(MFC) ScMinidriver - Import Private Key to Smart Card

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Demonstrates how to import a private key to the "signature" or "key exchange" location in the Nth key container on a smart card.

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

See Also: Using MFC CString in Chilkat

#include <CkPrivateKey.h>
#include <CkScMinidriver.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // Chilkat recommends the following free tool for interactively examining the contents of your smart card
    // through the ScMinidriver interface:  MGTEK Tool for Minidriver enabled Smart Cards

    // Let's first look at our smart card before importing a private key.
    // Here's the view of our Gemalto (Thales) IDPrime MD T=0 smart card in the MGTEK tool:

    

    // First let's load a private key into the Chilkat private key object.
    // (Chilkat provides the ability to load private keys from many different sources and formats.
    // this example loads from a PEM file.)
    CkPrivateKey privKey;
    bool success = privKey.LoadPemFile("qa_data/rsa/rsaPrivKey_pkcs8.pem");
    if (success == false) {
        strOut.append(privKey.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    CkScMinidriver scmd;

    // First we need to acquire a context to the smart card in the reader where it is inserted.
    // Reader names (smart card readers or USB tokens) can be discovered
    // via List Readers or Find Smart Cards
    const char *readerName = "Alcor Micro USB Smart Card Reader 0";
    success = scmd.AcquireContext(readerName);
    if (success == false) {
        strOut.append(scmd.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // If successful, the name of the currently inserted smart card is available:
    strOut.append("Card name: ");
    strOut.append(scmd.cardName());
    strOut.append("\r\n");

    // To import a private key, we'll need to be PIN authenticated.
    // For more details about smart card PIN authentication, see the Smart Card PIN Authentication Example
    const char *pinId = "user";
    int retval = scmd.PinAuthenticate(pinId,"0000");
    if (retval != 0) {
        strOut.append("PIN Authentication failed.");
        strOut.append("\r\n");
        scmd.DeleteContext();
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Let's import into the "key exchange" position in key container #7.
    success = scmd.ImportKey(7,"kex",privKey,"user");
    if (success == false) {
        strOut.append("PIN Authentication failed.");
        strOut.append("\r\n");
        scmd.DeleteContext();
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    scmd.DeleteContext();

    strOut.append("Success.");
    strOut.append("\r\n");

    // Here's the MGTEK view of the smart card after importing the private key:
    


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }