PHP

Use Installed Cert on Windows for TLS Client Authentication

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Demonstrates how to use a certificate that has already been installed on a Windows PC for TLS client authentication. Chilkat2 PHP

<?php

use Chilkat2\Cert;
use Chilkat2\Http;

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

$http = new Http();

// On Windows, a pre-installed certificate can be loaded in a number of different ways.
// This example loads by the common name:
$cert = new Cert();
try {
    $cert->LoadByCommonName('My ECA Medium Assurance Identity Certificate');
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

// Make sure this certificate has a private key available.
// It should be a private key such that when the certificate was installed, it was marked as "exportable"
// so that authorized programs are able to access the private key.
if (!$cert->HasPrivateKey()) {
    echo "A private key is needed for TLS client authentication.\n";
    echo "This certificate has no private key.\n";
    exit;
}

// Set the certificate to be used for mutual TLS authentication
// (i.e. sets the client-side certificate for two-way TLS authentication)
try {
    $http->SetSslClientCert($cert);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

// At this point, the HTTP object instance is setup with the client-side cert, and any SSL/TLS
// connection will automatically use it if the server demands a client-side cert.