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<!doctype html>
<!--
RU: Vektor T13 Technologies — WebGPU Atomic Browser Fingerprint (detect.expert)
RU: Разработал: Dmytro Momot
RU: Сайт: detect.expert
EN: Vektor T13 Technologies — WebGPU Atomic Browser Fingerprint (detect.expert)
EN: Developed by: Dmytro Momot
EN: Site: detect.expert
ZH-CN: Vektor T13 Technologies — WebGPU Atomic 浏览器指纹 (detect.expert)
ZH-CN: 开发者：Dmytro Momot
ZH-CN: 网站：detect.expert
VI: Vektor T13 Technologies — Dấu vân tay trình duyệt WebGPU Atomic (detect.expert)
VI: Phát triển bởi: Dmytro Momot
VI: Trang: detect.expert
-->
<html lang="ru">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Vektor T13 - WebGPU Atomic Browser Fingerprint | detect.expert</title>
<!-- Vektor T13 Technologies (detect.expert) — hard-block network (fetch/XHR/WebSocket). Developed by Dmytro Momot. -->
<meta http-equiv="Content-Security-Policy"
content="default-src 'self' blob: data:;
connect-src 'none';
img-src 'self' blob: data:;
media-src 'self' blob: data:;
style-src 'self' 'unsafe-inline';
script-src 'self' 'unsafe-inline' blob:;">
<style>
:root{
--bg:#0b0c0f; --fg:#e6e7eb; --muted:#b8bbc2;
--card:#141826; --border:#2a2f3a; --accent:#6aa7ff;
--ok:#2fd39a; --bad:#f17575; --warn:#f5c44b;
--shadow:0 8px 24px rgba(0,0,0,.25);
}
@media (prefers-color-scheme: light){
:root{ --bg:#f7f8fb; --fg:#101215; --muted:#586172; --card:#fff; --border:#e6e8ef; --accent:#2563eb; --ok:#0f9d58; --bad:#c62828; --warn:#b45309; --shadow:0 8px 24px rgba(0,0,0,.06); }
}
html,body{height:100%}
body{margin:0; background:var(--bg); color:var(--fg); font:14px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,sans-serif;}
.wrap{max-width:1150px; margin:32px auto; padding:0 20px;}
h1{font-size:26px; margin:0 0 6px;}
.sub{color:var(--muted); margin:0 0 18px;}
.row{display:flex; flex-wrap:wrap; gap:12px; align-items:center;}
.card{background:var(--card); border:1px solid var(--border); border-radius:14px; padding:16px; box-shadow:var(--shadow);}
.grid{display:grid; gap:16px;}
@media (min-width: 980px){ .grid-2{grid-template-columns:1fr 1fr} .grid-3{grid-template-columns:1fr 1fr 1fr} }
button{background:transparent; color:var(--fg); border:1px solid var(--border); padding:8px 14px; border-radius:10px; cursor:pointer; transition:.15s}
button.primary{background:linear-gradient(135deg,var(--accent),#8fc6ff); color:#fff; border-color:transparent;}
button:disabled{opacity:.6; cursor:not-allowed}
select,input[type="text"]{background:transparent; color:var(--fg); border:1px solid var(--border); padding:8px 10px; border-radius:10px;}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;}
.status b.ok{color:var(--ok)} .status b.bad{color:var(--bad)} .status b.warn{color:var(--warn)}
table{width:100%; border-collapse:collapse; font-size:13px;}
th,td{border-bottom:1px solid var(--border); padding:6px 8px; text-align:left;}
.pill{display:inline-block; padding:2px 8px; border-radius:999px; border:1px solid var(--border); font-size:12px; color:var(--muted)}
.muted{color:var(--muted)}
canvas{width:100%; height:160px; display:block; background:transparent}
.flex-between{display:flex; justify-content:space-between; align-items:center; gap:12px}
.progress{display:flex; gap:10px; align-items:center; margin-top:10px}
.bar{position:relative; width:240px; height:10px; border-radius:999px; background:rgba(127,127,127,.2); overflow:hidden; border:1px solid var(--border)}
.bar > i{display:block; height:100%; width:0%; background:linear-gradient(90deg,var(--accent),#9dd3ff);}
.pct{min-width:44px; text-align:right; font-variant-numeric:tabular-nums;}
.badge{font-size:12px; padding:2px 8px; border-radius:999px; border:1px solid var(--border);}
.kv{display:grid; grid-template-columns:140px 1fr; gap:8px; font-size:13px}
.kv div{padding:2px 0}
/* Vektor T13 language switcher (top-right) */
.topbar{display:flex; justify-content:space-between; align-items:flex-start; gap:14px; flex-wrap:wrap;}
.lang{display:inline-flex; gap:8px; align-items:center; white-space:nowrap; margin-left:auto;}
.lang label{color:var(--muted); font-size:13px;}
.lang select{width:190px; max-width:100%;}
.footer{margin:14px 2px 0; opacity:.8}
</style>
</head>
<body>
<div class="wrap">
<div class="topbar">
<div>
<h1 data-i18n="ui.h1">Vektor T13 - WebGPU Atomic Browser Fingerprint</h1>
<p class="sub" data-i18n-html="ui.sub">
<b>Vektor T13 Technologies</b> • <b>detect.expert</b> • Разработал <b>Dmytro Momot</b>.<br/>
Локальная демонстрация идеи <b>AtomicIncrement</b>: compute‑shader workgroups соревнуются за один <code>atomicAdd</code>‑счётчик.
Распределение инкрементов по workgroup даёт device‑specific сигнал.
</p>
</div>
<div class="lang" title="Language / Язык / 语言 / Ngôn ngữ">
<label for="lang" data-i18n="ui.langLabel">Язык:</label>
<select id="lang" aria-label="Language">
<option value="ru">Русский</option>
<option value="en">English</option>
<option value="zh">中文(简体)</option>
<option value="vi">Tiếng Việt</option>
</select>
</div>
</div>
<!-- STATUS -->
<div class="card status">
<div class="flex-between">
<div id="status" data-i18n-html="status.checking">Статус: <b class="warn">Проверка…</b></div>
<div>
<span class="pill" id="galleryCount">Галерея: 0</span>
<span class="pill" id="adapterName">Адаптер: —</span>
</div>
</div>
<p class="muted" style="margin:8px 0 0" data-i18n-html="note.secureContext">
WebGPU работает только в <b>secure context</b> (<code>https://</code> или <code>http://localhost</code>);
иначе <code>navigator.gpu</code> недоступен.
