Remove libsodium-wrapper.
Remove LokiSnodeChannel as we weren't using it.pull/1019/head
Mikunj
5 years ago
parent
71caa49a84
commit
496afa85cb
@ -1,141 +0,0 @@
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/* global libloki, Multibase, libsignal, StringView, dcodeIO */
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'use strict';
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async function generateSnodeKeysAndAddress() {
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// snode identitys is a ed25519 keypair
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const sodium = await window.getSodium();
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const ed25519KeyPair = sodium.crypto_sign_keypair();
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const keyPair = {
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pubKey: ed25519KeyPair.publicKey,
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privKey: ed25519KeyPair.privateKey,
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};
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// snode address is the pubkey in base32z
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let address = Multibase.encode(
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'base32z',
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Multibase.Buffer.from(keyPair.pubKey)
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).toString();
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// remove first letter, which is the encoding code
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address = address.substring(1);
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return { keyPair, address };
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}
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describe('Snode Channel', () => {
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describe('snodeCipher singleton', () => {
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it('should be defined at libloki.crypto', () => {
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assert.isDefined(libloki.crypto.snodeCipher);
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assert.isTrue(
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libloki.crypto.snodeCipher instanceof libloki.crypto._LokiSnodeChannel
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);
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});
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});
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describe('#decodeSnodeAddressToPubKey', () => {
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it('should decode a base32z encoded .snode address', async () => {
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const { keyPair, address } = await generateSnodeKeysAndAddress();
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const buffer = libloki.crypto._decodeSnodeAddressToPubKey(
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`http://${address}.snode`
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);
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const expected = new Uint8Array(keyPair.pubKey);
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assert.strictEqual(expected.length, 32);
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assert.strictEqual(buffer.length, 32);
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for (let i = 0; i < buffer.length; i += 1) {
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assert.strictEqual(buffer[i], expected[i]);
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}
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});
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});
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describe('#LokiSnodeChannel', () => {
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it('should generate an ephemeral key pair', () => {
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const channel = new libloki.crypto._LokiSnodeChannel();
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assert.isDefined(channel._ephemeralKeyPair);
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assert.isTrue(channel._ephemeralKeyPair.privKey instanceof ArrayBuffer);
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assert.isTrue(channel._ephemeralKeyPair.pubKey instanceof ArrayBuffer);
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const pubKeyHex = StringView.arrayBufferToHex(
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channel._ephemeralKeyPair.pubKey
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);
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assert.strictEqual(channel.getChannelPublicKeyHex(), pubKeyHex);
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});
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it('should cache something by snode address', async () => {
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const { address } = await generateSnodeKeysAndAddress();
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const channel = new libloki.crypto._LokiSnodeChannel();
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// cache should be empty
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assert.strictEqual(Object.keys(channel._cache).length, 0);
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// push to cache
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await channel._getSymmetricKey(address);
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assert.strictEqual(Object.keys(channel._cache).length, 1);
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assert.strictEqual(Object.keys(channel._cache)[0], address);
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});
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it('should encrypt data correctly', async () => {
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// message sent by Session
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const snode = await generateSnodeKeysAndAddress();
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const messageSent = 'I am Groot';
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const textEncoder = new TextEncoder();
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const data = textEncoder.encode(messageSent);
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const channel = new libloki.crypto._LokiSnodeChannel();
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const encrypted = await channel.encrypt(snode.address, data);
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assert.strictEqual(typeof encrypted, 'string');
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// message received by storage server
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const senderPubKey = StringView.hexToArrayBuffer(
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channel.getChannelPublicKeyHex()
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);
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const sodium = await window.getSodium();
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const snodePrivKey = sodium.crypto_sign_ed25519_sk_to_curve25519(
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snode.keyPair.privKey
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).buffer;
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const symmetricKey = libsignal.Curve.calculateAgreement(
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senderPubKey,
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snodePrivKey
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);
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const encryptedArrayBuffer = dcodeIO.ByteBuffer.wrap(
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encrypted,
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'base64'
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).toArrayBuffer();
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const decrypted = await libloki.crypto.DHDecrypt(
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symmetricKey,
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encryptedArrayBuffer
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);
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const textDecoder = new TextDecoder();
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const messageReceived = textDecoder.decode(decrypted);
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assert.strictEqual(messageSent, messageReceived);
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});
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it('should decrypt data correctly', async () => {
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const channel = new libloki.crypto._LokiSnodeChannel();
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// message sent by storage server
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const snode = await generateSnodeKeysAndAddress();
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const messageSent = 'You are Groot';
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const textEncoder = new TextEncoder();
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const data = textEncoder.encode(messageSent);
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const senderPubKey = StringView.hexToArrayBuffer(
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channel.getChannelPublicKeyHex()
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);
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const sodium = await window.getSodium();
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const snodePrivKey = sodium.crypto_sign_ed25519_sk_to_curve25519(
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snode.keyPair.privKey
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).buffer;
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const symmetricKey = libsignal.Curve.calculateAgreement(
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senderPubKey,
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snodePrivKey
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);
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const encrypted = await libloki.crypto.DHEncrypt(symmetricKey, data);
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const encryptedBase64 = dcodeIO.ByteBuffer.wrap(encrypted).toString(
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'base64'
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);
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// message received by Session
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const decrypted = await channel.decrypt(snode.address, encryptedBase64);
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assert.strictEqual(messageSent, decrypted);
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});
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});
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});
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