mozilla-central/dom/crypto/test/test_WebCrypto_ECDH.html

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<!DOCTYPE html>
<html>
<head>
<title>WebCrypto Test Suite</title>
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<link rel="stylesheet" href="./test_WebCrypto.css"/>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<!-- Utilities for manipulating ABVs -->
<script src="util.js"></script>
<!-- A simple wrapper around IndexedDB -->
<script src="simpledb.js"></script>
<!-- Test vectors drawn from the literature -->
<script src="./test-vectors.js"></script>
<!-- General testing framework -->
<script src="./test-array.js"></script>
<script>/* <![CDATA[*/
"use strict";
// -----------------------------------------------------------------------------
TestArray.addTest(
"Generate an ECDH key for named curve P-256",
function() {
var that = this;
var alg = { name: "ECDH", namedCurve: "P-256" };
crypto.subtle.generateKey(alg, false, ["deriveKey", "deriveBits"]).then(
complete(that, function(x) {
return exists(x.publicKey) &&
(x.publicKey.algorithm.name == alg.name) &&
(x.publicKey.algorithm.namedCurve == alg.namedCurve) &&
(x.publicKey.type == "public") &&
x.publicKey.extractable &&
(!x.publicKey.usages.length) &&
exists(x.privateKey) &&
(x.privateKey.algorithm.name == alg.name) &&
(x.privateKey.algorithm.namedCurve == alg.namedCurve) &&
(x.privateKey.type == "private") &&
!x.privateKey.extractable &&
(x.privateKey.usages.length == 2) &&
(x.privateKey.usages[0] == "deriveKey") &&
(x.privateKey.usages[1] == "deriveBits");
}),
error(that)
);
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"Generate an ECDH key and derive some bits",
function() {
var that = this;
var alg = { name: "ECDH", namedCurve: "P-256" };
var pair;
function setKeyPair(x) { pair = x; }
function doDerive(n) {
return function() {
return crypto.subtle.deriveBits({ name: "ECDH", public: pair.publicKey }, pair.privateKey, n * 8);
};
}
crypto.subtle.generateKey(alg, false, ["deriveBits"])
.then(setKeyPair, error(that))
.then(doDerive(2), error(that))
.then(function(x) {
// Deriving less bytes works.
if (x.byteLength != 2) {
throw new Error("should have derived two bytes");
}
})
// Deriving more than the curve yields doesn't.
.then(doDerive(33), error(that))
.then(error(that), complete(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"Test that ECDH deriveBits() fails when the public key is not an ECDH key",
function() {
var that = this;
var pubKey, privKey;
function setPub(x) { pubKey = x.publicKey; }
function setPriv(x) { privKey = x.privateKey; }
function doGenerateP256() {
var alg = { name: "ECDH", namedCurve: "P-256" };
return crypto.subtle.generateKey(alg, false, ["deriveBits"]);
}
function doGenerateRSA() {
var alg = {
name: "RSA-OAEP",
hash: "SHA-256",
modulusLength: 2048,
publicExponent: new Uint8Array([0x01, 0x00, 0x01]),
};
return crypto.subtle.generateKey(alg, false, ["encrypt", "decrypt"]);
}
function doDerive() {
var alg = { name: "ECDH", public: pubKey };
return crypto.subtle.deriveBits(alg, privKey, 16);
}
doGenerateP256()
.then(setPriv, error(that))
.then(doGenerateRSA, error(that))
.then(setPub, error(that))
.then(doDerive, error(that))
.then(error(that), complete(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"Test that ECDH deriveBits() fails when the given keys' curves don't match",
function() {
var that = this;
var pubKey, privKey;
function setPub(x) { pubKey = x.publicKey; }
function setPriv(x) { privKey = x.privateKey; }
function doGenerateP256() {
var alg = { name: "ECDH", namedCurve: "P-256" };
return crypto.subtle.generateKey(alg, false, ["deriveBits"]);
}
function doGenerateP384() {
var alg = { name: "ECDH", namedCurve: "P-384" };
return crypto.subtle.generateKey(alg, false, ["deriveBits"]);
}
function doDerive() {
var alg = { name: "ECDH", public: pubKey };
return crypto.subtle.deriveBits(alg, privKey, 16);
}
doGenerateP256()
.then(setPriv, error(that))
