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PHP Extension Requires Chilkat v11.0.0+

Use a Custom Set of Trusted Root Certificates

See more Certificates Examples

Demonstrates how to build a set of trusted root certificates to be used globally by all Chilkat classes.

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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.

$trustedRoots = new CkTrustedRoots();

//   Indicate that we will NOT trust any pre-installed certificates on the system.
$trustedRoots->put_TrustSystemCaRoots(false);

//  Thawte is a certificate authority that provides a .zip download of their
//  root CA certificates:  https://www.thawte.com/roots/index.html
//  The direct download link is: https://www.verisign.com/support/thawte-roots.zip
//  Note: The above URLs are valid at the time of writing this example (29-May-2015).

//  Assuming the .zip has already been downloaded, open it and load each .pem file into
//  our trusted roots object.
$zip = new CkZip();

//  Open a .zip containing PEM files, among other things..
$success = $zip->OpenZip('qa_data/certs/thawte-roots.zip');
if ($success == false) {
    print $zip->lastErrorText() . "\n";
    exit;
}

$entry = new CkZipEntry();

$cert = new CkCert();

$pattern = '*.pem';
$bHasMoreEntries = $zip->EntryMatching($pattern,$entry);
while ($bHasMoreEntries == true) {

    print 'Entry: ' . $entry->fileName() . "\n";

    //  Get the PEM of the CA cert:
    $pemStr = $entry->unzipToString(0,'utf-8');

    //  Load it into a certificate object:
    $success = $cert->LoadPem($pemStr);
    if ($success != true) {
        print $cert->lastErrorText() . "\n";
    }

    //  Add it to the trusted roots.
    $trustedRoots->AddCert($cert);

    $bHasMoreEntries = $entry->GetNextMatch($pattern);
}

//   Activate the trusted roots globally for all Chilkat objects.
//   This call really shouldn't fail, so we're not checking the return value.
$success = $trustedRoots->Activate();

?>