(PHP ActiveX) Load DER encoded X.509 Certificate (.cer, .crt)

Loads a digital certificate from a binary DER encoded X.509 Certificate (.cer, .crt) and fetches information about the cert.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Cert')
$cert = new COM("Chilkat.Cert");

// LoadFromFile will load virtually any certificate format file.
// It will auto-recognize the format and load appropiately.
$success = $cert->LoadFromFile('/Users/chilkat/testData/cer/chilkat_ssl.cer');
if ($success != 1) {
    print $cert->LastErrorText . "\n";
    exit;
}

// DN = "Distinguished Name"
print 'SubjectDN:' . $cert->SubjectDN . "\n";

print 'Common Name:' . $cert->SubjectCN . "\n";
print 'Issuer Common Name:' . $cert->IssuerCN . "\n";

print 'Serial Number:' . $cert->SerialNumber . "\n";

?>