PHP Extension

Find Certificate for Email Encryption

Demonstrates finding the recipient's certificate in the Windows certificate store and using it to send encrypted email. 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.

$mailman = new CkMailMan();

// Set the SMTP server.
$mailman->put_SmtpHost('smtp.example.com');

// Create a new email object
$email = new CkEmail();

$email->put_Subject('This email is encrypted');
$email->put_Body('This is a digitally encrypted mail');
$email->put_From('Joe <joe@example.com>');
// Emails are encrypted using the recipient's certificate.
$recipientEmailAddr = 'jane@example2.com';
$email->AddTo('Jane',$recipientEmailAddr);

// Indicate that the email is to be sent encrypted.
$email->put_SendEncrypted(true);

// This example demonstrates finding the email encryption certificate
// on a Windows system where the certificate is stored in the Windows 
// certificate store.

$cert = new CkCert();
// The recipient's certificate is used to encrypt.
// (Because the recipient is the only one in possession of the private key to decrypt.)
$success = $cert->LoadByEmailAddress($recipientEmailAddr);
if ($success != true) {
    print $cert->lastErrorText() . "\n";
    exit;
}

// Specify the certificate to be used for encryption.
$success = $email->SetEncryptCert($cert);

$success = $mailman->SendEmail($email);
if ($success != true) {
    print $mailman->lastErrorText() . "\n";
}
else {
    print 'Encrypted Mail Sent!' . "\n";
}


?>