.then(doGenerateP384, error(that))
.then(setPub, error(that))
.then(doDerive, error(that))
.then(error(that), complete(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"JWK import an ECDH public and private key and derive bits (P-256)",
function() {
var that = this;
var alg = { name: "ECDH" };
var pubKey, privKey;
function setPub(x) { pubKey = x; }
function setPriv(x) { privKey = x; }
function doDerive() {
return crypto.subtle.deriveBits({ name: "ECDH", public: pubKey }, privKey, tv.ecdh_p256.secret.byteLength * 8);
}
Promise.all([
crypto.subtle.importKey("jwk", tv.ecdh_p256.jwk_priv, alg, false, ["deriveBits"])
.then(setPriv, error(that)),
crypto.subtle.importKey("jwk", tv.ecdh_p256.jwk_pub, alg, false, ["deriveBits"])
.then(setPub, error(that)),
]).then(doDerive, error(that))
.then(memcmp_complete(that, tv.ecdh_p256.secret), error(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"JWK import an ECDH public and private key and derive bits (P-384)",
function() {
var that = this;
var alg = { name: "ECDH" };
var pubKey, privKey;
function setPub(x) { pubKey = x; }
function setPriv(x) { privKey = x; }
function doDerive() {
return crypto.subtle.deriveBits({ name: "ECDH", public: pubKey }, privKey, tv.ecdh_p384.secret.byteLength * 8);
}
Promise.all([
crypto.subtle.importKey("jwk", tv.ecdh_p384.jwk_priv, alg, false, ["deriveBits"])
.then(setPriv, error(that)),
crypto.subtle.importKey("jwk", tv.ecdh_p384.jwk_pub, alg, false, ["deriveBits"])
.then(setPub, error(that)),
]).then(doDerive, error(that))
.then(memcmp_complete(that, tv.ecdh_p384.secret), error(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"JWK import an ECDH public and private key and derive bits (P-521)",
function() {
var that = this;
var alg = { name: "ECDH" };
var pubKey, privKey;
function setPub(x) { pubKey = x; }
function setPriv(x) { privKey = x; }
function doDerive() {
return crypto.subtle.deriveBits({ name: "ECDH", public: pubKey }, privKey, tv.ecdh_p521.secret.byteLength * 8);
}
Promise.all([
crypto.subtle.importKey("jwk", tv.ecdh_p521.jwk_priv, alg, false, ["deriveBits"])
.then(setPriv, error(that)),
crypto.subtle.importKey("jwk", tv.ecdh_p521.jwk_pub, alg, false, ["deriveBits"])
.then(setPub, error(that)),
]).then(doDerive, error(that))
.then(memcmp_complete(that, tv.ecdh_p521.secret), error(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"JWK import/export roundtrip with ECDH (P-256)",
function() {
var that = this;
var alg = { name: "ECDH" };
var pubKey, privKey;
function setPub(x) { pubKey = x; }
function setPriv(x) { privKey = x; }
function doExportPub() {
return crypto.subtle.exportKey("jwk", pubKey);
}
function doExportPriv() {
return crypto.subtle.exportKey("jwk", privKey);
}
Promise.all([
crypto.subtle.importKey("jwk", tv.ecdh_p256.jwk_priv, alg, true, ["deriveBits"])
.then(setPriv, error(that)),
crypto.subtle.importKey("jwk", tv.ecdh_p256.jwk_pub, alg, true, ["deriveBits"])
.then(setPub, error(that)),
]).then(doExportPub, error(that))
.then(function(x) {
var tp = tv.ecdh_p256.jwk_pub;
if ((tp.kty != x.kty) &&
(tp.crv != x.crv) &&
(tp.x != x.x) &&
(tp.y != x.y)) {
throw new Error("exported public key doesn't match");
}
}, error(that))
.then(doExportPriv, error(that))
.then(complete(that, function(x) {
var tp = tv.ecdh_p256.jwk_priv;
return (tp.kty == x.kty) &&
(tp.crv == x.crv) &&
(tp.d == x.d) &&
(tp.x == x.x) &&
(tp.y == x.y);
}), error(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"PKCS8 import/export roundtrip with ECDH (P-256)",
function() {
var that = this;
var alg = { name: "ECDH", namedCurve: "P-256" };
function doExportPriv(x) {
return crypto.subtle.exportKey("pkcs8", x);
}
crypto.subtle.importKey("pkcs8", tv.ecdh_p256.pkcs8, alg, true, ["deriveBits"])
.then(doExportPriv, error(that))
.then(complete(that, function(x) {
return util.memcmp(x, tv.ecdh_p256.pkcs8);
}), error(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"Test that importing bad JWKs fails",
