(Node.js) Create CAdES-BES .p7m for FatturaPA XML Invoice

Demonstrates how to create a CAdES BES invoice.xml.p7m for the Italian FatturaPA exchange system.

Note: This example requires Chilkat v9.5.0.75.

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

var os = require('os');
if (os.platform() == 'win32') {  
  var chilkat = require('@chilkat/ck-node23-win64'); 
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node23-linux-arm');
    } else if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node23-linux-arm64');
    } else {
        var chilkat = require('@chilkat/ck-node23-linux-x64');
    }
} else if (os.platform() == 'darwin') {
  var chilkat = require('@chilkat/ck-node23-mac-universal');
}

function chilkatExample() {

    // Note: Requires Chilkat v9.5.0.75 or greater.

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

    var crypt = new chilkat.Crypt2();

    // Use a digital certificate and private key from a PFX file (.pfx or .p12).
    var pfxPath = "qa_data/pfx/cert_test123.pfx";
    var pfxPassword = "test123";

    var cert = new chilkat.Cert();
    var success = cert.LoadPfxFile(pfxPath,pfxPassword);
    if (success !== true) {
        console.log(cert.LastErrorText);
        return;
    }

    // Provide the signing cert (with associated private key).
    success = crypt.SetSigningCert(cert);
    if (success !== true) {
        console.log(crypt.LastErrorText);
        return;
    }

    // Indicate that SHA-256 should be used.
    crypt.HashAlgorithm = "sha256";

    // Specify the signed attributes to be included.
    // (This is what makes it CAdES-BES compliant.)
    var jsonSignedAttrs = new chilkat.JsonObject();
    jsonSignedAttrs.UpdateInt("contentType",1);
    jsonSignedAttrs.UpdateInt("signingTime",1);
    jsonSignedAttrs.UpdateInt("messageDigest",1);
    jsonSignedAttrs.UpdateInt("signingCertificateV2",1);
    crypt.SigningAttributes = jsonSignedAttrs.Emit();

    var inFile = "qa_data/xml/IT01234567890_11002.xml";
    var sigFile = "qa_output/IT01234567890_11002.xml.p7m";

    // Create the CAdES-BES signature, which contains the original data.
    success = crypt.CreateP7M(inFile,sigFile);
    if (success == false) {
        console.log(crypt.LastErrorText);
        return;
    }

    console.log("Success.");

}

chilkatExample();