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(MFC) ScMinidriver - Acquire Context with Smart Card or USB Token

See more ScMinidriver Examples

Initializes communication with the card inserted in the given reader (or a USB token). Reader names can be discovered via the SCard.ListReaders or SCard.FindSmartcards methods. If successful, the Atr and CardName properties will be set.

Note: This functionality was introduced in Chilkat v9.5.0.87.

Note: The ScMinidriver functionality is for Windows-only because ScMinidriver DLLs only exist on Windows. In the next version, Chilkat will be releasing a Pkcs11 class to support Linux, MacOSX, and possibly other operating systems.

Chilkat C/C++ Library Downloads

MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#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.

    CkScMinidriver scmd;

    // 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";
    bool success = scmd.AcquireContext(readerName);
    if (success == false) {
        strOut.append(scmd.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

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

    // Also, the ATR of the inserted card is available (you will likely not need the ATR).
    strOut.append("ATR: ");
    strOut.append(scmd.atr());
    strOut.append("\r\n");

    // Also, the maximum number of key containers is readily available:
    strOut.append("Max number of key containers = ");
    strOut.appendInt(scmd.get_MaxContainers());
    strOut.append("\r\n");

    // Delete the context when finished with the card.
    success = scmd.DeleteContext();
    if (success == false) {
        strOut.append(scmd.lastErrorText());
        strOut.append("\r\n");
    }

    // Sample output:

    // Card name: IDPrime MD T=0
    // ATR: 3B7F96000080318065B0855956FB120FFE829000
    // Max number of key containers = 20


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }

 

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