1
0
mirror of https://github.com/laurent22/joplin.git synced 2024-12-18 09:35:20 +02:00
joplin/packages/lib/services/e2ee/crypto.test.ts
Self Not Found aa6348c5c2
All: Add new encryption methods based on native crypto libraries (#10696)
Co-authored-by: Laurent Cozic <laurent22@users.noreply.github.com>
Co-authored-by: Henry Heino <personalizedrefrigerator@gmail.com>
2024-10-26 21:15:10 +01:00

104 lines
4.0 KiB
TypeScript

import { afterAllCleanUp, expectNotThrow, setupDatabaseAndSynchronizer, switchClient } from '../../testing/test-utils';
import { runIntegrationTests } from './cryptoTestUtils';
import crypto from './crypto';
describe('e2ee/crypto', () => {
beforeEach(async () => {
jest.useRealTimers();
await setupDatabaseAndSynchronizer(1);
await switchClient(1);
});
afterAll(async () => {
await afterAllCleanUp();
});
it('should encrypt and decrypt data from different devices', (async () => {
await expectNotThrow(async () => runIntegrationTests(true));
}));
it('should not generate new nonce if counter does not overflow', (async () => {
jest.useFakeTimers();
const nonce = await crypto.generateNonce(new Uint8Array(36));
expect(nonce.subarray(-8)).toEqual(new Uint8Array(8));
const nonCounterPart = nonce.slice(0, 28);
jest.advanceTimersByTime(1);
await crypto.increaseNonce(nonce);
// Counter should have expected value
expect(nonce.subarray(-8)).toEqual(new Uint8Array([0, 0, 0, 0, 0, 0, 0, 1]));
// Non-counter part should stay the same
expect(nonce.subarray(0, 28)).toEqual(nonCounterPart);
jest.advanceTimersByTime(1);
await crypto.increaseNonce(nonce);
// Counter should have expected value
expect(nonce.subarray(-8)).toEqual(new Uint8Array([0, 0, 0, 0, 0, 0, 0, 2]));
// Non-counter part should stay the same
expect(nonce.subarray(0, 28)).toEqual(nonCounterPart);
jest.advanceTimersByTime(1);
nonce.set(new Uint8Array([248, 249, 250, 251, 252, 253, 254, 255]), 28);
await crypto.increaseNonce(nonce);
// Counter should have expected value
expect(nonce.subarray(-8)).toEqual(new Uint8Array([248, 249, 250, 251, 252, 253, 255, 0]));
// Non-counter part should stay the same
expect(nonce.subarray(0, 28)).toEqual(nonCounterPart);
jest.advanceTimersByTime(1);
nonce.set(new Uint8Array([249, 250, 251, 252, 253, 254, 255, 255]), 28);
await crypto.increaseNonce(nonce);
// Counter should have expected value
expect(nonce.subarray(-8)).toEqual(new Uint8Array([249, 250, 251, 252, 253, 255, 0, 0]));
// Non-counter part should stay the same
expect(nonce.subarray(0, 28)).toEqual(nonCounterPart);
jest.advanceTimersByTime(1);
nonce.set(new Uint8Array([253, 254, 255, 255, 255, 255, 255, 255]), 28);
await crypto.increaseNonce(nonce);
// Counter should have expected value
expect(nonce.subarray(-8)).toEqual(new Uint8Array([253, 255, 0, 0, 0, 0, 0, 0]));
// Non-counter part should stay the same
expect(nonce.subarray(0, 28)).toEqual(nonCounterPart);
jest.advanceTimersByTime(1);
nonce.set(new Uint8Array([254, 255, 255, 255, 255, 255, 255, 255]), 28);
await crypto.increaseNonce(nonce);
// Counter should have expected value
expect(nonce.subarray(-8)).toEqual(new Uint8Array([255, 0, 0, 0, 0, 0, 0, 0]));
// Non-counter part should stay the same
expect(nonce.subarray(0, 28)).toEqual(nonCounterPart);
}));
it('should generate new nonce if counter overflow', (async () => {
jest.useFakeTimers();
const nonce = await crypto.generateNonce(new Uint8Array(36));
expect(nonce.subarray(-8)).toEqual(new Uint8Array(8));
const nonCounterPart = nonce.slice(0, 28);
const randomPart = nonce.slice(0, 21);
const timestampPart = nonce.slice(21, 28);
jest.advanceTimersByTime(1);
await crypto.increaseNonce(nonce);
// Counter should have expected value
expect(nonce.subarray(-8)).toEqual(new Uint8Array([0, 0, 0, 0, 0, 0, 0, 1]));
// Non-counter part should stay the same
expect(nonce.subarray(0, 28)).toEqual(nonCounterPart);
jest.advanceTimersByTime(1);
nonce.set(new Uint8Array([255, 255, 255, 255, 255, 255, 255, 255]), 28);
await crypto.increaseNonce(nonce);
// Counter should have expected value
expect(nonce.subarray(-8)).toEqual(new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0]));
// Random part should be changed
expect(nonce.subarray(0, 21)).not.toEqual(randomPart);
// Timestamp part should have expected value
expect(nonce[21]).toBe(timestampPart[0] + 2);
expect(nonce.subarray(22, 28)).toEqual(timestampPart.subarray(1));
}));
});