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feat(i18n): nine languages, each at its own address; release v6.3.0
2026-08-29 12:46:15 -04:00
<!DOCTYPE html>
<!-- Generated by scripts/build-i18n.js from templates/index.template.html and
locales/*.json. Edits made here are overwritten by the next build. -->
feat(i18n): Arabic, Hebrew, Persian and Urdu, and a layout that mirrors; release v6.4.0
2026-08-29 18:05:20 -04:00
<html lang="zh-Hans" dir="ltr">
feat(i18n): nine languages, each at its own address; release v6.3.0
2026-08-29 12:46:15 -04:00
<head>
<meta charset="UTF-8">
<!-- viewport-fit=cover is what makes env(safe-area-inset-*) resolve to anything
other than 0 on notched iPhones; the composer already pads for it.
interactive-widget=resizes-content is honoured by Chrome/Android; iOS
ignores it, which is why the shell also tracks visualViewport in JS. -->
<meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover, interactive-widget=resizes-content">
<meta http-equiv="Content-Security-Policy"
content="default-src 'self';
script-src 'self';
style-src 'self' 'unsafe-inline';
font-src 'self' data:;
connect-src 'self' stun: stuns: turn: turns:;
img-src 'self' data:;
media-src 'self' blob:;
object-src 'none';
frame-src 'none';
worker-src 'self';
manifest-src 'self';
form-action 'self';
base-uri 'none';
upgrade-insecure-requests;">
<meta http-equiv="X-Content-Type-Options" content="nosniff">
<meta http-equiv="X-XSS-Protection" content="1; mode=block">
<meta http-equiv="Referrer-Policy" content="strict-origin-when-cross-origin">
<!-- PWA Manifest -->
<link rel="manifest" href="/zh/manifest.json">
v6.8.0: light theme
2026-09-04 17:38:41 -04:00
<link rel="icon" type="image/x-icon" href="/logo/favicon.ico?v=1788557187846">
<!-- Blocking, and above the stylesheet on purpose: this stamps data-theme on <html>
from localStorage while the parser is still in <head>, so the page paints in the
chosen theme on the first frame instead of flashing dark and correcting itself.
Cannot be inline (CSP is script-src 'self') and cannot be a module (deferred). -->
<script src="/src/scripts/theme-boot.js?v=1788557187846"></script>
<!-- Blocking, and in <head> on purpose: beforeinstallprompt fires once and is
not replayed, so the listener has to exist before Chrome decides the page
is installable. Deferred/module scripts are already too late. -->
<script src="/src/scripts/pwa-install-capture.js?v=1788557187846"></script>
feat(i18n): nine languages, each at its own address; release v6.3.0
2026-08-29 12:46:15 -04:00
<!-- PWA Meta Tags -->
<meta name="mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="format-detection" content="telephone=no">
v6.8.0: light theme
2026-09-04 17:38:41 -04:00
<!-- "default", not "black-translucent", now that there are two themes.
black-translucent draws the clock and battery in white and lets the page run under
them; on a light page that is white on near-white, and the meta is read once at
launch so no script can correct it. With "default" iOS tints the status bar from
<meta name="theme-color"> below and picks the glyph colour to contrast with it, so
it follows the theme on its own. The trade is that the page no longer extends under
the bar, which makes env(safe-area-inset-top) 0 in standalone — src/styles/pwa.css
already derives --sb-safe-top from that env(), so it collapses to 0 and the header
sits where it does in a browser tab. -->
<meta name="apple-mobile-web-app-status-bar-style" content="default">
feat(i18n): nine languages, each at its own address; release v6.3.0
2026-08-29 12:46:15 -04:00
<meta name="apple-mobile-web-app-title" content="SecureBit">
<meta name="application-name" content="SecureBit">
<meta name="msapplication-TileColor" content="#ff6b35">
<meta name="msapplication-config" content="/browserconfig.xml">
<!-- iOS Splash Screens - Полная конфигурация с генератора -->
<!-- Landscape -->
