Unicode C

ScMinidriver - Delete Smart Card Key Container

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Demonstrates how to delete the contents of a key container on a smart card (or USB token). Unicode C

#include <C_CkScMinidriverW.h>

void ChilkatSample(void)
    {
    BOOL success;
    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..
    // Here's the view of the card we happen to be using: a Gemalto (Thales) IDPrime MD T=0 smart card.

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

    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));
        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 delete the contents of a key container, 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);
        CkScMinidriverW_Dispose(scmd);
        return;
    }

    // Let's delete the contents of key container #7
    // This deletes both keys (signature key and "key exchange" key) that might be present in the key container.
    // (It is not possible to delete just one or the other.)
    success = CkScMinidriverW_DeleteKeyContainer(scmd,7);
    if (success == FALSE) {
        wprintf(L"%s\n",CkScMinidriverW_lastErrorText(scmd));
        CkScMinidriverW_DeleteContext(scmd);
        CkScMinidriverW_Dispose(scmd);
        return;
    }

    CkScMinidriverW_DeleteContext(scmd);
    wprintf(L"Successfully delete the contents of key container #7\n");


    CkScMinidriverW_Dispose(scmd);

    }