</p>
</div>
<!-- CONTROLS -->
<div class="card">
<div class="row">
<div><span data-i18n="ui.trials">Trials</span>:
<select id="trials"><option>1</option><option selected>3</option><option>5</option></select>
</div>
<div><span data-i18n="ui.totalIncrements">Total increments</span>:
<select id="limit">
<option value="2000000">2,000,000</option>
<option value="4000000" selected>4,000,000</option>
<option value="8000000">8,000,000</option>
</select>
</div>
<div><span data-i18n="ui.downsampleBins">Downsample bins</span>:
<select id="bins"><option>32</option><option selected>64</option><option>128</option></select>
</div>
<div><span data-i18n="ui.preset">Preset</span>:
<select id="preset">
<option value="default" selected data-i18n="ui.preset.default">Default (C1 128×64, C2 256×64, C3 128×128)</option>
<option value="wide" data-i18n="ui.preset.wide">Wide (C1 64×64, C2 128×128, C3 256×128)</option>
</select>
</div>
</div>
<div class="row" style="margin-top:10px">
<button id="collect" class="primary" data-i18n="btn.collect">Collect fingerprint</button>
<input id="label" type="text" data-i18n-placeholder="ui.labelPlaceholder" placeholder="Label, e.g. 'MyPC-RTX4060'" />
<button id="enroll" disabled data-i18n="btn.enroll">Enroll locally</button>
<button id="identify" disabled data-i18n="btn.identify">Identify</button>
<button id="export" disabled data-i18n="btn.export">Export</button>
<input type="file" id="importFile" style="display:none" />
<button id="importBtn" data-i18n="btn.import">Import</button>
<button id="clear" data-i18n="btn.clear">Clear</button>
<div class="progress" id="progress" style="margin-left:auto">
<span class="pct" id="pct">0%</span>
<div class="bar"><i id="bar"></i></div>
</div>
</div>
</div>
<!-- INFO + IDENTIFICATION -->
<div class="grid grid-2">
<div class="card">
<div class="flex-between">
<h3 style="margin:0" data-i18n="card.current">Current fingerprint</h3>
<div class="row">
<span class="mono" id="hash">SHA‑256: —</span>
<button id="copyHash" data-i18n="btn.copyHash">Copy hash</button>
</div>
</div>
<table style="margin-top:8px">
<thead>
<tr>
<th data-i18n="tbl.config">Config</th>
<th data-i18n="tbl.runtime">Runtime</th>
<th data-i18n="tbl.total">Total</th>
<th data-i18n="tbl.mean">Mean</th>
<th data-i18n="tbl.std">Std</th>
<th data-i18n="tbl.cv">CV</th>
</tr>
</thead>
<tbody id="tbl"></tbody>
</table>
<div id="charts" style="margin-top:10px"></div>
<p class="muted" style="margin-top:8px" data-i18n-html="note.hash">
Hash is computed over quantized, concatenated per‑config distributions via <code>SubtleCrypto.digest('SHA-256')</code>.
</p>
</div>
<div class="card">
<div class="flex-between">
<h3 style="margin:0" data-i18n="card.identification">Identification</h3>
<span class="muted" data-i18n="card.identification.sub">Cosine similarity + Jensen–Shannon distance</span>
</div>
<div style="margin-top:10px">
<canvas id="gauge" style="height:80px"></canvas>
</div>
<pre id="idents" class="mono" style="min-height:120px; white-space:pre-wrap; margin:10px 0 0"></pre>
</div>
</div>
<!-- HARDWARE -->
<div class="grid grid-2" style="margin-top:16px">
<div class="card">
<h3 style="margin:0 0 8px" data-i18n="card.hardware">Hardware & API info</h3>
<div class="kv" id="hw">
<div data-i18n="hw.adapterName">Adapter name</div><div id="i_name">—</div>
<div data-i18n="hw.vendor">Vendor</div><div id="i_vendor">—</div>
<div data-i18n="hw.architecture">Architecture</div><div id="i_arch">—</div>
<div data-i18n="hw.device">Device</div><div id="i_device">—</div>
<div data-i18n="hw.description">Description</div><div id="i_desc">—</div>
</div>
<p class="muted" style="margin:8px 0 0" data-i18n-html="note.adapterInfo">
Modern WebGPU exposes <code>GPUAdapter.info</code> (replacing deprecated <code>requestAdapterInfo()</code>).
Browsers may return empty strings to reduce fingerprinting surface.
</p>
</div>
<div class="card">
<h3 style="margin:0 0 8px" data-i18n="card.features">Features & limits</h3>
<div class="kv">
<div data-i18n="feat.features">Features</div><div id="i_features">—</div>
<div data-i18n="feat.wgsize">maxComputeWorkgroupSize</div><div id="i_wgsize">—</div>
<div data-i18n="feat.wgperdim">maxComputeWorkgroupsPerDim</div><div id="i_wgperdim">—</div>
</div>
<p class="muted" style="margin:8px 0 0" data-i18n-html="note.webgpuAvailability">
WebGPU requires a secure context; availability varies by browser and platform.
</p>
</div>
</div>
<div class="card" style="margin-top:16px">
<h3 style="margin:0 0 8px" data-i18n="card.about">About this demo</h3>
<p class="muted" style="margin:8px 0" data-i18n-html="card.about.text">
Inspired by research on WebGPU hardware‑based device fingerprinting (AtomicIncrement).
This page does <b>no network I/O</b>; the gallery is stored in <code>localStorage</code> on this origin.
<br/><br/>
<b>Vektor T13 Technologies</b> • <b>detect.expert</b> • Developed by <b>Dmytro Momot</b>.