<link rel="apple-touch-startup-image" media="screen and (device-width: 440px) and (device-height: 956px) and (-webkit-device-pixel-ratio: 3) and (orientation: landscape)" href="/logo/splash/splash_screens/iPhone_17_Pro_Max__iPhone_16_Pro_Max_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 402px) and (device-height: 874px) and (-webkit-device-pixel-ratio: 3) and (orientation: landscape)" href="/logo/splash/splash_screens/iPhone_17_Pro__iPhone_17__iPhone_16_Pro_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 430px) and (device-height: 932px) and (-webkit-device-pixel-ratio: 3) and (orientation: landscape)" href="/logo/splash/splash_screens/iPhone_16_Plus__iPhone_15_Pro_Max__iPhone_15_Plus__iPhone_14_Pro_Max_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 420px) and (device-height: 912px) and (-webkit-device-pixel-ratio: 3) and (orientation: landscape)" href="/logo/splash/splash_screens/iPhone_Air_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 393px) and (device-height: 852px) and (-webkit-device-pixel-ratio: 3) and (orientation: landscape)" href="/logo/splash/splash_screens/iPhone_16__iPhone_15_Pro__iPhone_15__iPhone_14_Pro_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 428px) and (device-height: 926px) and (-webkit-device-pixel-ratio: 3) and (orientation: landscape)" href="/logo/splash/splash_screens/iPhone_14_Plus__iPhone_13_Pro_Max__iPhone_12_Pro_Max_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 390px) and (device-height: 844px) and (-webkit-device-pixel-ratio: 3) and (orientation: landscape)" href="/logo/splash/splash_screens/iPhone_16e__iPhone_14__iPhone_13_Pro__iPhone_13__iPhone_12_Pro__iPhone_12_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 375px) and (device-height: 812px) and (-webkit-device-pixel-ratio: 3) and (orientation: landscape)" href="/logo/splash/splash_screens/iPhone_13_mini__iPhone_12_mini__iPhone_11_Pro__iPhone_XS__iPhone_X_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 414px) and (device-height: 896px) and (-webkit-device-pixel-ratio: 3) and (orientation: landscape)" href="/logo/splash/splash_screens/iPhone_11_Pro_Max__iPhone_XS_Max_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 414px) and (device-height: 896px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)" href="/logo/splash/splash_screens/iPhone_11__iPhone_XR_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 414px) and (device-height: 736px) and (-webkit-device-pixel-ratio: 3) and (orientation: landscape)" href="/logo/splash/splash_screens/iPhone_8_Plus__iPhone_7_Plus__iPhone_6s_Plus__iPhone_6_Plus_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 375px) and (device-height: 667px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)" href="/logo/splash/splash_screens/iPhone_8__iPhone_7__iPhone_6s__iPhone_6__4.7__iPhone_SE_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 320px) and (device-height: 568px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)" href="/logo/splash/splash_screens/4__iPhone_SE__iPod_touch_5th_generation_and_later_landscape.png">
<!-- iPad Landscape -->
<link rel="apple-touch-startup-image" media="screen and (device-width: 1032px) and (device-height: 1376px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)" href="/logo/splash/splash_screens/13__iPad_Pro_M4_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 1024px) and (device-height: 1366px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)" href="/logo/splash/splash_screens/12.9__iPad_Pro_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 834px) and (device-height: 1210px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)" href="/logo/splash/splash_screens/11__iPad_Pro_M4_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 834px) and (device-height: 1194px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)" href="/logo/splash/splash_screens/11__iPad_Pro__10.5__iPad_Pro_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 