(Node.js) Load Certificate from PFX (PKCS#12)

Loads a digital certificate (and private key, if available) from a PFX file.(also known as PKCS#12)

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 cert = new chilkat.Cert();

    var success;

    // Load from the PFX file
    var pfxFilename = "/Users/chilkat/testData/pfx/chilkat_ssl_pwd_is_test.pfx";
    var pfxPassword = "test";

    // A PFX typically contains certificates in the chain of authentication.
    // The Chilkat cert object will choose the certificate w/
    // private key farthest from the root authority cert.
    // To access all the certificates in a PFX, use the 
    // Chilkat certificate store object instead.
    success = cert.LoadPfxFile(pfxFilename,pfxPassword);
    if (success !== true) {
        console.log(cert.LastErrorText);
        return;
    }

    // Get some information about the digital certificate, 
    // then get the private key...

    // DN = "Distinguished Name"
    console.log("SubjectDN:" + cert.SubjectDN);

    console.log("Common Name:" + cert.SubjectCN);
    console.log("Issuer Common Name:" + cert.IssuerCN);

    console.log("Serial Number:" + cert.SerialNumber);

    // Now for the private key...
    // privKey: PrivateKey
    var privKey;

    privKey = cert.ExportPrivateKey();
    if (cert.LastMethodSuccess == false) {
        console.log(cert.LastErrorText);
        return;
    }

    // The private key object may be used in any Chilkat methods
    // (in other objects/classes) that expect a private key argument.

    // In this case, save the private key to a PKCS8 Encrypted PEM format file:
    var pemPassword = "secret";
    var pemPath = "/Users/chilkat/testData/pem/chilkat_privKey.pem";
    success = privKey.SavePkcs8EncryptedPemFile(pemPassword,pemPath);
    if (success !== true) {
        console.log(privKey.LastErrorText);

        return;
    }

    console.log("Private key saved to PKCS8 Encrypted PEM...");

}

chilkatExample();