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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// Needs #include <CkCertStore.h>
// Needs #include <CkCert.h>
// Needs #include <CkPrivateKey.h>

    CkString strOut;

    bool success;
    CkCertStore certStore;

    //  Load the PFX file into a certificate store object
    const char * password;
    password = "myPassword";
    success = certStore.LoadPfxFile("chilkat.pfx",password);
    if (success != true) {
        strOut.append(certStore.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  Find the cert to be exported by the subject:
    CkCert *cert = 0;
    cert = certStore.FindCertBySubject("Chilkat Software, Inc.");
    if (cert == 0 ) {
        strOut.append("Certificate not found.\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

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

        //  Get the private key.
        CkPrivateKey *pvkey = 0;
        pvkey = cert->ExportPrivateKey();

        //   Export the private key to a PEM file:
        success = pvkey->SaveRsaPemFile("chilkat_pkey.pem");
        if (success != true) {
            strOut.append(pvkey->lastErrorText());
            strOut.append("\r\n");
            SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
            return;
        }

        delete pvkey;

    }

    //  Save the cert to a PEM file:
    success = cert->ExportCertPemFile("chilkat_cert.pem");
    if (success != true) {
        strOut.append(cert->lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    delete cert;



    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());