820px) and (device-height: 1180px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)" href="/logo/splash/splash_screens/10.9__iPad_Air_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 834px) and (device-height: 1112px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)" href="/logo/splash/splash_screens/10.5__iPad_Air_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 810px) and (device-height: 1080px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)" href="/logo/splash/splash_screens/10.2__iPad_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 768px) and (device-height: 1024px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)" href="/logo/splash/splash_screens/9.7__iPad_Pro__7.9__iPad_mini__9.7__iPad_Air__9.7__iPad_landscape.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 744px) and (device-height: 1133px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)" href="/logo/splash/splash_screens/8.3__iPad_Mini_landscape.png">
<!-- Portrait -->
<link rel="apple-touch-startup-image" media="screen and (device-width: 440px) and (device-height: 956px) and (-webkit-device-pixel-ratio: 3) and (orientation: portrait)" href="/logo/splash/splash_screens/iPhone_17_Pro_Max__iPhone_16_Pro_Max_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 402px) and (device-height: 874px) and (-webkit-device-pixel-ratio: 3) and (orientation: portrait)" href="/logo/splash/splash_screens/iPhone_17_Pro__iPhone_17__iPhone_16_Pro_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 430px) and (device-height: 932px) and (-webkit-device-pixel-ratio: 3) and (orientation: portrait)" href="/logo/splash/splash_screens/iPhone_16_Plus__iPhone_15_Pro_Max__iPhone_15_Plus__iPhone_14_Pro_Max_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 420px) and (device-height: 912px) and (-webkit-device-pixel-ratio: 3) and (orientation: portrait)" href="/logo/splash/splash_screens/iPhone_Air_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 393px) and (device-height: 852px) and (-webkit-device-pixel-ratio: 3) and (orientation: portrait)" href="/logo/splash/splash_screens/iPhone_16__iPhone_15_Pro__iPhone_15__iPhone_14_Pro_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 428px) and (device-height: 926px) and (-webkit-device-pixel-ratio: 3) and (orientation: portrait)" href="/logo/splash/splash_screens/iPhone_14_Plus__iPhone_13_Pro_Max__iPhone_12_Pro_Max_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 390px) and (device-height: 844px) and (-webkit-device-pixel-ratio: 3) and (orientation: portrait)" href="/logo/splash/splash_screens/iPhone_16e__iPhone_14__iPhone_13_Pro__iPhone_13__iPhone_12_Pro__iPhone_12_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 375px) and (device-height: 812px) and (-webkit-device-pixel-ratio: 3) and (orientation: portrait)" href="/logo/splash/splash_screens/iPhone_13_mini__iPhone_12_mini__iPhone_11_Pro__iPhone_XS__iPhone_X_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 414px) and (device-height: 896px) and (-webkit-device-pixel-ratio: 3) and (orientation: portrait)" href="/logo/splash/splash_screens/iPhone_11_Pro_Max__iPhone_XS_Max_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 414px) and (device-height: 896px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)" href="/logo/splash/splash_screens/iPhone_11__iPhone_XR_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 414px) and (device-height: 736px) and (-webkit-device-pixel-ratio: 3) and (orientation: portrait)" href="/logo/splash/splash_screens/iPhone_8_Plus__iPhone_7_Plus__iPhone_6s_Plus__iPhone_6_Plus_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 375px) and (device-height: 667px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)" href="/logo/splash/splash_screens/iPhone_8__iPhone_7__iPhone_6s__iPhone_6__4.7__iPhone_SE_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 320px) and (device-height: 568px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)" href="/logo/splash/splash_screens/4__iPhone_SE__iPod_touch_5th_generation_and_later_portrait.png">
