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<!DOCTYPE HTML>
<html>
<head>
<title>Test for Messaging Layer Security</title>
<!-- SimpleTest Helpers -->
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<!-- Local Helpers -->
<script src="head_mls.js"></script>
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
async function test_scenario() {
const mls = new MLS();
// Alice: Create signature keypair and credential
const alice = await mls.generateIdentity();
const alice_credential = await mls.generateCredential("alice");
// Bob: Create signature keypair and credential
const bob = await mls.generateIdentity();
const bob_credential = await mls.generateCredential("bob");
// Bob: Generate a key package
const bob_key_package = await mls.generateKeyPackage(bob, bob_credential);
// Alice: Create a group
let group_alice = await mls.groupCreate(alice, alice_credential);
// Alice: Add Bob to the group
let commit_output = await group_alice.add(bob_key_package);
// Alice: process her Add commit
await group_alice.receive(commit_output.commit);
// Bob: Join the group
let group_bob = await mls.groupJoin(bob, commit_output.welcome);
// Test: compare group identifier from Alice and Bob
is(byteArrayToHexString(group_alice.groupId), byteArrayToHexString(group_bob.groupId), "Alice GID == Bob GID");
// Alice & Bob: Export a secret
const context_bytes = new Uint8Array([99, 111, 110, 116, 101, 120, 116]); // "context" in ASCII
const exportAlice = await group_alice.exportSecret("label", context_bytes, 15);
const exportBob = await group_bob.exportSecret("label", context_bytes, 15);
// Test: compare exporter from Alice and Bob
is(byteArrayToHexString(exportAlice.exporter), byteArrayToHexString(exportBob.exporter), "Exporter Alice == Exporter Bob");
// Bob: send a message to the group
const message = new Uint8Array([72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100, 32, 33]); // "Hello World !" in ASCII
const ctx = await group_bob.send(message);
// Alice: receive a message from the group
const pt = await group_alice.receive(ctx);
info("Alice received a message from Bob: " + JSON.stringify(pt));
// Test: compare the message and the decrypted message
is(byteArrayToHexString(message), byteArrayToHexString(pt.content), "Plaintext == Decrypted Message");
SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
test_scenario();
</script>
</pre>
</body>
</html>
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