-encoded DER X.509 certificate file
// contains the binary DER in base64 encoded form.
// Therefore, it is a text file that will begin like this:
// -----BEGIN CERTIFICATE-----
// MIIFbjCCBFagAwIBAgIGdDPNv/L0MA0GCSqGSIb3DQEBBQUAMIHKMQswCQYDVQQG
// EwJVUzEQMA4GA1UECBMHQXJpem9uYTETMBEGA1UEBxMKU2NvdHRzZGFsZTEaMBgG
// ...

success = cert.LoadFromFile("/Users/chilkat/testData/cer/chilkat_base64.cer");
if (success != true) {
    Debug.WriteLine(cert.LastErrorText);
    return;
}

// DN = "Distinguished Name"
Debug.WriteLine("SubjectDN:" + cert.SubjectDN);

Debug.WriteLine("Common Name:" + cert.SubjectCN);
Debug.WriteLine("Issuer Common Name:" + cert.IssuerCN);

Debug.WriteLine("Serial Number:" + cert.SerialNumber);