(Node.js) Load PKCS12 / PFX and Access Contents

Loads a PKCS12 / PFX file and iterates over the contents which include private keys and certificates.

Note: This example requires Chilkat v11.0.0 or greater.

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() {

    var success = false;

    var pfx = new chilkat.Pfx();

    // Load the PKCS12 from a file
    success = pfx.LoadPfxFile("/someDir/my.p12","pfxFilePassword");
    if (success == false) {
        console.log(pfx.LastErrorText);
        return;
    }

    var numPrivateKeys = pfx.NumPrivateKeys;

    var privKey = new chilkat.PrivateKey();

    console.log("Private Keys:");

    var i = 0;
    while (i < numPrivateKeys) {
        pfx.PrivateKeyAt(i,privKey);

        // Do something with the private key ...

        i = i+1;
    }

    var cert = new chilkat.Cert();

    var numCerts = pfx.NumCerts;

    console.log("Certs:");
    i = 0;
    while (i < numCerts) {
        pfx.CertAt(i,cert);
        console.log(cert.SubjectDN);

        // If the certificate has a private key (one of the private keys within the PFX)
        // then it can also be obtained via the certificate object:
        if (cert.HasPrivateKey() == true) {

            console.log("Has private key!");

            success = cert.GetPrivateKey(privKey);
            // ...

        }

        i = i+1;
    }


}

chilkatExample();