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React Native

Get the JWS Payload into BinData

See more JSON Web Signatures (JWS) Examples

Demonstrates Jws.GetPayloadBd, which writes the payload of a loaded JWS as raw bytes into a BinData.

Background. This is used when the payload is binary. In practice, validate the signature before trusting the payload.

Chilkat React Native Downloads

React Native
import { BinData, Jws } from '@chilkat/react-native'

function chilkatExample() {
  const jws = new Jws();

  // Load the JWS compact serialization.
  const jwsCompact = 'eyJhbGciOiJIUzI1NiJ9.VGhpcyBpcyB0aGUgY29udGVudCB0byBzaWduLg.<signature>';
  try {
    jws.loadJws(jwsCompact);
  } catch {
    console.log(jws.lastErrorText);
    return;
  }

  // Get the JWS payload as raw bytes into a BinData.
  const bdPayload = new BinData();
  try {
    jws.getPayloadBd(bdPayload);
  } catch {
    console.log(jws.lastErrorText);
    return;
  }

  console.log(`Payload is ${bdPayload.numBytes} bytes.`);
}