1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
<!DOCTYPE html>
<meta charset=utf-8>
<head>
<title>W3C Web Authentication - Attestation Conveyance</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="u2futil.js"></script>
<script type="text/javascript" src="pkijs/common.js"></script>
<script type="text/javascript" src="pkijs/asn1.js"></script>
<script type="text/javascript" src="pkijs/x509_schema.js"></script>
<script type="text/javascript" src="pkijs/x509_simpl.js"></script>
<script type="text/javascript" src="cbor.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<h1>W3C Web Authentication - Attestation Conveyance</h1>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1428916">Mozilla Bug 1428916</a>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1416056">Mozilla Bug 1416056</a>
<script class="testbody" type="text/javascript">
"use strict";
add_task(async () => {
await SpecialPowers.pushPrefEnv({"set": [
["security.webauth.webauthn_testing_allow_direct_attestation", true],
]});
await addVirtualAuthenticator();
});
function verifyAnonymizedCertificate(aResult) {
return webAuthnDecodeCBORAttestation(aResult.response.attestationObject)
.then(({fmt, attStmt}) => {
is(fmt, "none", "Is a None Attestation");
is(typeof(attStmt), "object", "attStmt is a map");
is(Object.keys(attStmt).length, 0, "attStmt is empty");
});
}
async function verifyDirectCertificate(aResult) {
let clientDataHash = await crypto.subtle.digest("SHA-256", aResult.response.clientDataJSON)
.then(digest => new Uint8Array(digest));
let {fmt, attStmt, authData, authDataObj} = await webAuthnDecodeCBORAttestation(aResult.response.attestationObject);
is(fmt, "packed", "Is a Packed Attestation");
let signedData = new Uint8Array(authData.length + clientDataHash.length);
signedData.set(authData);
signedData.set(clientDataHash, authData.length);
let valid = await verifySignature(authDataObj.publicKeyHandle, signedData, new Uint8Array(attStmt.sig));
ok(valid, "Signature is valid.");
}
function arrivingHereIsBad(aResult) {
ok(false, "Bad result! Received a: " + aResult);
}
function expectTypeError(aResult) {
ok(aResult.toString().startsWith("TypeError"), "Expecting a TypeError, got " + aResult);
}
// Start a new MakeCredential() request.
function requestMakeCredential(attestation) {
let publicKey = {
rp: {id: document.domain, name: "none"},
user: {id: new Uint8Array(), name: "none", displayName: "none"},
challenge: crypto.getRandomValues(new Uint8Array(16)),
timeout: 5000, // the minimum timeout is actually 15 seconds
pubKeyCredParams: [{type: "public-key", alg: cose_alg_ECDSA_w_SHA256}],
attestation,
};
return navigator.credentials.create({publicKey});
}
// Test success cases for make credential.
add_task(async function test_make_credential_success () {
// No selection criteria should be equal to none, which means anonymized
await requestMakeCredential()
.then(verifyAnonymizedCertificate)
.catch(arrivingHereIsBad);
// Request an unknown attestation type. This should be treated as "none".
await requestMakeCredential("unknown")
.then(verifyAnonymizedCertificate)
.catch(arrivingHereIsBad);
// Request no attestation.
await requestMakeCredential("none")
.then(verifyAnonymizedCertificate)
.catch(arrivingHereIsBad);
// Request indirect attestation, which is the same as direct.
await requestMakeCredential("indirect")
.then(verifyDirectCertificate)
.catch(arrivingHereIsBad);
// Request direct attestation, which will prompt for user intervention.
await requestMakeCredential("direct")
.then(verifyDirectCertificate)
.catch(arrivingHereIsBad);
});
</script>
</body>
</html>
|
