(C#) Find Certificate by Subject OU (Organizational Unit)

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Demonstrates how to find a certificate having the specified subject organizational unit (OU).

Note: Requires Chilkat v10.1.2 or later.

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Chilkat.CertStore certStore = new Chilkat.CertStore();

// This opens the Current User certificate store on Windows,
// On MacOS and iOS it opens the default Keychain.
bool readOnly = false;
bool success = certStore.OpenCurrentUserStore(readOnly);
if (success == false) {
    Debug.WriteLine(certStore.LastErrorText);
    return;
}

// Find the certificate having a Subject OU = "Secretaria da Receita Federal do Brasil - RFB".
Chilkat.JsonObject json = new Chilkat.JsonObject();
string ou = "Secretaria da Receita Federal do Brasil - RFB";
json.UpdateString("OU",ou);

Chilkat.Cert cert = new Chilkat.Cert();
success = certStore.FindCert(json,cert);
if (success == true) {
    // Show the full distinguished name of the certificate.
    Debug.WriteLine("Found: " + cert.SubjectDN);
}
else {
    Debug.WriteLine("Not found.");
}