(Node.js) Find Certificate for Email Encryption

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

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var success;
    var mailman = new chilkat.MailMan();

    // Set the SMTP server.
    mailman.SmtpHost = "smtp.example.com";

    // Create a new email object
    var email = new chilkat.Email();

    email.Subject = "This email is encrypted";
    email.Body = "This is a digitally encrypted mail";
    email.From = "Joe <joe@example.com>";
    // Emails are encrypted using the recipient's certificate.
    var recipientEmailAddr = "jane@example2.com";
    email.AddTo("Jane",recipientEmailAddr);

    // Indicate that the email is to be sent encrypted.
    email.SendEncrypted = true;

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

    var cert = new chilkat.Cert();
    // 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) {
        console.log(cert.LastErrorText);
        return;
    }

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

    success = mailman.SendEmail(email);
    if (success !== true) {
        console.log(mailman.LastErrorText);
    }
    else {
        console.log("Encrypted Mail Sent!");
    }


}

chilkatExample();