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React Native

Add Private Key and Certificate to a PEM

See more PEM Examples

Demonstrates how to add certificates and private keys to a PEM.

Chilkat React Native Downloads

React Native
import { Cert, Pem, PrivateKey } from '@chilkat/react-native'

function chilkatExample() {
  // This example assumes 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.
  const pem = new Pem();

  // Add the private key found in alice.key to this PEM.
  // 
  const privKey = new PrivateKey();

  try {
    privKey.loadAnyFormatFile('qa_data/alice.key', '');
  } catch {
    console.log(privKey.lastErrorText);
    return;
  }

  // Add it to the PEM:
  pem.addPrivateKey(privKey);

  // Add the certificate found in alice.crt to this PEM.
  // 
  const cert = new Cert();

  try {
    cert.loadFromFile('qa_data/alice.crt');
  } catch {
    console.log(cert.lastErrorText);
    return;
  }

  // Add it to the PEM:
  const includeCertChain = false;
  pem.addCert(cert, includeCertChain);

  // Write the PEM containing the private key and certificate.
  // The private key will be output in PKCS8 encrypted form.
  // Certificates are never encrypted.

  // This is the password that will be required to open and access the private key
  // from the PEM we're about to write..
  const password = 'secret';
  const extendedAttrs = false;
  const noKeys = false;
  const noCerts = false;
  const noCaCerts = false;
  const encryptAlg = 'aes128';

  const pemStr = pem.toPemEx(extendedAttrs, noKeys, noCerts, noCaCerts, encryptAlg, password);
  console.log(pemStr);
}