(PHP ActiveX) Find a Certificate by it's SHA-1 Thumbprint

See more Cert Store Examples

Note: This example requires Chilkat v10.1.2 or later.

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.CertStore')
$certStore = new COM("Chilkat.CertStore");

$thumbprint = '12c1dd8015f3f03f7b1fa619dc24e2493ca8b4b2';

// This opens the Current User certificate store on Windows,
// On MacOS and iOS it opens the default Keychain.
$bReadOnly = 1;
$success = $certStore->OpenCurrentUserStore($bReadOnly);
if ($success == 0) {
    print $certStore->LastErrorText . "\n";
    exit;
}

// Find the certificate having a specific SHA1 thumbprint.
// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject')
$json = new COM("Chilkat.JsonObject");
$json->UpdateString('thumbprint',$thumbprint);

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Cert')
$cert = new COM("Chilkat.Cert");
$success = $certStore->FindCert($json,$cert);
if ($success == 0) {
    print 'Failed to find the certificate.' . "\n";
    exit;
}

print 'Found: ' . $cert->SubjectCN . "\n";

// -------------------------------------------------------------------------------------
// Alternatively, one could load a certificate store object with certs from a PEM file,
// and do the same thing..
// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.CertStore')
$certStorePem = new COM("Chilkat.CertStore");

$success = $certStorePem->LoadPemFile('pemFiles/certificates.pem');
if ($success == 0) {
    print $certStorePem->LastErrorText . "\n";
    exit;
}

$success = $certStore->FindCert($json,$cert);
if ($success == 0) {
    print 'Failed to find the certificate.' . "\n";
    exit;
}

print 'Found: ' . $cert->SubjectCN . "\n";

?>