Load Certificate from PFX (PKCS#12)

Loads a digital certificate (and private key, if available) from a PFX file.(also known as PKCS#12)

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

    CkString strOut;

    CkCert cert;

    bool success;

    //  Load from the PFX file
    const char * pfxFilename;
    pfxFilename = "/Users/chilkat/testData/pfx/chilkat_ssl_pwd_is_test.pfx";
    const char * pfxPassword;
    pfxPassword = "test";

    //  A PFX typically contains certificates in the chain of authentication.
    //  The Chilkat cert object will choose the certificate w/
    //  private key farthest from the root authority cert.
    //  To access all the certificates in a PFX, use the
    //  Chilkat certificate store object instead.
    success = cert.LoadPfxFile(pfxFilename,pfxPassword);
    if (success != true) {
        strOut.append(cert.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  Get some information about the digital certificate,
    //  then get the private key...

    //  DN = "Distinguished Name"
    strOut.append("SubjectDN:");
    strOut.append(cert.subjectDN());
    strOut.append("\r\n");

    strOut.append("Common Name:");
    strOut.append(cert.subjectCN());
    strOut.append("\r\n");
    strOut.append("Issuer Common Name:");
    strOut.append(cert.issuerCN());
    strOut.append("\r\n");

    strOut.append("Serial Number:");
    strOut.append(cert.serialNumber());
    strOut.append("\r\n");

    //  Now for the private key...
    CkPrivateKey *privKey = 0;

    privKey = cert.ExportPrivateKey();
    if (privKey == 0 ) {
        strOut.append(cert.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  The private key object may be used in any Chilkat methods
    //  (in other objects/classes) that expect a private key argument.

    //  In this case, save the private key to a PKCS8 Encrypted PEM format file:
    const char * pemPassword;
    pemPassword = "secret";
    const char * pemPath;
    pemPath = "/Users/chilkat/testData/pem/chilkat_privKey.pem";
    success = privKey->SavePkcs8EncryptedPemFile(pemPassword,pemPath);
    if (success != true) {
        strOut.append(privKey->lastErrorText());
        strOut.append("\r\n");
        delete privKey;
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    delete privKey;
    strOut.append("Private key saved to PKCS8 Encrypted PEM...");
    strOut.append("\r\n");



    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());