(Node.js) Convert PEM to JKS (Java KeyStore)

Converts a PEM containing private key(s) and certificates into a JKS (Java KeyStore) formatted file.

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() {

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

    // The Chilkat PEM class was introduced in v9.5.0.49.  
    // It requires the bundle to be unlocked, as shown above.
    var pem = new chilkat.Pem();

    // Load the PEM from a file.
    // If the PEM is encrypted, provide a password.  Otherwise pass an empty string for the password.
    var password = "myPassword";
    var success = pem.LoadPemFile("../myPemFiles/myPem.pem",password);
    if (success !== true) {
        console.log(pem.LastErrorText);
        return;
    }

    // Note: If the app already has the PEM pre-loaded in a string variable, then load it 
    // by calling LoadPem instead.  
    var pemContent = "... the PEM contents ...";
    success = pem.LoadPem(pemContent,password);
    // Check for success as before..

    // Convert to a JavaKeyStore object.
    // The alias, if a non-empty string, will be applied to the 1st private key or 
    // certificate.  All other keys and/or certificates will be assigned an auto-generated
    // alias.
    var alias = "anything_I_want_here";

    // This is the passord that will be required to access the created JKS.
    var jksPassword = "myJksSecret";
    // jks: JavaKeyStore
    var jks = pem.ToJks(alias,jksPassword);
    if (pem.LastMethodSuccess == false) {
        console.log(pem.LastErrorText);
        return;
    }

    // Save the JKS to a file.  The password passed here is used for the keyed hash of the
    // entire JKS file.  This may be different (if desired) than the password for individual private keys
    // contained within the JKS.  
    success = jks.ToFile(jksPassword,"../myJksFiles/myJks.jks");
    if (success !== true) {
        console.log(jks.LastErrorText);
        return;
    }


}

chilkatExample();