PFX to PEM (Certificate and Private Key Files)

Export a certificate and private key from a PFX to a pair of PEM files.

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

//  Load the PFX file into a certificate store object
string password;
password = "myPassword";
success = certStore.LoadPfxFile("chilkat.pfx",password);
if (success != true) {
    MessageBox.Show(certStore.LastErrorText);
    return;
}

//  Find the cert to be exported by the subject:
Chilkat.Cert cert = null;
cert = certStore.FindCertBySubject("Chilkat Software, Inc.");
if (cert == null ) {
    MessageBox.Show("Certificate not found.");
    return;
}

//  Does this cert have a private key?
if (cert.HasPrivateKey() == true) {

    //  Get the private key.
    Chilkat.PrivateKey pvkey = null;
    pvkey = cert.ExportPrivateKey();

    //   Export the private key to a PEM file:
    success = pvkey.SaveRsaPemFile("chilkat_pkey.pem");
    if (success != true) {
        MessageBox.Show(pvkey.LastErrorText);
        return;
    }

}

//  Save the cert to a PEM file:
success = cert.ExportCertPemFile("chilkat_cert.pem");
if (success != true) {
    MessageBox.Show(cert.LastErrorText);
    return;
}