Sample code for 30+ languages & platforms
React Native

Add Trusted Certificate to JKS

See more Java KeyStore (JKS) Examples

Adds a trusted certificate to a Java keystore file.

Chilkat React Native Downloads

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

function chilkatExample() {
  // This requires the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  const jks = new JavaKeyStore();

  const jksPassword = 'secret';
  const jksPath = '/myJksTrustedCerts/cacerts.jks';

  // Load the Java keystore from a file.
  try {
    jks.loadFile(jksPassword, jksPath);
  } catch {
    console.log(jks.lastErrorText);
    return;
  }

  const cert = new Cert();

  // The cert's LoadFrommFile method can load a certificate from
  // virtually any format.  It will automatically determine the format
  // and load appropriately.
  try {
    cert.loadFromFile('/certFiles/myNewTrustedCert.pem');
  } catch {
    console.log(cert.lastErrorText);
    return;
  }

  // The alias can be anything.  It's basically just a label 
  // used within the JKS associated with the entry.  It should
  // be unique among aliases within the JKS file.
  const alias = 'habanero';

  try {
    jks.addTrustedCert(cert, alias);
  } catch {
    console.log(jks.lastErrorText);
    return;
  }

  // Write the JKS containing the new certificate.
  try {
    jks.toFile(jksPassword, jksPath);
  } catch {
    console.log(jks.lastErrorText);
    return;
  }

  console.log('Added a trusted certificate to the JKS.');
}