</p>
</div>
<p class="muted footer" data-i18n-html="footer">
© <b>Vektor T13 Technologies</b> • <b>detect.expert</b> • Разработал <b>Dmytro Momot</b>
</p>
</div>
<script>
/*
Vektor T13 Technologies — WebGPU Atomic Browser Fingerprint (detect.expert)
Developed by / Разработал / 开发者 / Phát triển bởi: Dmytro Momot
RU: Локальная демонстрация: compute‑shader workgroups конкурируют за общий atomicAdd счётчик.
Распределение инкрементов по workgroup формирует device‑specific сигнал.
EN: Local demo: compute‑shader workgroups compete for a shared atomicAdd counter.
The per‑workgroup increment distribution forms a device‑specific signal.
ZH-CN: 本地演示：计算着色器工作组争用同一个 atomicAdd 计数器。
每个工作组的增量分布形成设备特征信号。
VI: Demo cục bộ: các workgroup shader tính toán tranh chấp một bộ đếm atomicAdd dùng chung.
Phân bố số lần tăng theo workgroup tạo tín hiệu đặc trưng thiết bị.
*/
(async function(){
'use strict';
const $ = s => document.querySelector(s);
// Elements
const statusEl = $('#status');
const galleryCountEl = $('#galleryCount');
const adapterNameEl = $('#adapterName');
const tblBody = $('#tbl');
const charts = $('#charts');
const identsEl = $('#idents');
const hashEl = $('#hash');
const gauge = $('#gauge');
const btnCollect = $('#collect'), btnEnroll = $('#enroll'), btnIdentify = $('#identify');
const btnExport = $('#export'), btnImport = $('#importBtn'), fileImport = $('#importFile'), btnClear = $('#clear'), btnCopy = $('#copyHash');
const selTrials = $('#trials'), selLimit = $('#limit'), selBins = $('#bins'), selPreset = $('#preset');
const inputLabel = $('#label');
const bar = $('#bar'), pct = $('#pct');
// Hardware fields
const i_name = $('#i_name'), i_vendor = $('#i_vendor'), i_arch = $('#i_arch'), i_device = $('#i_device'), i_desc = $('#i_desc');
const i_features = $('#i_features'), i_wgsize = $('#i_wgsize'), i_wgperdim = $('#i_wgperdim');
const langSel = $('#lang');
// =========================
// i18n — RU / EN / ZH-CN / VI
// =========================
const SUPPORTED_LANGS = ['ru','en','zh','vi'];
const I18N = {
ru: {
'doc.title': 'Vektor T13 - WebGPU Atomic Browser Fingerprint | detect.expert',
'ui.h1': 'Vektor T13 - WebGPU Atomic Browser Fingerprint',
'ui.sub': `<b>Vektor T13 Technologies</b> • <b>detect.expert</b> • Разработал <b>Dmytro Momot</b>.<br/>
Локальная демонстрация идеи <b>AtomicIncrement</b>: compute‑shader workgroups соревнуются за один <code>atomicAdd</code>‑счётчик.
Распределение инкрементов по workgroup даёт device‑specific сигнал.`,
'ui.langLabel': 'Язык:',
'note.secureContext': `WebGPU работает только в <b>secure context</b> (<code>https://</code> или <code>http://localhost</code>);
иначе <code>navigator.gpu</code> недоступен.`,
'ui.trials': 'Прогоны',
'ui.totalIncrements': 'Всего инкрементов',
'ui.downsampleBins': 'Бины downsample',
'ui.preset': 'Пресет',
'ui.preset.default': 'Default (C1 128×64, C2 256×64, C3 128×128)',
'ui.preset.wide': 'Wide (C1 64×64, C2 128×128, C3 256×128)',
'ui.labelPlaceholder': "Метка, напр. 'MyPC-RTX4060'",
'btn.collect': 'Собрать отпечаток',
'btn.enroll': 'Добавить локально',
'btn.identify': 'Сравнить',
'btn.export': 'Экспорт',
'btn.import': 'Импорт',
'btn.clear': 'Очистить',
'btn.copyHash': 'Копировать hash',
'btn.copied': 'Скопировано!',
'status.checking': 'Статус: <b class="warn">Проверка…</b>',
'status.noGpu': 'Статус: <b class="bad">WebGPU недоступен (нет navigator.gpu)</b>',
'status.needSecure': 'Статус: <b class="warn">Нужен secure context (https:// или http://localhost)</b>',
'status.apiPresent': 'Статус: <b class="ok">WebGPU API доступен</b>',
'pill.gallery': 'Галерея: {n}',
'pill.adapter': 'Адаптер: {name}',
'card.current': 'Текущий отпечаток',
'tbl.config': 'Конфиг',
'tbl.runtime': 'Время',
'tbl.total': 'Всего',
'tbl.mean': 'Среднее',
'tbl.std': 'Ст. откл.',
'tbl.cv': 'CV',
'note.hash': `Hash считается по квантизированным объединённым распределениям по конфигам через <code>SubtleCrypto.digest('SHA-256')</code>.`,
'card.identification': 'Идентификация',
'card.identification.sub': 'Cosine similarity + Jensen–Shannon distance',
'card.hardware': 'Железо и API',
'hw.adapterName': 'Имя адаптера',
'hw.vendor': 'Vendor',
'hw.architecture': 'Архитектура',
'hw.device': 'Device',
'hw.description': 'Описание',
'note.adapterInfo': `Современный WebGPU использует <code>GPUAdapter.info</code> (вместо устаревшего <code>requestAdapterInfo()</code>).
Браузеры могут возвращать пустые строки, чтобы снизить поверхность фингерпринтинга.`,
'card.features': 'Фичи и лимиты',
'feat.features': 'Features',
'feat.wgsize': 'maxComputeWorkgroupSize',
'feat.wgperdim': 'maxComputeWorkgroupsPerDim',
'note.webgpuAvailability': 'WebGPU требует secure context; доступность зависит от браузера и платформы.',
'card.about': 'О демо',
'card.about.text': `Вдохновлено исследованиями по hardware‑based фингерпринтингу через WebGPU (AtomicIncrement).
