(Unicode C++) Verify SSL Server Certificate

Demonstrates how to connect to an SSL server and verify its SSL certificate.

Note: This example requires Chilkat v11.0.0 or greater.

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#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.

    CkSocketW socket;

    bool ssl = true;
    int maxWaitMillisec = 20000;

    // The SSL server hostname may be an IP address, a domain name,
    // or "localhost". 
    const wchar_t *sslServerHost = 0;
    sslServerHost = L"www.paypal.com";
    int sslServerPort = 443;

    // Connect to the SSL server:
    success = socket.Connect(sslServerHost,sslServerPort,ssl,maxWaitMillisec);
    if (success == false) {
        wprintf(L"%s\n",socket.lastErrorText());
        return;
    }

    CkCertW cert;

    bool bExpired;
    bool bRevoked;
    bool bSignatureVerified;
    bool bTrustedRoot;

    success = socket.GetServerCert(cert);
    if (success != false) {

        wprintf(L"Server Certificate:\n");
        wprintf(L"Distinguished Name: %s\n",cert.subjectDN());
        wprintf(L"Common Name: %s\n",cert.subjectCN());
        wprintf(L"Issuer Distinguished Name: %s\n",cert.issuerDN());
        wprintf(L"Issuer Common Name: %s\n",cert.issuerCN());

        bExpired = cert.get_Expired();
        bRevoked = cert.get_Revoked();
        bSignatureVerified = cert.get_SignatureVerified();
        bTrustedRoot = cert.get_TrustedRoot();

        wprintf(L"Expired: %d\n",bExpired);
        wprintf(L"Revoked: %d\n",bRevoked);
        wprintf(L"Signature Verified: %d\n",bSignatureVerified);
        wprintf(L"Trusted Root: %d\n",bTrustedRoot);

    }

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