(C++) Client Certificate in REST (USB Token or Smartcard)

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Demonstrates how to use a client certificate with a REST connection where the certificate and private key are located on a USB token or smart card.

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#include <CkRest.h>
#include <CkSocket.h>
#include <CkCert.h>

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

    // This example shows how to use the Chilkat socket object's connection.
    CkRest rest;
    CkSocket socket;

    // Set the certificate to be used for mutual TLS authentication
    CkCert cert;

    // If the smartcard or token requires a PIN...
    cert.put_SmartCardPin("000000");

    bool success = cert.LoadFromSmartcard("");
    if (success != true) {
        std::cout << cert.lastErrorText() << "\r\n";
        return;
    }

    success = socket.SetSslClientCert(cert);
    if (success != true) {
        std::cout << socket.lastErrorText() << "\r\n";
        return;
    }

    // Establish the connection using the socket object (with client certificate authentication).
    bool bTls = true;
    int port = 443;
    int maxWaitMs = 5000;
    success = socket.Connect("www.example.com",port,bTls,maxWaitMs);
    if (success != true) {
        std::cout << "Connect Failure Error Code: " << socket.get_ConnectFailReason() << "\r\n";
        std::cout << socket.lastErrorText() << "\r\n";
        return;
    }

    bool bAutoReconnect = true;

    // Use the connection:
    success = rest.UseConnection(socket,bAutoReconnect);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    // At this point we are connected and can make REST calls...
    // For example..
    const char *responseJson = rest.fullRequestNoBody("GET","/someQuery");
    if (rest.get_LastMethodSuccess() != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }
    }