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MFC Examples

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(MFC) SSL Client Certificate

Demonstrates how to connect to an SSL server using a client-side certificate, send a simple message, receive a simple response, and disconnect.

Chilkat C/C++ Library Downloads

MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

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

void ChilkatSample(void)
    {
    CkString strOut;

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

    CkSocket socket;

    // Create an instance of a certificate store object, load a PFX file,
    // locate the certificate we need, and use it for signing.
    // (a PFX file may contain more than one certificate.)
    CkCertStore certStore;
    // The 1st argument is the filename, the 2nd arg is the 
    // PFX file's password:
    bool success = certStore.LoadPfxFile("chilkat_secret.pfx","secret");
    if (success != true) {
        strOut.append(certStore.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    CkCert *cert = 0;
    cert = certStore.FindCertBySubjectCN("Chilkat Software, Inc.");
    if (certStore.get_LastMethodSuccess() == false) {
        strOut.append(certStore.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    success = socket.SetSslClientCert(*cert);

    bool ssl = true;
    int maxWaitMillisec = 20000;

    // The SSL server hostname may be an IP address, a domain name,
    // or "localhost".  You'll need to change this:
    const char *sslServerHost = 0;
    sslServerHost = "123.123.88.88";
    int sslServerPort = 8123;

    // Connect to the SSL server:
    success = socket.Connect(sslServerHost,sslServerPort,ssl,maxWaitMillisec);
    if (success != true) {
        strOut.append(socket.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Set maximum timeouts for reading an writing (in millisec)
    socket.put_MaxReadIdleMs(20000);
    socket.put_MaxSendIdleMs(20000);

    // Send a "Hello Server! -EOM-" message:
    success = socket.SendString("Hello Server! -EOM-");
    if (success != true) {
        strOut.append(socket.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // The server (in this example) is going to send a "Hello Client! -EOM-" 
    // message.  Read it:
    const char *receivedMsg = socket.receiveUntilMatch("-EOM-");
    if (socket.get_LastMethodSuccess() != true) {
        strOut.append(socket.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Close the connection with the server
    // Wait a max of 20 seconds (20000 millsec)
    success = socket.Close(20000);

    strOut.append(receivedMsg);
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }

 

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