Эта страница <b>не делает сетевых запросов</b>; “галерея” хранится в <code>localStorage</code> этого origin.
<br/><br/><b>Vektor T13 Technologies</b> • <b>detect.expert</b> • Разработал <b>Dmytro Momot</b>.`,
'footer': '© <b>Vektor T13 Technologies</b> • <b>detect.expert</b> • Разработал <b>Dmytro Momot</b>',
'chart.normalized': 'Нормализованное, downsampled распределение',
'chart.bins': 'бинов',
'msg.collectFirst': 'Сначала нажми “Собрать отпечаток”.',
'msg.noSamples': 'Нет локальных образцов — нажми “Добавить локально”, чтобы сохранить baseline.',
'msg.error': 'Ошибка: {e}',
'msg.enrolled': 'Добавлено: {label}\\nВсего образцов: {n}',
'msg.imported': 'Импортировано образцов: {n}.',
'msg.invalidJson': 'Неверный формат JSON.',
'msg.parseFail': 'Не удалось распарсить JSON.',
'msg.galleryCleared': 'Галерея очищена.',
'id.total': 'Всего образцов: {n}',
'id.best': 'Лучшее совпадение: {label} [adapter="{adapter}"]',
'id.metrics': ' cosine={c} jsd={d} l2={l2}',
'id.hash': ' hash={hash}',
'id.top3': 'Топ‑3:',
'id.topItem': '{i}) {label} | cosine={c} jsd={d} l2={l2}',
'id.decisionSame': 'Решение: похоже на ТО ЖЕ устройство (пороги пройдены).',
'id.decisionDiff': 'Решение: скорее ДРУГОЕ устройство (пороги не пройдены).',
'gauge.cosine': 'cosine'
},
en: {
'doc.title': 'Vektor T13 - WebGPU Atomic Browser Fingerprint | detect.expert',
'ui.h1': 'Vektor T13 - WebGPU Atomic Browser Fingerprint',
'ui.sub': `<b>Vektor T13 Technologies</b> • <b>detect.expert</b> • Developed by <b>Dmytro Momot</b>.<br/>
Local demo of the <b>AtomicIncrement</b> idea: compute‑shader workgroups compete for a single <code>atomicAdd</code> counter.
The per‑workgroup increment distribution forms a device‑specific signal.`,
'ui.langLabel': 'Language:',
'note.secureContext': `WebGPU works only in a <b>secure context</b> (<code>https://</code> or <code>http://localhost</code>);
otherwise <code>navigator.gpu</code> is unavailable.`,
'ui.trials': 'Trials',
'ui.totalIncrements': 'Total increments',
'ui.downsampleBins': 'Downsample bins',
'ui.preset': 'Preset',
'ui.preset.default': 'Default (C1 128×64, C2 256×64, C3 128×128)',
'ui.preset.wide': 'Wide (C1 64×64, C2 128×128, C3 256×128)',
'ui.labelPlaceholder': "Label, e.g. 'MyPC-RTX4060'",
'btn.collect': 'Collect fingerprint',
'btn.enroll': 'Enroll locally',
'btn.identify': 'Identify',
'btn.export': 'Export',
'btn.import': 'Import',
'btn.clear': 'Clear',
'btn.copyHash': 'Copy hash',
'btn.copied': 'Copied!',
'status.checking': 'Status: <b class="warn">Checking…</b>',
'status.noGpu': 'Status: <b class="bad">WebGPU not available (no navigator.gpu)</b>',
'status.needSecure': 'Status: <b class="warn">Secure context required (https:// or http://localhost)</b>',
'status.apiPresent': 'Status: <b class="ok">WebGPU API present</b>',
'pill.gallery': 'Gallery: {n}',
'pill.adapter': 'Adapter: {name}',
'card.current': 'Current fingerprint',
'tbl.config': 'Config',
'tbl.runtime': 'Runtime',
'tbl.total': 'Total',
'tbl.mean': 'Mean',
'tbl.std': 'Std',
'tbl.cv': 'CV',
'note.hash': `Hash is computed over quantized, concatenated per‑config distributions via <code>SubtleCrypto.digest('SHA-256')</code>.`,
'card.identification': 'Identification',
'card.identification.sub': 'Cosine similarity + Jensen–Shannon distance',
'card.hardware': 'Hardware & API info',
'hw.adapterName': 'Adapter name',
'hw.vendor': 'Vendor',
'hw.architecture': 'Architecture',
'hw.device': 'Device',
'hw.description': 'Description',
'note.adapterInfo': `Modern WebGPU exposes <code>GPUAdapter.info</code> (replacing deprecated <code>requestAdapterInfo()</code>).
Browsers may return empty strings to reduce fingerprinting surface.`,
'card.features': 'Features & limits',
'feat.features': 'Features',
'feat.wgsize': 'maxComputeWorkgroupSize',
'feat.wgperdim': 'maxComputeWorkgroupsPerDim',
'note.webgpuAvailability': 'WebGPU requires a secure context; availability varies by browser and platform.',
'card.about': 'About this demo',
'card.about.text': `Inspired by research on WebGPU hardware‑based device fingerprinting (AtomicIncrement).
This page does <b>no network I/O</b>; the gallery is stored in <code>localStorage</code> on this origin.
