74 lines
2.3 KiB
TypeScript
74 lines
2.3 KiB
TypeScript
// Copyright 2021 MengYX. All rights reserved.
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//
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// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in https://go.dev/LICENSE.
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import { TeaCipher } from '@/utils/tea';
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test('key size', () => {
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// prettier-ignore
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const testKey = new Uint8Array([
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0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
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0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
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0x00,
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])
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expect(() => new TeaCipher(testKey.slice(0, 16))).not.toThrow();
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expect(() => new TeaCipher(testKey)).toThrow();
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expect(() => new TeaCipher(testKey.slice(0, 15))).toThrow();
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});
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// prettier-ignore
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const teaTests = [
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// These were sourced from https://github.com/froydnj/ironclad/blob/master/testing/test-vectors/tea.testvec
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{
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rounds: TeaCipher.numRounds,
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key: new Uint8Array([
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]),
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plainText: new Uint8Array([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]),
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cipherText: new Uint8Array([0x41, 0xea, 0x3a, 0x0a, 0x94, 0xba, 0xa9, 0x40]),
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},
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{
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rounds: TeaCipher.numRounds,
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key: new Uint8Array([
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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]),
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plainText: new Uint8Array([0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]),
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cipherText: new Uint8Array([0x31, 0x9b, 0xbe, 0xfb, 0x01, 0x6a, 0xbd, 0xb2]),
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},
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{
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rounds: 16,
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key: new Uint8Array([
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]),
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plainText: new Uint8Array([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]),
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cipherText: new Uint8Array([0xed, 0x28, 0x5d, 0xa1, 0x45, 0x5b, 0x33, 0xc1]),
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},
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];
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test('rounds', () => {
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const tt = teaTests[0];
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expect(() => new TeaCipher(tt.key, tt.rounds - 1)).toThrow();
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});
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test('encrypt & decrypt', () => {
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for (const tt of teaTests) {
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const c = new TeaCipher(tt.key, tt.rounds);
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const buf = new Uint8Array(8);
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const bufView = new DataView(buf.buffer);
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c.encrypt(bufView, new DataView(tt.plainText.buffer));
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expect(buf).toStrictEqual(tt.cipherText);
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c.decrypt(bufView, new DataView(tt.cipherText.buffer));
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expect(buf).toStrictEqual(tt.plainText);
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}
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});
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