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C++

PC/SC List Smart Card Readers (and USB Tokens)

See more SCard Examples

Demonstrates how to list the smart card readers and USB tokens connected to the computer.

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

Chilkat C++ Downloads

C++
#include <CkSCard.h>
#include <CkStringTable.h>

void ChilkatSample(void)
    {
    bool success = false;

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

    CkSCard scard;

    //  First establish a context to the PC/SC Resource Manager
    success = scard.EstablishContext("user");
    if (success == false) {
        std::cout << scard.lastErrorText() << "\r\n";
        return;
    }

    CkStringTable stReaders;
    success = scard.ListReaders(stReaders);
    if (success == false) {
        std::cout << scard.lastErrorText() << "\r\n";
        return;
    }

    int numReaders = stReaders.get_Count();
    int i = 0;
    while (i < numReaders) {
        std::cout << i << ": " << stReaders.stringAt(i) << "\r\n";
        i = i + 1;
    }

    //  Sample output:
    //  0: Alcor Micro USB Smart Card Reader 0
    //  1: FS USB Token 0
    //  2: FT Java Token 0
    //  3: SCM Microsystems Inc. SCR33x USB Smart Card Reader 0
    //  4: Yubico YubiKey OTP+FIDO+CCID 0

    //  Applications should always release the context when finished.
    success = scard.ReleaseContext();
    if (success == false) {
        std::cout << scard.lastErrorText() << "\r\n";
    }
    }