<br/><br/><b>Vektor T13 Technologies</b> • <b>detect.expert</b> • Developed by <b>Dmytro Momot</b>.`,
'footer': '© <b>Vektor T13 Technologies</b> • <b>detect.expert</b> • Developed by <b>Dmytro Momot</b>',
'chart.normalized': 'Normalized, downsampled distribution',
'chart.bins': 'bins',
'msg.collectFirst': 'Collect first.',
'msg.noSamples': 'No enrolled samples — press “Enroll locally” to save a baseline.',
'msg.error': 'Error: {e}',
'msg.enrolled': 'Enrolled: {label}\\nTotal samples: {n}',
'msg.imported': 'Imported samples: {n}.',
'msg.invalidJson': 'Invalid JSON format.',
'msg.parseFail': 'Failed to parse JSON.',
'msg.galleryCleared': 'Gallery cleared.',
'id.total': 'Total enrolled: {n}',
'id.best': 'Best: {label} [adapter="{adapter}"]',
'id.metrics': ' cosine={c} jsd={d} l2={l2}',
'id.hash': ' hash={hash}',
'id.top3': 'Top‑3:',
'id.topItem': '{i}) {label} | cosine={c} jsd={d} l2={l2}',
'id.decisionSame': 'Decision: Looks like the SAME device (thresholds met).',
'id.decisionDiff': 'Decision: LIKELY a DIFFERENT device (thresholds not met).',
'gauge.cosine': 'cosine'
},
zh: {
'doc.title': 'Vektor T13 - WebGPU Atomic 浏览器指纹 | detect.expert',
'ui.h1': 'Vektor T13 - WebGPU Atomic Browser Fingerprint',
'ui.sub': `<b>Vektor T13 Technologies</b> • <b>detect.expert</b> • 开发者：<b>Dmytro Momot</b>。<br/>
本地演示 <b>AtomicIncrement</b> 思路：计算着色器工作组争用同一个 <code>atomicAdd</code> 计数器。
每个 workgroup 的增量分布形成设备特征信号。`,
'ui.langLabel': '语言：',
'note.secureContext': `WebGPU 仅在 <b>安全上下文</b>（<code>https://</code> 或 <code>http://localhost</code>）中可用；
否则 <code>navigator.gpu</code> 不可用。`,
'ui.trials': '试验次数',
'ui.totalIncrements': '总增量次数',
'ui.downsampleBins': '下采样 bins',
'ui.preset': '预设',
'ui.preset.default': 'Default (C1 128×64, C2 256×64, C3 128×128)',
'ui.preset.wide': 'Wide (C1 64×64, C2 128×128, C3 256×128)',
'ui.labelPlaceholder': "标签，例如 'MyPC-RTX4060'",
'btn.collect': '采集指纹',
'btn.enroll': '本地录入',
'btn.identify': '识别',
'btn.export': '导出',
'btn.import': '导入',
'btn.clear': '清空',
'btn.copyHash': '复制 hash',
'btn.copied': '已复制！',
'status.checking': '状态：<b class="warn">检查中…</b>',
'status.noGpu': '状态：<b class="bad">WebGPU 不可用（没有 navigator.gpu）</b>',
'status.needSecure': '状态：<b class="warn">需要安全上下文（https:// 或 http://localhost）</b>',
'status.apiPresent': '状态：<b class="ok">WebGPU API 可用</b>',
'pill.gallery': '样本库：{n}',
'pill.adapter': '适配器：{name}',
'card.current': '当前指纹',
'tbl.config': '配置',
'tbl.runtime': '耗时',
'tbl.total': '总计',
'tbl.mean': '均值',
'tbl.std': '标准差',
'tbl.cv': 'CV',
'note.hash': `Hash 由量化后的各配置分布拼接后计算得到（<code>SubtleCrypto.digest('SHA-256')</code>）。`,
'card.identification': '识别',
'card.identification.sub': '余弦相似度 + Jensen–Shannon 距离',
'card.hardware': '硬件与 API 信息',
'hw.adapterName': '适配器名称',
'hw.vendor': '厂商',
'hw.architecture': '架构',
'hw.device': '设备',
'hw.description': '描述',
'note.adapterInfo': `现代 WebGPU 提供 <code>GPUAdapter.info</code>（替代已弃用的 <code>requestAdapterInfo()</code>）。
浏览器可能返回空字符串以降低指纹暴露面。`,
'card.features': '特性与限制',
'feat.features': '特性',
'feat.wgsize': 'maxComputeWorkgroupSize',
'feat.wgperdim': 'maxComputeWorkgroupsPerDim',
'note.webgpuAvailability': 'WebGPU 需要安全上下文；可用性取决于浏览器与平台。',
'card.about': '关于本演示',
'card.about.text': `灵感来自 WebGPU 基于硬件的设备指纹研究（AtomicIncrement）。
本页面 <b>不进行任何网络通信</b>；样本库存储在本 origin 的 <code>localStorage</code> 中。
<br/><br/><b>Vektor T13 Technologies</b> • <b>detect.expert</b> • 开发者：<b>Dmytro Momot</b>。`,
'footer': '© <b>Vektor T13 Technologies</b> • <b>detect.expert</b> • 开发者：<b>Dmytro Momot</b>',
'chart.normalized': '归一化并下采样后的分布',
'chart.bins': 'bins',
'msg.collectFirst': '请先采集指纹。',
'msg.noSamples': '没有本地样本——点击“本地录入”保存基线。',
'msg.error': '错误：{e}',
'msg.enrolled': '已录入：{label}\\n样本总数：{n}',
'msg.imported': '已导入样本：{n}。',
'msg.invalidJson': 'JSON 格式无效。',
'msg.parseFail': '解析 JSON 失败。',
'msg.galleryCleared': '样本库已清空。',
'id.total': '已录入总数：{n}',
'id.best': '最佳：{label} [adapter="{adapter}"]',
'id.metrics': ' cosine={c} jsd={d} l2={l2}',
'id.hash': ' hash={hash}',
'id.top3': '前三：',
'id.topItem': '{i}) {label} | cosine={c} jsd={d} l2={l2}',
'id.decisionSame': '结论：看起来是同一设备（满足阈值）。',
'id.decisionDiff': '结论：很可能是不同设备（未满足阈值）。',
'gauge.cosine': 'cosine'
},
vi: {
'doc.title': 'Vektor T13 - WebGPU Atomic Browser Fingerprint | detect.expert',
'ui.h1': 'Vektor T13 - WebGPU Atomic Browser Fingerprint',
'ui.sub': `<b>Vektor T13 Technologies</b> • <b>detect.expert</b> • Phát triển bởi <b>Dmytro Momot</b>.<br/>
Demo cục bộ ý tưởng <b>AtomicIncrement</b>: các workgroup compute shader tranh chấp một bộ đếm <code>atomicAdd</code>.
