(MFC) Load PKCS12 / PFX and Access Contents

Loads a PKCS12 / PFX file and iterates over the contents which include private keys and certificates.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkPfx.h>
#include <CkPrivateKey.h>
#include <CkCert.h>

void ChilkatSample(void)
    {
    CkString strOut;

    CkPfx pfx;

    // Load the PKCS12 from a file
    bool success = pfx.LoadPfxFile("/someDir/my.p12","pfxFilePassword");
    if (success != true) {
        strOut.append(pfx.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    int numPrivateKeys = pfx.get_NumPrivateKeys();

    CkPrivateKey *privKey = 0;

    strOut.append("Private Keys:");
    strOut.append("\r\n");

    int i = 0;
    while (i < numPrivateKeys) {
        privKey = pfx.GetPrivateKey(i);

        // Do something with the private key ...

        delete privKey;
        i = i + 1;
    }

    CkCert *cert = 0;

    int numCerts = pfx.get_NumCerts();

    strOut.append("Certs:");
    strOut.append("\r\n");
    i = 0;
    while (i < numCerts) {
        cert = pfx.GetCert(i);
        strOut.append(cert->subjectDN());
        strOut.append("\r\n");

        // If the certificate has a private key (one of the private keys within the PFX)
        // then it can also be obtained via the certificate object:
        if (cert->HasPrivateKey() == true) {

            strOut.append("Has private key!");
            strOut.append("\r\n");

            privKey = cert->ExportPrivateKey();
            // ...
            delete privKey;
        }

        delete cert;
        i = i + 1;
    }



    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }