React Native Requires Chilkat v11.0.0+

RSA Encrypt with Modulus and Exponent

See more RSA Examples

Demonstrates how to RSA encrypt with a given modulus and exponent. React Native

import { PublicKey, Rsa, Xml } from '@chilkat/react-native'

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

  const rsa = new Rsa();

  // Assuming you already have a base64 modulus and exponent,
  // wrap it in XML like this:
  const modulus = 'qMBRpdYrAy5aMmo31NErUizh5sbweguSmh4wlK6uJEIDl+kwTlROnE34KOFExeTbJSX0WygPi+vWl0yNq7buIMUKpytossAAWut5khO3CQJxTk7G2gnEPNUUXHiExGgNrLzcSLv8YIlfVALhoRWyC67KOL+a+3taNq3h+BHeWhM=';
  const exponent = 'AQAB';

  const xml = new Xml();
  xml.tag = 'RSAPublicKey';
  xml.newChild2('Modulus', modulus);
  xml.newChild2('Exponent', exponent);

  const pubKey = new PublicKey();
  try {
    pubKey.loadFromString(xml.getXml());
  } catch {
    console.log(pubKey.lastErrorText);
    return;
  }

  try {
    rsa.usePublicKey(pubKey);
  } catch {
    console.log(rsa.lastErrorText);
    return;
  }

  const usePrivateKey = false;
  const plainText = 'message in a bottle';

  rsa.encodingMode = 'base64';
  const encryptedStrBase64 = rsa.encryptStringENC(plainText, usePrivateKey);
  console.log(encryptedStrBase64);
}