Phân bố số lần tăng theo workgroup tạo tín hiệu đặc trưng thiết bị.`,
'ui.langLabel': 'Ngôn ngữ:',
'note.secureContext': `WebGPU chỉ hoạt động trong <b>ngữ cảnh an toàn</b> (<code>https://</code> hoặc <code>http://localhost</code>);
nếu không thì <code>navigator.gpu</code> sẽ không khả dụng.`,
'ui.trials': 'Số lần thử',
'ui.totalIncrements': 'Tổng số increment',
'ui.downsampleBins': 'Bins downsample',
'ui.preset': 'Preset',
'ui.preset.default': 'Default (C1 128×64, C2 256×64, C3 128×128)',
'ui.preset.wide': 'Wide (C1 64×64, C2 128×128, C3 256×128)',
'ui.labelPlaceholder': "Nhãn, ví dụ 'MyPC-RTX4060'",
'btn.collect': 'Thu thập fingerprint',
'btn.enroll': 'Enroll cục bộ',
'btn.identify': 'Identify',
'btn.export': 'Export',
'btn.import': 'Import',
'btn.clear': 'Xóa',
'btn.copyHash': 'Copy hash',
'btn.copied': 'Đã copy!',
'status.checking': 'Trạng thái: <b class="warn">Đang kiểm tra…</b>',
'status.noGpu': 'Trạng thái: <b class="bad">WebGPU không khả dụng (không có navigator.gpu)</b>',
'status.needSecure': 'Trạng thái: <b class="warn">Cần ngữ cảnh an toàn (https:// hoặc http://localhost)</b>',
'status.apiPresent': 'Trạng thái: <b class="ok">WebGPU API khả dụng</b>',
'pill.gallery': 'Gallery: {n}',
'pill.adapter': 'Adapter: {name}',
'card.current': 'Fingerprint hiện tại',
'tbl.config': 'Cấu hình',
'tbl.runtime': 'Thời gian',
'tbl.total': 'Tổng',
'tbl.mean': 'Trung bình',
'tbl.std': 'Độ lệch chuẩn',
'tbl.cv': 'CV',
'note.hash': `Hash được tính từ phân bố theo từng cấu hình (đã lượng tử hoá) qua <code>SubtleCrypto.digest('SHA-256')</code>.`,
'card.identification': 'Nhận dạng',
'card.identification.sub': 'Độ tương đồng cosine + khoảng cách Jensen–Shannon',
'card.hardware': 'Thông tin phần cứng & API',
'hw.adapterName': 'Tên adapter',
'hw.vendor': 'Hãng',
'hw.architecture': 'Kiến trúc',
'hw.device': 'Thiết bị',
'hw.description': 'Mô tả',
'note.adapterInfo': `WebGPU hiện đại cung cấp <code>GPUAdapter.info</code> (thay cho <code>requestAdapterInfo()</code> đã deprecated).
Trình duyệt có thể trả về chuỗi rỗng để giảm bề mặt fingerprinting.`,
'card.features': 'Tính năng & giới hạn',
'feat.features': 'Tính năng',
'feat.wgsize': 'maxComputeWorkgroupSize',
'feat.wgperdim': 'maxComputeWorkgroupsPerDim',
'note.webgpuAvailability': 'WebGPU yêu cầu ngữ cảnh an toàn; mức hỗ trợ tùy trình duyệt và nền tảng.',
'card.about': 'Giới thiệu',
'card.about.text': `Lấy cảm hứng từ nghiên cứu fingerprint thiết bị dựa trên phần cứng qua WebGPU (AtomicIncrement).
Trang này <b>không thực hiện I/O mạng</b>; gallery được lưu trong <code>localStorage</code> của origin này.
<br/><br/><b>Vektor T13 Technologies</b> • <b>detect.expert</b> • Phát triển bởi <b>Dmytro Momot</b>.`,
'footer': '© <b>Vektor T13 Technologies</b> • <b>detect.expert</b> • Phát triển bởi <b>Dmytro Momot</b>',
'chart.normalized': 'Phân bố đã chuẩn hoá & downsample',
'chart.bins': 'bins',
'msg.collectFirst': 'Hãy thu thập trước.',
'msg.noSamples': 'Chưa có mẫu — nhấn “Enroll cục bộ” để lưu baseline.',
'msg.error': 'Lỗi: {e}',
'msg.enrolled': 'Đã enroll: {label}\\nTổng mẫu: {n}',
'msg.imported': 'Đã import mẫu: {n}.',
'msg.invalidJson': 'JSON không hợp lệ.',
'msg.parseFail': 'Không parse được JSON.',
'msg.galleryCleared': 'Đã xóa gallery.',
'id.total': 'Tổng đã enroll: {n}',
'id.best': 'Tốt nhất: {label} [adapter="{adapter}"]',
'id.metrics': ' cosine={c} jsd={d} l2={l2}',
'id.hash': ' hash={hash}',
'id.top3': 'Top‑3:',
'id.topItem': '{i}) {label} | cosine={c} jsd={d} l2={l2}',
'id.decisionSame': 'Kết luận: Có vẻ là CÙNG thiết bị (đạt ngưỡng).',
'id.decisionDiff': 'Kết luận: NHIỀU KHẢ NĂNG là thiết bị KHÁC (không đạt ngưỡng).',
'gauge.cosine': 'cosine'
}
};
function tpl(str, vars){
return String(str).replace(/\{(\w+)\}/g, (_, k) => (vars && (k in vars)) ? String(vars[k]) : `{${k}}`);
}
function t(key, vars){
const dict = I18N[currentLang] || I18N.en;
const base = I18N.en || {};
const raw = (key in dict) ? dict[key] : ((key in base) ? base[key] : key);
return vars ? tpl(raw, vars) : String(raw);
}
function detectInitialLang(){
try {
const saved = localStorage.getItem('vt13_wgpu_lang');
if (SUPPORTED_LANGS.includes(saved)) return saved;
} catch {}
const nav = (navigator.language || 'en').toLowerCase();
if (nav.startsWith('ru')) return 'ru';
if (nav.startsWith('zh')) return 'zh';
if (nav.startsWith('vi')) return 'vi';
return 'en';
}
let currentLang = detectInitialLang();
let statusKey = 'status.checking';
let copyKey = 'btn.copyHash';
let adapterNameRaw = '—';
let current = null; // {features, hash, meta}
let lastIdentify = null; // {total,best,top3,match}
let lastMsg = null; // {key, vars}
function applyStaticI18N(){
