59 lines
1.4 KiB
TypeScript
59 lines
1.4 KiB
TypeScript
// Copyright 2021 Signal Messenger, LLC
|
|
// SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
import { assert } from 'chai';
|
|
import crypto from 'crypto';
|
|
|
|
import {
|
|
CipherType,
|
|
HashType,
|
|
hash,
|
|
sign,
|
|
encrypt,
|
|
decrypt,
|
|
} from '../../Crypto';
|
|
|
|
describe('SignalContext.Crypto', () => {
|
|
describe('hash', () => {
|
|
it('returns SHA512 hash of the input', () => {
|
|
const result = hash(HashType.size512, Buffer.from('signal'));
|
|
assert.strictEqual(
|
|
Buffer.from(result).toString('base64'),
|
|
'WxneQjrfSlY95Bi+SAzDAr2cf3mxUXePeNYn6DILN4a8NFr9VelTbP5tGHdthi+' +
|
|
'mrJLqMZd1I6w8CxCnmJ/OFw=='
|
|
);
|
|
});
|
|
});
|
|
|
|
describe('sign', () => {
|
|
it('returns hmac SHA256 hash of the input', () => {
|
|
const result = sign(Buffer.from('secret'), Buffer.from('signal'));
|
|
|
|
assert.strictEqual(
|
|
Buffer.from(result).toString('base64'),
|
|
'5ewbITW27c1F7dluF9KwGcVQSxmZp6mpVhPj3ww1Sh8='
|
|
);
|
|
});
|
|
});
|
|
|
|
describe('encrypt+decrypt', () => {
|
|
it('returns original input', () => {
|
|
const iv = crypto.randomBytes(16);
|
|
const key = crypto.randomBytes(32);
|
|
const input = Buffer.from('plaintext');
|
|
|
|
const ciphertext = encrypt(CipherType.AES256CBC, {
|
|
key,
|
|
iv,
|
|
plaintext: input,
|
|
});
|
|
const plaintext = decrypt(CipherType.AES256CBC, {
|
|
key,
|
|
iv,
|
|
ciphertext,
|
|
});
|
|
|
|
assert.strictEqual(Buffer.from(plaintext).toString(), 'plaintext');
|
|
});
|
|
});
|
|
});
|