function() {
var that = this;
var alg = { name: "ECDH" };
var tvs = tv.ecdh_p256_negative;
function doTryImport(jwk) {
return function() {
return crypto.subtle.importKey("jwk", jwk, alg, false, ["deriveBits"]);
};
}
doTryImport(tvs.jwk_bad_crv)()
.then(error(that), doTryImport(tvs.jwk_missing_crv))
.then(error(that), doTryImport(tvs.jwk_missing_x))
.then(error(that), doTryImport(tvs.jwk_missing_y))
.then(error(that), complete(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"JWK export of a newly generated ECDH private key",
function() {
var that = this;
var alg = { name: "ECDH", namedCurve: "P-256" };
var reBase64URL = /^[a-zA-Z0-9_-]+$/;
function doExportToJWK(x) {
return crypto.subtle.exportKey("jwk", x.privateKey);
}
crypto.subtle.generateKey(alg, true, ["deriveKey", "deriveBits"])
.then(doExportToJWK)
.then(
complete(that, function(x) {
return x.ext &&
x.kty == "EC" &&
x.crv == "P-256" &&
reBase64URL.test(x.x) &&
reBase64URL.test(x.y) &&
reBase64URL.test(x.d) &&
x.x.length == 43 && // 32 octets, base64-encoded
x.y.length == 43 && // 32 octets, base64-encoded
shallowArrayEquals(x.key_ops, ["deriveKey", "deriveBits"]);
}),
error(that)
);
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"Derive an HMAC key from two ECDH keys and test sign/verify",
function() {
var that = this;
var alg = { name: "ECDH" };
var algDerived = { name: "HMAC", hash: {name: "SHA-1"} };
var pubKey, privKey;
function setPub(x) { pubKey = x; }
function setPriv(x) { privKey = x; }
function doDerive() {
return crypto.subtle.deriveKey({ name: "ECDH", public: pubKey }, privKey, algDerived, false, ["sign", "verify"])
.then(function(x) {
if (!hasKeyFields(x)) {
throw new Error("Invalid key; missing field(s)");
}
// 512 bit is the default for HMAC-SHA1.
if (x.algorithm.length != 512) {
throw new Error("Invalid key; incorrect length");
}
return x;
});
}
function doSignAndVerify(x) {
var data = crypto.getRandomValues(new Uint8Array(1024));
return crypto.subtle.sign("HMAC", x, data)
.then(function(sig) {
return crypto.subtle.verify("HMAC", x, sig, data);
});
}
Promise.all([
crypto.subtle.importKey("jwk", tv.ecdh_p521.jwk_priv, alg, false, ["deriveKey"])
.then(setPriv),
crypto.subtle.importKey("jwk", tv.ecdh_p521.jwk_pub, alg, false, ["deriveKey"])
.then(setPub),
]).then(doDerive)
.then(doSignAndVerify)
.then(complete(that, x => x), error(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"Derive an HKDF key from two ECDH keys and derive an HMAC key from that",
function() {
var that = this;
async function doTest() {
let privKey = await crypto.subtle.importKey("jwk", tv.ecdh_p256.jwk_priv, "ECDH", false, ["deriveKey"]);
let pubKey = await crypto.subtle.importKey("jwk", tv.ecdh_p256.jwk_pub, "ECDH", false, []);
let ecdhAlg = { name: "ECDH", public: pubKey };
let hkdfAlg = { name: "HKDF", hash: "SHA-256", salt: new Uint8Array(), info: new Uint8Array() };
let hkdfKey = await crypto.subtle.deriveKey(ecdhAlg, privKey, hkdfAlg, false, ["deriveKey"]);
let hmacAlg = { name: "HMAC", hash: "SHA-256" };
let hmacKey = await crypto.subtle.deriveKey(hkdfAlg, hkdfKey, hmacAlg, false, ["sign"]);
return crypto.subtle.sign("HMAC", hmacKey, new Uint8Array());
}
const expected = util.hex2abv("acf62832fa93469824cd997593bc963b28a68e6f73f4516bbe51b35942fe9811");
doTest().then(memcmp_complete(that, expected), error(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"SPKI import/export of public ECDH keys (P-256)",
function() {
var that = this;
var alg = { name: "ECDH" };
var keys = ["spki", "spki_id_ecpk"];
function doImport(key) {
return crypto.subtle.importKey("spki", tv.ecdh_p256[key], alg, true, ["deriveBits"]);
}
function doExport(x) {
return crypto.subtle.exportKey("spki", x);
}
function nextKey() {
var key = keys.shift();
var imported = doImport(key);
var derived = imported.then(doExport);
return derived.then(function(x) {
if (!util.memcmp(x, tv.ecdh_p256.spki_id_ecpk)) {
