PHP Extension

Convert to DER encoded X.509 Certificate (.cer, .crt)

See more Certificates Examples

Loads a digital certificate from any format and saves to a binary DER encoded X.509 Certificate (.cer, .crt). PHP Extension

<?php

include("chilkat.php");

$success = false;

$cert = new CkCert();

// LoadFromFile will load virtually any certificate format file.
// It will auto-recognize the format and load appropiately.
// In this case, load a PEM format certificate and convert to DER.
$success = $cert->LoadFromFile('/Users/chilkat/testData/pem/chilkat.pem');
if ($success != true) {
    print $cert->lastErrorText() . "\n";
    exit;
}

$success = $cert->ExportCertDerFile('chilkat.der');
if ($success != true) {
    print $cert->lastErrorText() . "\n";
    exit;
}

print 'Converted certificate from PEM to DER format.' . "\n";

?>