Function roundTripViaWorker

test/parallel/test-crypto-keyobject-clone-transfer.js:55–79

(key)

}

async function roundTripViaWorker(key) {
  const worker = new Worker(`
    'use strict';
    const { parentPort } = require('node:worker_threads');
    const { types: { isKeyObject } } = require('node:util');

    parentPort.once('message', ({ key, expectedType }) => {
      try {
        if (!isKeyObject(key) || key.type !== expectedType) {
          throw new Error('KeyObject slot mismatch in worker');
        }
        parentPort.postMessage({ key });
      } catch (err) {
        parentPort.postMessage({ error: err.stack || err.message });
      }
    });
  `, { eval: true });

  worker.postMessage({ key, expectedType: key.type });
  const [msg] = await once(worker, 'message');
  await worker.terminate();

  assert.strictEqual(msg.error, undefined, msg.error);
  return msg.key;
}

function hmacDigest(key) {
  return createHmac('sha256', key).update('payload').digest('hex');