(Node.js) Load Certificate from .cer and Private Key from .pem

See more Certificates Examples

Load a certificate from a .cer and its associated private key from a .pem.

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 = cert.LoadFromFile("C:/certs_and_keys/Certificate.cer");
    if (success == false) {
        console.log(cert.LastErrorText);
        return;
    }

    var sbPem = new chilkat.StringBuilder();
    success = sbPem.LoadFile("C:/certs_and_keys/PrivateKey.pem","utf-8");
    if (success == false) {
        console.log("Failed to load private key PEM");
        return;
    }

    success = cert.SetPrivateKeyPem(sbPem.GetAsString());
    if (success == false) {
        console.log(cert.LastErrorText);
        return;
    }

    console.log("The certificate and associated private key are now loaded and ready for signing.");

}

chilkatExample();