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PHP Extension

SSL Client Certificate

See more Socket/SSL/TLS Examples

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

Chilkat PHP Extension Downloads

PHP Extension
<?php

include("chilkat.php");

$success = false;

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

$socket = new CkSocket();

// 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.)
$certStore = new CkCertStore();
// The 1st argument is the filename, the 2nd arg is the 
// PFX file's password:
$success = $certStore->LoadPfxFile('chilkat_secret.pfx','secret');
if ($success != true) {
    print $certStore->lastErrorText() . "\n";
    exit;
}

// Find the certificate by the subject common name:
$jsonCN = new CkJsonObject();
$jsonCN->UpdateString('CN','cert common name');

$cert = new CkCert();
$success = $certStore->FindCert($jsonCN,$cert);
if ($success == false) {
    print $certStore->lastErrorText() . "\n";
    exit;
}

$success = $socket->SetSslClientCert($cert);

$ssl = true;
$maxWaitMillisec = 20000;

// The SSL server hostname may be an IP address, a domain name,
// or "localhost".  You'll need to change this:

$sslServerHost = '123.123.88.88';
$sslServerPort = 8123;

// Connect to the SSL server:
$success = $socket->Connect($sslServerHost,$sslServerPort,$ssl,$maxWaitMillisec);
if ($success != true) {
    print $socket->lastErrorText() . "\n";
    exit;
}

// 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) {
    print $socket->lastErrorText() . "\n";
    exit;
}

// The server (in this example) is going to send a "Hello Client! -EOM-" 
// message.  Read it:
$receivedMsg = $socket->receiveUntilMatch('-EOM-');
if ($socket->get_LastMethodSuccess() != true) {
    print $socket->lastErrorText() . "\n";
    exit;
}

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

print $receivedMsg . "\n";

?>