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Verify peer id

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This commit is contained in:
morrigan
2019-12-03 13:39:33 +01:00
parent 88bc55ac41
commit e0806499ff
7 changed files with 43 additions and 30 deletions
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30
src/handshake.ts
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@ -2,14 +2,16 @@ import { Buffer } from "buffer";
import { bytes, bytes32 } from "./@types/basic";
import { NoiseSession, XXHandshake } from "./xx";
import { KeyPair } from "./@types/libp2p";
import { KeyPair, PeerId } from "./@types/libp2p";
import {
createHandshakePayload,
decodeMessageBuffer,
encodeMessageBuffer,
getHandshakePayload,
logger, signEarlyDataPayload,
signPayload, verifySignedPayload,
logger,
signEarlyDataPayload,
signPayload,
verifySignedPayload,
} from "./utils";
import { WrappedConnection } from "./noise";
@ -22,6 +24,7 @@ export class Handshake {
private prologue: bytes32;
private staticKeys: KeyPair;
private connection: WrappedConnection;
private remotePeer: PeerId;
private xx: XXHandshake;
constructor(
@ -31,6 +34,7 @@ export class Handshake {
prologue: bytes32,
staticKeys: KeyPair,
connection: WrappedConnection,
remotePeer: PeerId,
handshake?: XXHandshake,
) {
this.isInitiator = isInitiator;
@ -39,6 +43,7 @@ export class Handshake {
this.prologue = prologue;
this.staticKeys = staticKeys;
this.connection = connection;
this.remotePeer = remotePeer;
this.xx = handshake || new XXHandshake();
this.session = this.xx.initSession(this.isInitiator, this.prologue, this.staticKeys);
@ -67,11 +72,12 @@ export class Handshake {
const plaintext = await this.xx.recvMessage(this.session, receivedMessageBuffer);
logger('Stage 1 - Initiator received the message. Got remote\'s static key.');
// if (!libp2pRemotekey) {
// throw new Error("Missing remote's libp2p public key, can't verify peer ID.");
// }
logger("Initiator going to check remote's signature...");
await verifySignedPayload(receivedMessageBuffer.ns, plaintext);
try {
await verifySignedPayload(receivedMessageBuffer.ns, plaintext, this.remotePeer.id);
} catch (e) {
throw new Error(`Error occurred while verifying signed payload: ${e.message}`);
}
logger("All good with the signature!");
} else {
logger('Stage 1 - Responder sending out first message with signed payload and static key.');
@ -111,11 +117,11 @@ export class Handshake {
const plaintext = await this.xx.recvMessage(this.session, receivedMessageBuffer);
logger('Stage 2 - Responder received the message, finished handshake. Got remote\'s static key.');
// if (!libp2pRemotekey) {
// throw new Error("Missing remote's libp2p public key, can't verify signature.");
// }
await verifySignedPayload(receivedMessageBuffer.ns, plaintext);
try {
await verifySignedPayload(receivedMessageBuffer.ns, plaintext, this.remotePeer.id);
} catch (e) {
throw new Error(`Error occurred while verifying signed payload: ${e.message}`);
}
}
}