123 lines
4.6 KiB
JavaScript
123 lines
4.6 KiB
JavaScript
/*
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Copyright 2017 Vector Creations Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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"use strict";
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import * as MegolmExportEncryption from 'utils/MegolmExportEncryption';
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import * as testUtils from '../test-utils';
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import expect from 'expect';
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// polyfill textencoder if necessary
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let TextEncoder = window.TextEncoder;
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if (!TextEncoder) {
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TextEncoder = require('utils/TextEncoderPolyfill');
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}
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const TEST_VECTORS=[
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[
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"plain",
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"password",
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"-----BEGIN MEGOLM SESSION DATA-----\nAXNhbHRzYWx0c2FsdHNhbHSIiIiIiIiIiIiIiIiIiIiIAAAACmIRUW2OjZ3L2l6j9h0lHlV3M2dx\ncissyYBxjsfsAndErh065A8=\n-----END MEGOLM SESSION DATA-----"
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],
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[
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"Hello, World",
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"betterpassword",
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"-----BEGIN MEGOLM SESSION DATA-----\nAW1vcmVzYWx0bW9yZXNhbHT//////////wAAAAAAAAAAAAAD6KyBpe1Niv5M5NPm4ZATsJo5nghk\nKYu63a0YQ5DRhUWEKk7CcMkrKnAUiZny\n-----END MEGOLM SESSION DATA-----"
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],
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[
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"alphanumericallyalphanumericallyalphanumericallyalphanumerically",
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"SWORDFISH",
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"-----BEGIN MEGOLM SESSION DATA-----\nAXllc3NhbHR5Z29vZG5lc3P//////////wAAAAAAAAAAAAAD6OIW+Je7gwvjd4kYrb+49gKCfExw\nMgJBMD4mrhLkmgAngwR1pHjbWXaoGybtiAYr0moQ93GrBQsCzPbvl82rZhaXO3iH5uHo/RCEpOqp\nPgg29363BGR+/Ripq/VCLKGNbw==\n-----END MEGOLM SESSION DATA-----"
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],
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[
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"alphanumericallyalphanumericallyalphanumericallyalphanumerically",
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"passwordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpasswordpassword",
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"-----BEGIN MEGOLM SESSION DATA-----\nAf//////////////////////////////////////////AAAD6IAZJy7IQ7Y0idqSw/bmpngEEVVh\ngsH+8ptgqxw6ZVWQnohr8JsuwH9SwGtiebZuBu5smPCO+RFVWH2cQYslZijXv/BEH/txvhUrrtCd\nbWnSXS9oymiqwUIGs08sXI33ZA==\n-----END MEGOLM SESSION DATA-----"
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]
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]
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;
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function stringToArray(s) {
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return new TextEncoder().encode(s).buffer;
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}
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describe('MegolmExportEncryption', function() {
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before(function() {
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// if we don't have subtlecrypto, go home now
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if (!window.crypto.subtle && !window.crypto.webkitSubtle) {
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this.skip();
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}
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})
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beforeEach(function() {
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testUtils.beforeEach(this);
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});
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describe('decrypt', function() {
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it('should handle missing header', function() {
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const input=stringToArray(`-----`);
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expect(()=>{MegolmExportEncryption.decryptMegolmKeyFile(input, '')})
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.toThrow('Header line not found');
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});
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it('should handle missing trailer', function() {
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const input=stringToArray(`-----BEGIN MEGOLM SESSION DATA-----
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-----`);
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expect(()=>{MegolmExportEncryption.decryptMegolmKeyFile(input, '')})
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.toThrow('Trailer line not found');
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});
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it('should decrypt a range of inputs', function(done) {
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function next(i) {
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if (i >= TEST_VECTORS.length) {
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done();
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return;
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}
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const [plain, password, input] = TEST_VECTORS[i];
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return MegolmExportEncryption.decryptMegolmKeyFile(
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stringToArray(input), password
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).then((decrypted) => {
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expect(decrypted).toEqual(plain);
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return next(i+1);
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})
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};
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return next(0).catch(done);
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});
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});
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describe('encrypt', function() {
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it('should round-trip', function(done) {
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const input =
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'words words many words in plain text here'.repeat(100);
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const password = 'my super secret passphrase';
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return MegolmExportEncryption.encryptMegolmKeyFile(
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input, password, {kdf_rounds: 1000},
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).then((ciphertext) => {
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return MegolmExportEncryption.decryptMegolmKeyFile(
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ciphertext, password
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);
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}).then((plaintext) => {
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expect(plaintext).toEqual(input);
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done();
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}).catch(done);
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});
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});
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});
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