<!-- iPad Portrait -->
<link rel="apple-touch-startup-image" media="screen and (device-width: 1032px) and (device-height: 1376px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)" href="/logo/splash/splash_screens/13__iPad_Pro_M4_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 1024px) and (device-height: 1366px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)" href="/logo/splash/splash_screens/12.9__iPad_Pro_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 834px) and (device-height: 1210px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)" href="/logo/splash/splash_screens/11__iPad_Pro_M4_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 834px) and (device-height: 1194px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)" href="/logo/splash/splash_screens/11__iPad_Pro__10.5__iPad_Pro_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 820px) and (device-height: 1180px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)" href="/logo/splash/splash_screens/10.9__iPad_Air_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 834px) and (device-height: 1112px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)" href="/logo/splash/splash_screens/10.5__iPad_Air_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 810px) and (device-height: 1080px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)" href="/logo/splash/splash_screens/10.2__iPad_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 768px) and (device-height: 1024px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)" href="/logo/splash/splash_screens/9.7__iPad_Pro__7.9__iPad_mini__9.7__iPad_Air__9.7__iPad_portrait.png">
<link rel="apple-touch-startup-image" media="screen and (device-width: 744px) and (device-height: 1133px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)" href="/logo/splash/splash_screens/8.3__iPad_Mini_portrait.png">
<!-- Apple Touch Icons -->
v6.8.0: light theme
2026-09-04 17:38:41 -04:00
<link rel="apple-touch-icon" href="/logo/icon-180x180.png?v=1788557187846">
feat(i18n): nine languages, each at its own address; release v6.3.0
2026-08-29 12:46:15 -04:00
<link rel="apple-touch-icon" sizes="57x57" href="/logo/icon-57x57.png">
<link rel="apple-touch-icon" sizes="60x60" href="/logo/icon-60x60.png">
<link rel="apple-touch-icon" sizes="72x72" href="/logo/icon-72x72.png">
<link rel="apple-touch-icon" sizes="76x76" href="/logo/icon-76x76.png">
<link rel="apple-touch-icon" sizes="114x114" href="/logo/icon-114x114.png">
<link rel="apple-touch-icon" sizes="120x120" href="/logo/icon-120x120.png">
<link rel="apple-touch-icon" sizes="144x144" href="/logo/icon-144x144.png">
<link rel="apple-touch-icon" sizes="152x152" href="/logo/icon-152x152.png">
v6.8.0: light theme
2026-09-04 17:38:41 -04:00
<link rel="apple-touch-icon" sizes="180x180" href="/logo/icon-180x180.png?v=1788557187846">
feat(i18n): nine languages, each at its own address; release v6.3.0
2026-08-29 12:46:15 -04:00
<!-- Microsoft Tiles -->
<meta name="msapplication-TileColor" content="#ff6b35">
<meta name="msapplication-TileImage" content="./logo/icon-144x144.png">
<meta name="msapplication-config" content="/browserconfig.xml">
v6.8.0: light theme
2026-09-04 17:38:41 -04:00
<!-- Theme colors.
Two tags with media queries, which is how the browser answers before any script has
run and how a client with no JavaScript answers permanently. They are the page's
own ground (--sb-bg in src/styles/theme.css), not the brand orange: this paints the
Android address bar and the iOS status bar, and a strip in a different colour from
the page reads as a rendering fault rather than as branding.
Once theme-boot.js runs it drops the media attributes and writes the resolved
colour into both, because a media query cannot express "light on a dark system",
