This commit is contained in:
Belma Gutlic 2020-01-07 13:05:48 +01:00
parent dff2450b18
commit 3bd2145079
2 changed files with 18 additions and 18 deletions

View File

@ -44,11 +44,10 @@ export class Handshake extends XXHandshake {
} else { } else {
logger("XX Fallback Stage 0 - Responder waiting to receive first message..."); logger("XX Fallback Stage 0 - Responder waiting to receive first message...");
const receivedMessageBuffer = decode0(this.initialMsg); const receivedMessageBuffer = decode0(this.initialMsg);
console.log("receivedMessageBuffer: ", receivedMessageBuffer)
this.xx.recvMessage(this.session, { this.xx.recvMessage(this.session, {
ne: receivedMessageBuffer.ne, ne: receivedMessageBuffer.ne,
ns: Buffer.alloc(32), ns: Buffer.alloc(0),
ciphertext: Buffer.alloc(32), ciphertext: Buffer.alloc(0),
}); });
logger("XX Fallback Stage 0 - Responder received first message."); logger("XX Fallback Stage 0 - Responder received first message.");
} }
@ -58,17 +57,19 @@ export class Handshake extends XXHandshake {
public async exchange(): Promise<void> { public async exchange(): Promise<void> {
if (this.isInitiator) { if (this.isInitiator) {
logger('XX Fallback Stage 1 - Initiator waiting to receive first message from responder...'); logger('XX Fallback Stage 1 - Initiator waiting to receive first message from responder...');
const receivedMessageBuffer = decode1(this.initialMsg); const receivedMessageBuffer = decode1((await this.connection.readLP()).slice());
// const receivedMessageBuffer = decode1(this.initialMsg);
logger("Initiator receivedMessageBuffer in stage 1", receivedMessageBuffer);
const plaintext = this.xx.recvMessage(this.session, receivedMessageBuffer); const plaintext = this.xx.recvMessage(this.session, receivedMessageBuffer);
logger('XX Fallback Stage 1 - Initiator received the message. Got remote\'s static key.'); logger('XX Fallback Stage 1 - Initiator received the message. Got remote\'s static key.');
// logger("Initiator going to check remote's signature..."); logger("Initiator going to check remote's signature...");
// try { try {
// await verifySignedPayload(receivedMessageBuffer.ns, plaintext, this.remotePeer.id); await verifySignedPayload(receivedMessageBuffer.ns, plaintext, this.remotePeer.id);
// } catch (e) { } catch (e) {
// throw new Error(`Error occurred while verifying signed payload: ${e.message}`); throw new Error(`Error occurred while verifying signed payload: ${e.message}`);
// } }
// logger("All good with the signature!"); logger("All good with the signature!");
} else { } else {
logger('Stage 1 - Responder sending out first message with signed payload and static key.'); logger('Stage 1 - Responder sending out first message with signed payload and static key.');
const signedPayload = signPayload(this.libp2pPrivateKey, getHandshakePayload(this.staticKeys.publicKey)); const signedPayload = signPayload(this.libp2pPrivateKey, getHandshakePayload(this.staticKeys.publicKey));

View File

@ -13,7 +13,7 @@ import {generateEd25519Keys, getKeyPairFromPeerId} from "./utils";
import {Handshake} from "../src/handshake-xx-fallback"; import {Handshake} from "../src/handshake-xx-fallback";
import {createPeerIdsFromFixtures} from "./fixtures/peer"; import {createPeerIdsFromFixtures} from "./fixtures/peer";
import {assert} from "chai"; import {assert} from "chai";
import {encode0} from "../src/encoder"; import {encode0, encode1} from "../src/encoder";
describe("XX Fallback Handshake", () => { describe("XX Fallback Handshake", () => {
let peerA, peerB, fakePeer; let peerA, peerB, fakePeer;
@ -31,29 +31,28 @@ describe("XX Fallback Handshake", () => {
const prologue = Buffer.from('/noise'); const prologue = Buffer.from('/noise');
const staticKeysInitiator = generateKeypair(); const staticKeysInitiator = generateKeypair();
const staticKeysResponder = generateKeypair(); const staticKeysResponder = generateKeypair();
const ephemeralKeys = generateKeypair();
const {privateKey: initiatorPrivKey, publicKey: initiatorPubKey} = getKeyPairFromPeerId(peerA); const {privateKey: initiatorPrivKey, publicKey: initiatorPubKey} = getKeyPairFromPeerId(peerA);
const {privateKey: responderPrivKey, publicKey: responderPubKey} = getKeyPairFromPeerId(peerB); const {privateKey: responderPrivKey, publicKey: responderPubKey} = getKeyPairFromPeerId(peerB);
const signedPayload = signPayload(initiatorPrivKey, getHandshakePayload(staticKeysInitiator.publicKey)); const signedPayload = signPayload(initiatorPrivKey, getHandshakePayload(staticKeysInitiator.publicKey));
const signedEarlyDataPayload = signEarlyDataPayload(initiatorPrivKey, Buffer.alloc(0));
const handshakePayload = await createHandshakePayload( const handshakePayload = await createHandshakePayload(
initiatorPubKey, initiatorPubKey,
initiatorPrivKey, initiatorPrivKey,
signedPayload, signedPayload,
signedEarlyDataPayload,
); );
const initialMsg = encode0({ const initialMsg = encode0({
ne: staticKeysInitiator.publicKey, ne: ephemeralKeys.publicKey,
ns: Buffer.alloc(32), ns: Buffer.alloc(0),
ciphertext: handshakePayload, ciphertext: handshakePayload,
}); });
const handshakeInit = const handshakeInit =
new Handshake(true, initiatorPrivKey, initiatorPubKey, prologue, staticKeysInitiator, connectionFrom, peerB, staticKeysInitiator, initialMsg); new Handshake(true, initiatorPrivKey, initiatorPubKey, prologue, staticKeysInitiator, connectionFrom, peerB, ephemeralKeys, initialMsg);
const handshakeResp = const handshakeResp =
new Handshake(false, responderPrivKey, responderPubKey, prologue, staticKeysResponder, connectionTo, peerA, staticKeysInitiator, initialMsg); new Handshake(false, responderPrivKey, responderPubKey, prologue, staticKeysResponder, connectionTo, peerA, ephemeralKeys, initialMsg);
await handshakeInit.propose(); await handshakeInit.propose();