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Unicode C

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 Unicode C Downloads

Unicode C
#include <C_CkPrivateKeyW.h>
#include <C_CkScMinidriverW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkPrivateKeyW privKey;
    HCkScMinidriverW scmd;
    const wchar_t *readerName;
    const wchar_t *pinId;
    int retval;

    success = FALSE;

    // 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:

    // (image:https://example-code.com/images/gemalto_idprime_md_t0.JPG/endImage)

    // 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.)
    privKey = CkPrivateKeyW_Create();
    success = CkPrivateKeyW_LoadPemFile(privKey,L"qa_data/rsa/rsaPrivKey_pkcs8.pem");
    if (success == FALSE) {
        wprintf(L"%s\n",CkPrivateKeyW_lastErrorText(privKey));
        CkPrivateKeyW_Dispose(privKey);
        return;
    }

    scmd = CkScMinidriverW_Create();

    // 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
    readerName = L"Alcor Micro USB Smart Card Reader 0";
    success = CkScMinidriverW_AcquireContext(scmd,readerName);
    if (success == FALSE) {
        wprintf(L"%s\n",CkScMinidriverW_lastErrorText(scmd));
        CkPrivateKeyW_Dispose(privKey);
        CkScMinidriverW_Dispose(scmd);
        return;
    }

    // If successful, the name of the currently inserted smart card is available:
    wprintf(L"Card name: %s\n",CkScMinidriverW_cardName(scmd));

    // 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
    pinId = L"user";
    retval = CkScMinidriverW_PinAuthenticate(scmd,pinId,L"0000");
    if (retval != 0) {
        wprintf(L"PIN Authentication failed.\n");
        CkScMinidriverW_DeleteContext(scmd);
        CkPrivateKeyW_Dispose(privKey);
        CkScMinidriverW_Dispose(scmd);
        return;
    }

    // Let's import into the "key exchange" position in key container #7.
    success = CkScMinidriverW_ImportKey(scmd,7,L"kex",privKey,L"user");
    if (success == FALSE) {
        wprintf(L"PIN Authentication failed.\n");
        CkScMinidriverW_DeleteContext(scmd);
        CkPrivateKeyW_Dispose(privKey);
        CkScMinidriverW_Dispose(scmd);
        return;
    }

    CkScMinidriverW_DeleteContext(scmd);

    wprintf(L"Success.\n");

    // Here's the MGTEK view of the smart card after importing the private key:
    // (image:https://example-code.com/images/gemalto_idprime_after_key_import.JPG/endImage)


    CkPrivateKeyW_Dispose(privKey);
    CkScMinidriverW_Dispose(scmd);

    }