createcredential-getpublickey.https.html

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This WPT test may be referenced by the following Test IDs:
- /webauthn/createcredential-getpublickey.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8">

<title>WebAuthn getPublicKey</title>

<meta name="timeout" content="long">

<link rel="help" href="https://w3c.github.io/webauthn/#sctn-public-key-easy">

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

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

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

<script src="/resources/testdriver-vendor.js"></script>

<script src="helpers.js"></script>

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

<script>

function testGetPublicKey() {

    standardSetup(function() {

        promise_test(async t => {

            let cred = await createCredential();

            const response = cred.response;

            assert_equals(response.getPublicKeyAlgorithm(),

                          cose_alg_ECDSA_w_SHA256);

            const attestationObject =

                new Cbor(response.attestationObject).getCBOR();

            const claimedAuthDataHex = uint8ArrayToHex(

                new Uint8Array(response.getAuthenticatorData()));

            const actualAuthDataHex = uint8ArrayToHex(attestationObject.authData);

            assert_equals(actualAuthDataHex, claimedAuthDataHex);

            // Check that the x and y coordinates of the public key appear in

            // the claimed SPKI, at least.

            const spkiHex = uint8ArrayToHex(

                new Uint8Array(response.getPublicKey()));

            const authData = parseAuthenticatorData(attestationObject.authData);

            const pubKey = authData.attestedCredentialData.credentialPublicKey;

            const xHex = uint8ArrayToHex(pubKey.x);

            const yHex = uint8ArrayToHex(pubKey.y);

            assert_not_equals(-1, spkiHex.indexOf(xHex));

            assert_not_equals(-1, spkiHex.indexOf(yHex));

            t.done();

});

});

testGetPublicKey();

/* JSHINT */

/* globals standardSetup, createCredential */

</script>

</head>

<body></body>

</html>