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Node.js

Add S/MIME Signature using PFX

See more MIME Examples

Add a digital signature to a MIME message using the certificate + private key from a PFX file.

Chilkat Node.js Downloads

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.

    var mime = new chilkat.Mime();

    // Load a PFX file into a certificate object.
    var cert = new chilkat.Cert();
    var pfxFilepath = "pfxFiles/something.pfx";
    var pfxPassword = "secret";
    success = cert.LoadPfxFile(pfxFilepath,pfxPassword);
    if (success == false) {
        console.log(cert.LastErrorText);
        return;
    }

    success = mime.SetBodyFromPlainText("This is the plain-text MIME body.");

    mime.Charset = "utf-8";
    mime.Encoding = "quoted-printable";

    // Sign the MIME (adds a PKCS7 detached signature)
    success = mime.AddDetachedSignature(cert);
    if (success == false) {
        console.log(mime.LastErrorText);
        return;
    }

    // Save the S/MIME to a file.
    success = mime.SaveMime("/temp/signedMime.txt");
    if (success == false) {
        console.log(mime.LastErrorText);
        return;
    }

    console.log("success!");

}

chilkatExample();