Sample code for 30+ languages & platforms
Unicode C++

Client Certificate in REST (USB Token or Smartcard)

See more REST Examples

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.

Chilkat Unicode C++ Downloads

Unicode C++
#include <CkRestW.h>
#include <CkSocketW.h>
#include <CkCertW.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.

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

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

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

    success = cert.LoadFromSmartcard(L"");
    if (success != true) {
        wprintf(L"%s\n",cert.lastErrorText());
        return;
    }

    success = socket.SetSslClientCert(cert);
    if (success != true) {
        wprintf(L"%s\n",socket.lastErrorText());
        return;
    }

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

    bool bAutoReconnect = true;

    //  Use the connection:
    success = rest.UseConnection(socket,bAutoReconnect);
    if (success != true) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    //  At this point we are connected and can make REST calls...
    //  For example..
    const wchar_t *responseJson = rest.fullRequestNoBody(L"GET",L"/someQuery");
    if (rest.get_LastMethodSuccess() != true) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }
    }