which is exactly what someone who picked a theme by hand has asked for. -->
<meta name="theme-color" media="(prefers-color-scheme: dark)" content="#0f0f11">
<meta name="theme-color" media="(prefers-color-scheme: light)" content="#f6f7f8">
<meta name="msapplication-navbutton-color" content="#0f0f11">
feat(i18n): nine languages, each at its own address; release v6.3.0
2026-08-29 12:46:15 -04:00
<!-- Security Headers for PWA - CSP is already defined above -->
<!-- SEO -->
<title>SecureBit.chat - 私密的端到端加密通讯工具</title>
<meta name="description" content="SecureBit.chat 是一款免费的端到端加密点对点通讯工具，完全在浏览器中运行。无需账号，没有服务器保存你的消息 —— 采用 ECDH P-384、AES-256-GCM 与当面 SAS 校验。">
<meta name="author" content="Volodymyr">
<meta name="robots" content="index, follow, max-image-preview:large, max-snippet:-1">
<link rel="canonical" href="https://securebit.chat/zh/">
<link rel="alternate" hreflang="en" href="https://securebit.chat/">
<link rel="alternate" hreflang="de" href="https://securebit.chat/de/">
<link rel="alternate" hreflang="fr" href="https://securebit.chat/fr/">
<link rel="alternate" hreflang="es" href="https://securebit.chat/es/">
<link rel="alternate" hreflang="uk" href="https://securebit.chat/uk/">
<link rel="alternate" hreflang="ru" href="https://securebit.chat/ru/">
<link rel="alternate" hreflang="zh-Hans" href="https://securebit.chat/zh/">
<link rel="alternate" hreflang="ko" href="https://securebit.chat/ko/">
<link rel="alternate" hreflang="hi" href="https://securebit.chat/hi/">
feat(i18n): Arabic, Hebrew, Persian and Urdu, and a layout that mirrors; release v6.4.0
2026-08-29 18:05:20 -04:00
<link rel="alternate" hreflang="ar" href="https://securebit.chat/ar/">
<link rel="alternate" hreflang="he" href="https://securebit.chat/he/">
<link rel="alternate" hreflang="fa" href="https://securebit.chat/fa/">
<link rel="alternate" hreflang="ur" href="https://securebit.chat/ur/">
feat(i18n): nine languages, each at its own address; release v6.3.0
2026-08-29 12:46:15 -04:00
<link rel="alternate" hreflang="x-default" href="https://securebit.chat/">
<!-- Open Graph -->
<meta property="og:site_name" content="SecureBit.chat">
<meta property="og:title" content="SecureBit.chat - 端到端加密的点对点聊天">
<meta property="og:description" content="完全在浏览器中运行的安全通讯工具。无需账号，没有服务器保存你的消息。可以接入你自己的 STUN/TURN 服务器 —— 我们不做任何强制。">
<meta property="og:url" content="https://securebit.chat/zh/">
<meta property="og:type" content="website">
<meta property="og:locale" content="zh_CN">
<meta property="og:locale:alternate" content="en_US">
<meta property="og:locale:alternate" content="de_DE">
<meta property="og:locale:alternate" content="fr_FR">
<meta property="og:locale:alternate" content="es_ES">
<meta property="og:locale:alternate" content="uk_UA">
<meta property="og:locale:alternate" content="ru_RU">
<meta property="og:locale:alternate" content="ko_KR">
<meta property="og:locale:alternate" content="hi_IN">
feat(i18n): Arabic, Hebrew, Persian and Urdu, and a layout that mirrors; release v6.4.0
2026-08-29 18:05:20 -04:00
<meta property="og:locale:alternate" content="ar_AR">
<meta property="og:locale:alternate" content="he_IL">
<meta property="og:locale:alternate" content="fa_IR">
<meta property="og:locale:alternate" content="ur_PK">
feat(i18n): nine languages, each at its own address; release v6.3.0
2026-08-29 12:46:15 -04:00
<meta property="og:image" content="https://securebit.chat/assets/social-card.png">
<meta property="og:image:secure_url" content="https://securebit.chat/assets/social-card.png">
<meta property="og:image:type" content="image/png">
<meta property="og:image:width" content="1200">
<meta property="og:image:height" content="630">
<meta property="og:image:alt" content="SecureBit.chat - 端到端加密的点对点聊天">
<!-- Twitter Card -->
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="SecureBit.chat - 端到端加密的点对点聊天">
<meta name="twitter:description" content="完全在浏览器中运行的安全通讯工具。无需账号，没有服务器保存你的消息。">
