68 lines
2.3 KiB
Dart
68 lines
2.3 KiB
Dart
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import 'dart:typed_data';
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import 'package:halkyon_keys/halkyon_keys.dart';
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import 'package:sodium/sodium_sumo.dart';
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import 'package:test/test.dart';
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Future<void> main() async {
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group("a password as RFC 8265's OpaqueString takes it", () {
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test('accents composed or decomposed, as systems type them, are one '
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'password', () {
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// é as one character, and as e with a combining accent (macOS).
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expect(
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normalizePassword('café au lait'),
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normalizePassword('café au lait'),
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);
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expect(normalizePassword('café'), 'café');
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});
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test('every other space is a plain space', () {
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for (final space in [
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' ', // no-break space
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' ', // en space
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' ', // thin space
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' ', // narrow no-break space
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' ', // ideographic space
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]) {
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expect(normalizePassword('two${space}words'), 'two words');
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}
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});
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test('nothing else changes: case, width and what is typed stay', () {
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expect(normalizePassword('Correct Horse'), 'Correct Horse');
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expect(normalizePassword('ＦＵＬＬ'), 'ＦＵＬＬ');
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expect(normalizePassword(' padded '), ' padded ');
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expect(normalizePassword('пароль 密码 🔑'), 'пароль 密码 🔑');
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});
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test('an empty password, or one with control characters, is refused', () {
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expect(() => normalizePassword(''), throwsA(isA<PasswordRefused>()));
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for (final control in ['\u0000', '\t', '\n', '\u007f', '\u0085']) {
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expect(
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() => normalizePassword('pass${control}word'),
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throwsA(isA<PasswordRefused>()),
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);
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}
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});
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});
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test('the keys are made from the normalised password: typed either way, '
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'the same keys', () async {
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final sodium = await SodiumSumoInit.init();
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const cheap = PasswordKdf(opsLimit: 1, memLimit: 8192);
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final salt = Uint8List.fromList(List.generate(16, (i) => i));
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PasswordKeys keysOf(String password) => derivePasswordKeys(
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sodium,
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password: password,
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salt: salt,
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kdf: cheap,
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);
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final composed = keysOf('café noir');
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final decomposed = keysOf('café noir');
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expect(composed.srpPrivateValue, decomposed.srpPrivateValue);
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expect(
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composed.keyEncryptionKey.extractBytes(),
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decomposed.keyEncryptionKey.extractBytes(),
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);
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});
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}
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