throw new Error("exported key is invalid");
}
if (keys.length) {
return nextKey();
}
return Promise.resolve();
});
}
nextKey().then(complete(that), error(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"SPKI/JWK import ECDH keys (P-256) and derive a known secret",
function() {
var that = this;
var alg = { name: "ECDH" };
var pubKey, privKey;
function setPub(x) { pubKey = x; }
function setPriv(x) { privKey = x; }
function doDerive() {
return crypto.subtle.deriveBits({ name: "ECDH", public: pubKey }, privKey, tv.ecdh_p256.secret.byteLength * 8);
}
Promise.all([
crypto.subtle.importKey("spki", tv.ecdh_p256.spki, alg, false, ["deriveBits"])
.then(setPub),
crypto.subtle.importKey("jwk", tv.ecdh_p256.jwk_priv, alg, false, ["deriveBits"])
.then(setPriv),
]).then(doDerive)
.then(memcmp_complete(that, tv.ecdh_p256.secret), error(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"Raw import/export of a public ECDH key (P-256)",
function() {
var that = this;
var alg = { name: "ECDH", namedCurve: "P-256" };
function doExport(x) {
return crypto.subtle.exportKey("raw", x);
}
crypto.subtle.importKey("raw", tv.ecdh_p256.raw, alg, true, ["deriveBits"])
.then(doExport)
.then(memcmp_complete(that, tv.ecdh_p256.raw), error(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"Test that importing bad raw ECDH keys fails",
function() {
var that = this;
var alg = { name: "ECDH", namedCurve: "P-256" };
crypto.subtle.importKey("raw", tv, alg, false, ["deriveBits"])
.then(error(that), complete(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"Test that importing ECDH keys with an unknown format fails",
function() {
var that = this;
var alg = { name: "ECDH", namedCurve: "P-256" };
crypto.subtle.importKey("unknown", tv, alg, false, ["deriveBits"])
.then(error(that), complete(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"Test that importing too short raw ECDH keys fails",
function() {
var that = this;
var alg = { name: "ECDH", namedCurve: "P-256" };
crypto.subtle.importKey("raw", tv, alg, false, ["deriveBits"])
.then(error(that), complete(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"Test that importing too long raw ECDH keys fails",
function() {
var that = this;
var alg = { name: "ECDH", namedCurve: "P-256" };
crypto.subtle.importKey("raw", tv, alg, false, ["deriveBits"])
.then(error(that), complete(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"Test that importing compressed raw ECDH keys fails",
function() {
var that = this;
var alg = { name: "ECDH", namedCurve: "P-256" };
crypto.subtle.importKey("raw", tv, alg, false, ["deriveBits"])
.then(error(that), complete(that));
}
);
// -----------------------------------------------------------------------------
TestArray.addTest(
"RAW/JWK import ECDH keys (P-256) and derive a known secret",
function() {
var that = this;
var alg = { name: "ECDH", namedCurve: "P-256" };
var pubKey, privKey;
function setPub(x) { pubKey = x; }
function setPriv(x) { privKey = x; }
function doDerive() {
return crypto.subtle.deriveBits({ name: "ECDH", public: pubKey }, privKey, tv.ecdh_p256.secret.byteLength * 8);
}
Promise.all([
crypto.subtle.importKey("raw", tv.ecdh_p256.raw, alg, false, ["deriveBits"])
.then(setPub),
crypto.subtle.importKey("jwk", tv.ecdh_p256.jwk_priv, alg, false, ["deriveBits"])
.then(setPriv),
]).then(doDerive)
.then(memcmp_complete(that, tv.ecdh_p256.secret), error(that));
}
);
/* ]]>*/</script>
</head>
<body>
<div id="content">
<div id="head">
<b>Web</b>Crypto<br>
</div>
<div id="start" onclick="start();">RUN ALL</div>
<div id="resultDiv" class="content">
Summary:
<span class="pass"><span id="passN">0</span> passed, </span>
<span class="fail"><span id="failN">0</span> failed, </span>
<span class="pending"><span id="pendingN">0</span> pending.</span>
<br/>
<br/>
<table id="results">
<tr>
<th>Test</th>
<th>Result</th>
<th>Time</th>
</tr>
</table>
</div>
<div id="foot"></div>
</div>
</body>
</html>