<meta name="twitter:image" content="https://securebit.chat/assets/social-card.png">
<meta name="twitter:image:alt" content="SecureBit.chat - 端到端加密的点对点聊天">
<!-- Structured data (schema.org) -->
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@graph": [
v6.7.3: faster loading, and pages search engines can read
2026-09-04 00:41:46 -04:00
{
"@type": "Organization",
"@id": "https://securebit.chat/#organization",
"name": "SecureBit.chat",
"url": "https://securebit.chat/",
"logo": "https://securebit.chat/logo/icon-512x512.png",
"sameAs": [
"https://github.com/SecureBitChat/securebit-chat",
"https://snapcraft.io/securebit-chat"
]
},
feat(i18n): nine languages, each at its own address; release v6.3.0
2026-08-29 12:46:15 -04:00
{
"@type": "WebSite",
"@id": "https://securebit.chat/#website",
"name": "SecureBit.chat",
"url": "https://securebit.chat/",
"description": "完全在浏览器中运行的端到端加密点对点聊天。",
v6.7.3: faster loading, and pages search engines can read
2026-09-04 00:41:46 -04:00
"inLanguage": "zh-Hans",
"publisher": {
"@id": "https://securebit.chat/#organization"
}
feat(i18n): nine languages, each at its own address; release v6.3.0
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},
{
"@type": "WebApplication",
"name": "SecureBit.chat",
"url": "https://securebit.chat/zh/",
"applicationCategory": "CommunicationApplication",
"operatingSystem": "任意系统（现代网页浏览器）",
"browserRequirements": "需要 WebRTC 与 Web Crypto API",
"description": "免费的端到端加密点对点通讯工具。无需账号，没有服务器保存消息 —— 采用 ECDH P-384、AES-256-GCM 与当面 SAS 校验。",
"inLanguage": "zh-Hans",
"image": "https://securebit.chat/assets/social-card.png",
"license": "https://opensource.org/licenses/MIT",
"isAccessibleForFree": true,
"offers": {
"@type": "Offer",
"price": "0",
"priceCurrency": "USD"
},
"featureList": [
"端到端加密（ECDH P-384、AES-256-GCM）",
"基于 WebRTC 的点对点连接，不经过消息服务器",
"当面 SAS 校验，抵御中间人攻击",
"可使用自有 STUN/TURN 服务器，并提供仅中继的隐私模式",
"加密文件传输",
"可安装的渐进式网页应用，支持离线使用"
],
"sameAs": [
"https://github.com/SecureBitChat/securebit-chat"
]
}
]
}
</script>
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<script defer src="/config/ice-servers.js?v=1788557187846"></script>
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the end of <body>: 21 KB of CSS in total, but eight round trips before the
browser could paint, which GTmetrix measured at 441 ms on a throttled mobile
connection. Bytes were never the problem; requests were. -->
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<link rel="stylesheet" href="/assets/app.css?v=1788557187846">
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<script type="module" src="/src/i18n/dict/zh.js?v=1788557187846"></script>
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app has mounted and the browser is idle, so the 142 KB it weighs is off the
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</head>
<body>
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<div id="root">
<style>
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.sb-pre .sb-pre-card{background:var(--sb-surface);border:1px solid rgba(var(--sb-ink),.07);border-radius:10px;padding:18px 20px}
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<svg viewBox="276 240 700 760" xmlns="http://www.w3.org/2000/svg" focusable="false">
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<path fill="url(#sbBootSilver)" fill-rule="nonzero" d="m 835.26446,352.56633 102.39051,-103.90366 -418.64101,1.00877 c 0,0 -171.69323,1.22309 -222.43455,167.96079 -52.34251,171.99925 77.67556,253.20215 77.67556,253.20215 0,0 35.54922,23.82856 79.77792,31.68982 15.73869,2.39372 79.16695,1.09532 79.16695,1.09532 54.47377,-10.08773 41.40629,-81.22528 -10.65516,-77.67557 C 492.06451,630.5166 372.5156,615.45079 386.86464,469.07968 415.02639,353.31661 520.52712,353.57511 520.52712,353.57511 Z"/>
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<div class="sb-pre">
<div class="sb-pre-in">
<header>
<p class="sb-pre-brand">SecureBit.chat</p>