document.documentElement.lang = (currentLang === 'zh') ? 'zh-CN' : currentLang;
document.title = t('doc.title');
document.querySelectorAll('[data-i18n]').forEach(el => {
el.textContent = t(el.dataset.i18n);
});
document.querySelectorAll('[data-i18n-html]').forEach(el => {
el.innerHTML = t(el.dataset.i18nHtml);
});
document.querySelectorAll('[data-i18n-placeholder]').forEach(el => {
el.placeholder = t(el.dataset.i18nPlaceholder);
});
}
function setStatus(k){
statusKey = k;
statusEl.innerHTML = t(k);
}
function setProgress(frac){
const p = Math.max(0, Math.min(1, frac||0));
bar.style.width = (p*100).toFixed(0)+'%';
pct.textContent = (p*100).toFixed(0)+'%';
}
// Gallery storage
const GKEY = 'wgpu_atomic_fp_gallery_v2';
const readGallery = () => { try { return JSON.parse(localStorage.getItem(GKEY) || '[]'); } catch { return []; } };
const writeGallery = (arr) => localStorage.setItem(GKEY, JSON.stringify(arr));
function setGalleryCount(){
galleryCountEl.textContent = t('pill.gallery', { n: readGallery().length });
}
function setAdapterPill(name){
adapterNameRaw = name || '—';
adapterNameEl.textContent = t('pill.adapter', { name: adapterNameRaw });
}
function setCopyLabel(){
btnCopy.textContent = t(copyKey);
}
function setMsg(key, vars = {}){
lastIdentify = null;
lastMsg = { key, vars };
identsEl.textContent = t(key, vars);
}
function renderIdentify(res){
if (!res) return;
drawGauge(gauge, Math.max(0, Math.min(1, res.best.cosine)));
const lines = [
t('id.total', { n: res.total }),
t('id.best', { label: res.best.label, adapter: res.best.adapter }),
t('id.metrics', { c: res.best.cosine.toFixed(4), d: res.best.jsd.toFixed(4), l2: res.best.l2.toFixed(4) }),
t('id.hash', { hash: res.best.hash }),
'',
t('id.top3'),
...res.top3.map((s, idx) => t('id.topItem', { i: String(idx+1), label: s.label, c: s.cosine.toFixed(4), d: s.jsd.toFixed(4), l2: s.l2.toFixed(4) })),
'',
res.match ? t('id.decisionSame') : t('id.decisionDiff')
];
identsEl.textContent = lines.join('\n');
}
function rerenderDynamic(){
// status
statusEl.innerHTML = t(statusKey);
// pills
setGalleryCount();
setAdapterPill(adapterNameRaw);
// copy button
setCopyLabel();
// idents
if (lastIdentify) renderIdentify(lastIdentify);
else if (lastMsg) identsEl.textContent = t(lastMsg.key, lastMsg.vars);
}
function setLanguage(lang, {persist=true} = {}){
currentLang = SUPPORTED_LANGS.includes(lang) ? lang : 'en';
langSel.value = currentLang;
if (persist) {
try { localStorage.setItem('vt13_wgpu_lang', currentLang); } catch {}
}
applyStaticI18N();
rerenderDynamic();
}
// Hook language selector
langSel.addEventListener('change', () => setLanguage(langSel.value, {persist:true}));
// Apply initial language
setLanguage(currentLang, {persist:false});
// =========================
// WebGPU init + helpers
// =========================
const isSecure = isSecureContext;
if (!('gpu' in navigator)){
setStatus('status.noGpu');
} else if (!isSecure){
setStatus('status.needSecure');
} else {
setStatus('status.apiPresent');
}
setGalleryCount();
setAdapterPill('—');
const adapter = await (navigator.gpu?.requestAdapter().catch(()=>null));
let device = null, queue = null;
if (adapter){
setAdapterPill(adapter.name || 'unknown');
try { device = await adapter.requestDevice(); queue = device.queue; } catch {}
} else {
setAdapterPill('—');
}
// --- Hardware hints
async function loadAdapterInfo(){
let info = null;
try {
if ('info' in adapter && adapter.info){
info = adapter.info;
} else if (typeof adapter?.requestAdapterInfo === 'function'){
info = await adapter.requestAdapterInfo();
}
} catch {}
i_name.textContent = adapter?.name || '—';
i_vendor.textContent = info?.vendor || '—';
i_arch.textContent = info?.architecture || '—';
i_device.textContent = info?.device || '—';
i_desc.textContent = info?.description || '—';
if (device){
try {
const feats = Array.from(device.features?.values?.() || []);
i_features.textContent = feats.length ? `${feats.length} (${feats.slice(0,6).join(', ')}${feats.length>6?'…':''})` : '—';
} catch { i_features.textContent = '—'; }
try {
const L = device.limits || {};
const wgsize = [L.maxComputeWorkgroupSizeX, L.maxComputeWorkgroupSizeY, L.maxComputeWorkgroupSizeZ].filter(x=>x!=null).join(' × ');
i_wgsize.textContent = wgsize || '—';
i_wgperdim.textContent = (L.maxComputeWorkgroupsPerDimension!=null) ? String(L.maxComputeWorkgroupsPerDimension) : '—';
} catch { i_wgsize.textContent = i_wgperdim.textContent = '—'; }
}
}
if (adapter) loadAdapterInfo();
// WGSL compute (single global atomic counter; per‑workgroup sums)
const shaderWGSL = /* wgsl */`
struct Counter { n: atomic<u32>; };
