dtls-fingerprint-validation.html

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This WPT test may be referenced by the following Test IDs:
- /webrtc/protocol/dtls-fingerprint-validation.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

<title>DTLS fingerprint validation</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="../RTCPeerConnection-helper.js"></script>

</head>

<body>

<script>

function makeZeroFingerprint(algorithm) {

  const length = algorithm === 'sha-1' ? 160 : parseInt(algorithm.split('-')[1], 10);

  let zeros = [];

  for (let i = 0; i < length; i += 8) {

    zeros.push('00');

  return 'a=fingerprint:' + algorithm + ' ' + zeros.join(':');

// Tests that an invalid fingerprint leads to a connectionState 'failed'.

promise_test(async t => {

  const pc1 = new RTCPeerConnection();

  t.add_cleanup(() => pc1.close());

  const pc2 = new RTCPeerConnection();

  t.add_cleanup(() => pc2.close());

  pc1.createDataChannel('datachannel');

  exchangeIceCandidates(pc1, pc2);

  await pc1.setLocalDescription();

  await pc2.setRemoteDescription(pc1.localDescription);

  const answer = await pc2.createAnswer();

  await pc1.setRemoteDescription({

    type: answer.type,

    sdp: answer.sdp.replace(/a=fingerprint:sha-256 .*/g, makeZeroFingerprint('sha-256')),

});

  await pc2.setLocalDescription(answer);

  await waitForConnectionStateChange(pc1, ['failed']);

  await waitForConnectionStateChange(pc2, ['failed']);

}, 'Connection fails if one side provides a wrong DTLS fingerprint');

['sha-1', 'sha-256', 'sha-384', 'sha-512'].forEach(hashFunc => {

  promise_test(async t => {

    const pc1 = new RTCPeerConnection();

    t.add_cleanup(() => pc1.close());

    const pc2 = new RTCPeerConnection();

    t.add_cleanup(() => pc2.close());

    pc1.createDataChannel('datachannel');

    await pc1.setLocalDescription();

    await pc2.setRemoteDescription(pc1.localDescription);

    const answer = await pc2.createAnswer();

    await pc1.setRemoteDescription({

      type: answer.type,

      sdp: answer.sdp.replace(/a=fingerprint:sha-256 .*/g, makeZeroFingerprint(hashFunc)),

});

    await pc2.setLocalDescription(answer);

  }, 'SDP negotiation with a ' + hashFunc + ' fingerprint succeds');

});

</script>

</body>

</html>