<h1>一条只有你们两人<br>才能读懂的直连线路。</h1>
<p class="sb-pre-lead">密钥在你的设备上生成，并在两端之间直接交换。无需账号，没有服务器保存你的消息。</p>
</header>
<section>
<p class="sb-pre-eyebrow">我们的不同之处</p>
<h2>SecureBit 为何与众不同</h2>
<ul class="sb-pre-grid">
<li class="sb-pre-card">
<h3>分层的 加密内核</h3>
<p>ECDH P-384 密钥交换、AES-256-GCM 载荷、ECDSA 签名与完整的 ASN.1 校验，汇成一条加固的流水线。</p>
<ul class="sb-pre-tags"><li>ECDH P-384</li><li>AES-256-GCM</li><li>ECDSA</li><li>ASN.1</li></ul>
</li>
<li class="sb-pre-card">
<h3>纯粹的 P2P 基于 WebRTC</h3>
<p>消息通过 WebRTC 在设备之间直接传递。没有中继保存你的数据 —— 服务器只帮两端彼此找到对方。</p>
<ul class="sb-pre-tags"><li>DTLS 1.3</li><li>无中继</li></ul>
</li>
<li class="sb-pre-card">
<h3>完美的 前向保密</h3>
<p>会话密钥持续轮换，用后即弃，因此单个泄露的密钥永远打不开此前的对话。</p>
<ul class="sb-pre-tags"><li>临时密钥</li><li>自动轮换</li></ul>
</li>
<li class="sb-pre-card">
<h3>流量 混淆</h3>
<p>数据包的大小与时间间隔会被填充并随机化，即使有人盯着线路，也看不出元数据的规律。</p>
<ul class="sb-pre-tags"><li>数据包填充</li><li>时间抖动</li></ul>
</li>
<li class="sb-pre-card">
<h3>零数据 收集</h3>
<p>没有账号，没有日志，不保存消息。服务器上没有任何可以泄露、被调取或被出售的东西。</p>
<ul class="sb-pre-tags"><li>无需账号</li><li>没有日志</li></ul>
</li>
</ul>
</section>
<section>
<p class="sb-pre-eyebrow">开发路线图</p>
<h2>SecureBit 的演进</h2>
<p>从第一个原型走向抗量子的去中心化网络，每一层都有完整的 ASN.1 校验。</p>
<ol class="sb-pre-steps">
<li>
<h3>开发启动</h3>
<span class="sb-pre-when">2025 年初</span>
<p>构想、原型与基础设施搭建</p>
</li>
<li>
<h3>Alpha 版本</h3>
<span class="sb-pre-when">2025 年春</span>
<p>首个公开 Alpha：基础聊天与密钥交换</p>
</li>
<li>
<h3>安全加固</h3>
<span class="sb-pre-when">2025 年夏</span>
<p>强化安全并发布稳定分支</p>
</li>
<li>
<h3>扩展与稳定</h3>
<span class="sb-pre-when">2025 年秋</span>
<p>网络扩展与稳定性改进</p>
</li>
<li>
<h3>隐私优先版本</h3>
<span class="sb-pre-when">2025 年冬</span>
<p>聚焦隐私：尽量减少元数据</p>
</li>
<li>
<h3>Enhanced Security Edition</h3>
<span class="sb-pre-when">2025 年末</span>
<p>18 层军用级密码学，配合完整的 ASN.1 校验</p>
</li>
<li>
<h3>Desktop Edition</h3>
<span class="sb-pre-when">2026 年初</span>
<p>面向 Windows、macOS 与 Linux 的原生桌面应用</p>
</li>
<li>
<h3>安全语音与通话</h3>
<span class="sb-pre-when">2026 年初</span>
<p>加密语音消息、语音通话与视频通话</p>
</li>
<li>
<h3>群组通讯</h3>
<span class="sb-pre-when">当前</span>
<p>在不牺牲隐私的前提下进行群聊</p>
</li>
<li>
<h3>Mobile Edition</h3>
<span class="sb-pre-when">2027 年第二季度</span>
<p>面向 iOS 与 Android 的原生移动应用</p>
</li>
<li>
<h3>抗量子版本</h3>
<span class="sb-pre-when">2027 年第四季度</span>
<p>抵御量子计算机</p>
</li>
<li>
<h3>去中心化网络</h3>
<span class="sb-pre-when">2028 年</span>
<p>完全去中心化的网络</p>
</li>
<li>
<h3>AI 隐私助手</h3>
<span class="sb-pre-when">2028 年以后</span>
<p>用人工智能守护隐私与安全</p>
</li>
</ol>
</section>
<section lang="en" dir="ltr">
<p class="sb-pre-eyebrow">Documentation</p>
<ul class="sb-pre-docs">
<li><a href="/docs/" hreflang="en">Documentation</a></li>
<li><a href="/docs/faq/" hreflang="en">Frequently asked questions</a></li>
<li><a href="/docs/architecture/" hreflang="en">Architecture</a></li>
<li><a href="/docs/cryptography/" hreflang="en">Cryptography</a></li>
<li><a href="/docs/descriptor-sbq2/" hreflang="en">SBQ2 — connection descriptor v2</a></li>
<li><a href="/docs/configuration/" hreflang="en">Configuration</a></li>
<li><a href="/docs/calls/" hreflang="en">Voice and video calls</a></li>
<li><a href="/docs/api/" hreflang="en">API Notes</a></li>
<li><a href="/docs/contributing/" hreflang="en">Contributing</a></li>
<li><a href="/docs/use-policy/" hreflang="en">Use policy and limitations</a></li>
</ul>
</section>
<section>
<h2>一起构筑隐私的未来</h2>
<p>SecureBit 因社区而成长。你的想法与反馈塑造着安全通讯的未来 —— 开放开发，全程完整的 ASN.1 校验。</p>
<p><a href="https://github.com/SecureBitChat/securebit-chat" rel="noopener">GitHub 仓库</a></p>
</section>
</div>
</div>
</div>
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<script defer src="/src/scripts/pwa-register.js?v=1788557187846"></script>
<script src="/src/pwa/install-prompt.js?v=1788557187846" type="module"></script>
<script src="/src/pwa/pwa-manager.js?v=1788557187846" type="module"></script>
<script defer src="/src/scripts/pwa-offline-test.js?v=1788557187846"></script>
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