@group(0) @binding(0) var<storage, read_write> g : Counter;
struct OutBuf { vals: array<atomic<u32>>; };
@group(0) @binding(1) var<storage, read_write> out : OutBuf;
struct Params { limit: u32; _p1: u32; _p2: u32; _p3: u32; };
@group(0) @binding(2) var<uniform> params : Params;
override WG_SIZE: u32 = 64u;
@compute @workgroup_size(WG_SIZE)
fn main(@builtin(workgroup_id) wid: vec3<u32>, @builtin(local_invocation_id) lid: vec3<u32>) {
if (lid.x == 0u) { atomicStore(&out.vals[wid.x], 0u); }
workgroupBarrier();
var local: u32 = 0u;
loop {
let prev = atomicAdd(&g.n, 1u);
if (prev >= params.limit) { break; }
local = local + 1u;
}
atomicAdd(&out.vals[wid.x], local);
}
`;
const module = device ? device.createShaderModule({ code: shaderWGSL }) : null;
function getPreset(limit){
const p = selPreset.value;
if (p === 'wide'){
return [
{ name:'C1', wgCount:64, wgSize:64, limit },
{ name:'C2', wgCount:128, wgSize:128, limit },
{ name:'C3', wgCount:256, wgSize:128, limit },
];
}
return [
{ name:'C1', wgCount:128, wgSize:64, limit },
{ name:'C2', wgCount:256, wgSize:64, limit },
{ name:'C3', wgCount:128, wgSize:128, limit },
];
}
function medianOfTrials(list){
const L=list[0].length; const m=new Array(L);
for (let i=0;i<L;i++){
const col=list.map(v=>v[i]).sort((a,b)=>a-b);
const mid= Math.floor(col.length/2);
m[i]= col.length%2 ? col[mid] : 0.5*(col[mid-1]+col[mid]);
}
return m;
}
function normalize(a){
const s=a.reduce((x,y)=>x+y,0)||1;
return a.map(v=>v/s);
}
function downsample(a,bins){
const L=a.length; const out=new Array(bins).fill(0);
for (let i=0;i<L;i++){ out[Math.floor(i*bins/L)] += a[i]; }
const s = out.reduce((x,y)=>x+y,0)||1;
return out.map(v=>v/s);
}
function cosine(u,v){
let dot=0,n1=0,n2=0;
for (let i=0;i<u.length;i++){ dot+=u[i]*v[i]; n1+=u[i]*u[i]; n2+=v[i]*v[i]; }
return dot / (Math.sqrt(n1)*Math.sqrt(n2)||1);
}
function jsd(p,q){
const m=p.map((x,i)=>.5*(x+q[i]));
const KL=(a,b)=>{ let s=0; for(let i=0;i<a.length;i++){ if(a[i]>0 && b[i]>0) s+=a[i]*Math.log2(a[i]/b[i]); } return s; };
return Math.sqrt(.5*KL(p,m)+.5*KL(q,m));
}
async function sha256Hex(bytes){
const d=await crypto.subtle.digest('SHA-256',bytes);
return [...new Uint8Array(d)].map(b=>b.toString(16).padStart(2,'0')).join('');
}
function drawBars(canvas, values){
const dpr = window.devicePixelRatio||1;
const w = canvas.clientWidth, h = canvas.clientHeight;
canvas.width = Math.floor(w*dpr); canvas.height = Math.floor(h*dpr);
const ctx = canvas.getContext('2d'); ctx.scale(dpr, dpr);
ctx.clearRect(0,0,w,h);
const pad = 8, W = w - pad*2, H = h - pad*2;
const max = Math.max(...values, 1e-9);
const n = values.length; const bw = W / n;
ctx.strokeStyle = getComputedStyle(document.documentElement).getPropertyValue('--border');
ctx.beginPath(); ctx.moveTo(pad, h-pad); ctx.lineTo(w-pad, h-pad); ctx.stroke();
ctx.fillStyle = getComputedStyle(document.documentElement).getPropertyValue('--accent');
for (let i=0;i<n;i++){
const v = values[i]/max; const x = pad + i*bw; const barH = v*H;
ctx.fillRect(x, h-pad-barH, Math.max(1, bw-1), barH);
}
}
function drawGauge(canvas, value){ // 0..1
const dpr=window.devicePixelRatio||1, w=canvas.clientWidth, h=canvas.clientHeight;
canvas.width=Math.floor(w*dpr); canvas.height=Math.floor(h*dpr);
const ctx=canvas.getContext('2d'); ctx.scale(dpr,dpr);
ctx.clearRect(0,0,w,h);
const pad=10, W=w-pad*2, y=h/2;
ctx.fillStyle='rgba(127,127,127,.2)';
ctx.fillRect(pad, y-8, W, 16);
const grad=ctx.createLinearGradient(pad,0,pad+W,0);
grad.addColorStop(0, getComputedStyle(document.documentElement).getPropertyValue('--accent'));
grad.addColorStop(1, '#9dd3ff');
ctx.fillStyle=grad;
const val=Math.max(0,Math.min(1,value||0));
ctx.fillRect(pad, y-8, W*val, 16);
ctx.fillStyle=getComputedStyle(document.documentElement).getPropertyValue('--fg');
ctx.font='14px ui-monospace, monospace';
ctx.textBaseline='middle';
ctx.fillText(`${t('gauge.cosine')}: ${val.toFixed(4)}`, pad, y-16);
}
async function runTrial({wgCount, wgSize, limit}){
if (!device) throw new Error('WebGPU device unavailable');
const pipeline = device.createComputePipeline({
layout:'auto', compute:{ module, entryPoint:'main', constants:{ 'WG_SIZE': wgSize } }
});
const outSize = wgCount * 4;
const counterBuf = device.createBuffer({ size:4, usage: GPUBufferUsage.STORAGE | GPUBufferUsage.COPY_DST });
const outBuf = device.createBuffer({ size: outSize, usage: GPUBufferUsage.STORAGE | GPUBufferUsage.COPY_SRC | GPUBufferUsage.COPY_DST });
const uBuf = device.createBuffer({ size:16, usage: GPUBufferUsage.UNIFORM | GPUBufferUsage.COPY_DST });
queue.writeBuffer(counterBuf, 0, new Uint32Array([0]));
queue.writeBuffer(outBuf, 0, new Uint8Array(outSize));