Node.js

Send Encrypted Email using RSAES-OAEP with AES-128 CBC and SHA256

See more SMTP Examples

Demonstrates how to send encrypted email using RSAES-OAEP with SHA256 and AES-128 content encryption.

Note: This example requires Chilkat v9.5.0.67 or greater.

Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    // Load an RSA-based certificate.
    // (Encrypting an email only requires the public key.  Decrypting an email requires the private key.)
    var cert = new chilkat.Cert();
    success = cert.LoadFromFile("qa_data/rsaes-oaep/cert.pem");
    if (success !== true) {
        console.log(cert.LastErrorText);
        return;
    }

    var email = new chilkat.Email();

    // Create a simple email.
    email.Subject = "Sample RSAES-OAEP Encrypted Email";
    email.Body = "Sample RSAES-OAEP Encrypted Email";
    email.From = "support@chilkatsoft.com";

    // Add a recipient.
    // (The email is encrypted using the recipient's certificate.
    // If sending to multiple recipients, then the AddEncryptCert method would
    // need to be called once for each recipient's certificate.)
    email.AddTo("Chilkat GMail","chilkat.support@gmail.com");

    // Set the email object properties to indicate the desired encryption.
    email.Pkcs7CryptAlg = "aes";
    // If AES-256 is desired, set the following property to 256.
    email.Pkcs7KeyLength = 128;
    email.OaepPadding = true;
    // Other choices for the OAEP hash algorithm are "sha1", "sha384", and "sha512"
    email.OaepHash = "sha256";

    // Provide the certificate to be used for encryption
    email.AddEncryptCert(cert);

    // Don't forget to indicate that the email should be encrypted when sent..
    email.SendEncrypted = true;

    // The mailman object will do the RSAES-OAEP encryption when sending.
    var mailman = new chilkat.MailMan();

    // Set the SMTP settings for your email account on your mail server.
    mailman.SmtpUsername = "SMTP_LOGIN";
    mailman.SmtpPassword = "SMTP_PASSWORD";
    mailman.SmtpHost = "MY_SMTP_DOMAIN_OR_IP";
    mailman.SmtpPort = 587;
    mailman.StartTLS = true;

    // Send the email.  The mailman will encrypt the email as directed by the 
    // property settings of the email object.
    success = mailman.SendEmail(email);
    if (success !== true) {
        console.log(mailman.LastErrorText);
        return;
    }

    success = mailman.CloseSmtpConnection();
    if (success !== true) {
        console.log("Connection to SMTP server not closed cleanly.");
    }

    console.log("Mail Sent!");

    // -----------------------------------------------------------
    // This is an example of an RSAES-OAEP encrypted email
    // -----------------------------------------------------------

    // MIME-Version: 1.0
    // Date: Thu, 27 Apr 2017 08:43:32 -0500
    // Message-ID: <772DC039F0259C474BAC60240EA2BA2272402308@CHILKAT13>
    // Content-Type: application/pkcs7-mime; name="smime.p7m"; smime-type="enveloped-data"
    // Content-Transfer-Encoding: base64
    // X-Priority: 3 (Normal)
    // Subject: Sample RSAES-OAEP Encrypted Email
    // From: support@chilkatsoft.com
    // To: "Chilkat GMail" <chilkat.support@gmail.com>
    // Content-Disposition: attachment; filename="smime.p7m"
    // 
    // MIICWQYJKoZIhvcNAQcDoIICSjCCAkYCAQAxggGgMIIBnAIBADB1MGgxCzAJBgNVBAYTAlVTMQsw
    // CQYDVQQIDAJJTDEQMA4GA1UEBwwHV2hlYXRvbjEhMB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0cyBQ
    // dHkgTHRkMRcwFQYDVQQDDA5DaGlsa2F0V2lkZ2V0cwIJAMRwugDmvniwMBwGCSqGSIb3DQEBBzAP
    // oA0wCwYJYIZIAWUDBAIBBIIBABr0E1dKJjK0FAYRz/NCtJmBeB0nUxgcuBnhGPI/UeyGub3cCo+K
    // G5F4/iVTBJqVvYIF5+fvBnyTginwv7OiUiFWLyihiFC3NIyZJO22+XMHpNatCffTPZk10WswkTgk
    // G3ApnRvGQAaldnFD0Hs8drPU4vBvY9QsjT7YDGa6u2NMX+sr1ewEZArqU0mNfJ6RsEYd5FQbFEVF
    // qLmnz8Dt+yhoJlUtfUd8TXIeqHRJ7RxKOTSzlBZaAdTv2QX4oL9IcAgZeTg5iw+yRPkSAwWyg+I/
    // 7fybLsUpRGDHTGUU+AvHvP0kYKa1mkvccBVEC/+4hEyhpS1tWIR5ByY6vM76Z+8wgZwGCSqGSIb3
    // DQEHATAdBglghkgBZQMEAQIEEKqD0YDHX1NsVDaV32UczpeAcLteQyRPTV4hATjwcPiVelPfeWNs
    // xZKRGaEBqLM8+Y+V4ciCFoOlgJuOcP4m1PTHyilfzd+SCsKz5l1C7+sfPf36n2aacX6IWga59Bz5
    // QbWrOHDUT7O5PnGwKVgQFw3Cj4GrdPGWKcoqxB0HuKnj3WA=

}

chilkatExample();