test_utils.html - mozsearch

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  <title>Test for Messaging Layer Security</title>

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  <pre id="test">

<script class="testbody" type="text/javascript">

  async function test_utils_get_group_identifier_and_epoch() {

    const mls = new MLS();

    // Generate Identities for Alice and Bob

    let alice = await mls.generateIdentity();

    let bob = await mls.generateIdentity();

    // Generate Credentials for Alice and Bob

    let credential_alice = await mls.generateCredential("alice");

    let credential_bob = await mls.generateCredential("bob");

    // Generate a KeyPackage for Bob

    let kp_bob = await mls.generateKeyPackage(bob, credential_bob);

    // Creation of a Group by Alice

    let group_alice = await mls.groupCreate(alice, credential_alice);

    // Test: compare the group identifier to the invalid value

    info("Group Id:", byteArrayToHexString(group_alice.groupId));

    isnot(byteArrayToHexString(group_alice.groupId), "", "Group Identifier != ''");

    // Alice adds Bob to a group

    let commit_output = await group_alice.add(kp_bob);

    // Test: compare the commit output to the invalid value

    info("Commit Output:", byteArrayToHexString(commit_output.commit));

    isnot(byteArrayToHexString(commit_output.commit), "", "Commit != ''");

    // Get the group details

    let details = await group_alice.details();

    info("Group Id:", byteArrayToHexString(details.groupId));

    info("Group Epoch:", byteArrayToHexString(details.groupEpoch));

    // Get the group identifier from the commit

    let gid_commit = await mls.getGroupIdFromMessage(commit_output.commit);

    info("Group Id from Commit Message:", byteArrayToHexString(gid_commit.content));

    // Get the group identifier from the commit

    let epoch_commit = await mls.getGroupEpochFromMessage(commit_output.commit);

    info("Group Epoch from Commit Message:", byteArrayToHexString(epoch_commit.content));

    // Note: the following is forbidden because Welcome is not an MLSMessage

    // let gid_welcome = await mls.getGroupIdFromMessage(commit_output.welcome);

    // info("Group Id from Welcome Message:", byteArrayToHexString(gid_welcome.content));

    // Test: compare the group id of the commit to the current group id

    is(byteArrayToHexString(details.groupId), byteArrayToHexString(gid_commit.content));

    // Test: compare the group epoch of the commit to the current group epoch

    is(byteArrayToHexString(details.groupEpoch), byteArrayToHexString(epoch_commit.content));

    // Alice: process her Add commit

    await group_alice.receive(commit_output.commit);

    // Get the group details after processing the commit

    let details2 = await group_alice.details();

    info("Group Epoch 2:", byteArrayToHexString(details2.groupEpoch));

    // Alice: removed Bob

    let commit_output2 = await group_alice.remove(bob);

    // Get the group identifier from the commit

    let gid_commit2 = await mls.getGroupIdFromMessage(commit_output2.commit);

    info("Group Id 2 from Commit Message 2:", byteArrayToHexString(gid_commit2.content));

    // Get the group identifier from the commit2

    let epoch_commit2 = await mls.getGroupEpochFromMessage(commit_output2.commit);

    info("Group Epoch 2 from Commit Message 2:", byteArrayToHexString(epoch_commit2.content));

    // Test: compare the group id of the commit to the current group id

    is(byteArrayToHexString(details2.groupId), byteArrayToHexString(gid_commit2.content));

    // Test: compare the group epoch of the commit to the current group epoch

    is(byteArrayToHexString(details2.groupEpoch), byteArrayToHexString(epoch_commit2.content));

    SimpleTest.finish();

  SimpleTest.waitForExplicitFinish();

  test_utils_get_group_identifier_and_epoch();

</script>

</pre>

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