React Native Requires Chilkat v11.0.0+

Base64url Encoding

See more Encryption Examples

Base64url encoding is identical to base64 encoding except it uses non-reserved URL characters (e.g. '–' is used instead of '+', and '_' is used instead of '/') and it omits the padding characters. React Native

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

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

  const pkey = new PrivateKey();
  const rsa = new Rsa();
  rsa.genKey(1024, pkey);
  rsa.usePrivateKey(pkey);

  const strData = 'This is the string to be signed.';

  // Get the signature in base64url
  rsa.encodingMode = 'base64url';
  const strSig = rsa.signStringENC(strData, 'sha256');

  console.log(strSig);
}