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

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

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() {

    var pfx = new chilkat.Pfx();

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

    var numPrivateKeys = pfx.NumPrivateKeys;

    // privKey: PrivateKey
    var privKey;

    console.log("Private Keys:");

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

        // Do something with the private key ...

        i = i+1;
    }

    // cert: Cert
    var cert;

    var numCerts = pfx.NumCerts;

    console.log("Certs:");
    i = 0;
    while (i < numCerts) {
        cert = pfx.GetCert(i);
        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!");

            privKey = cert.ExportPrivateKey();
            // ...

        }

        i = i+1;
    }


}

chilkatExample();