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<!-- Landscape -->
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<!-- iPad Portrait -->
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<linkrel="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">
<metaname="description"content="Messagerie P2P gratuite et chiffrée de bout en bout, entièrement dans votre navigateur. Aucun compte, aucun serveur ne conserve vos messages.">
<metaproperty="og:title"content="SecureBit.chat - Chat pair-à-pair chiffré de bout en bout">
<metaproperty="og:description"content="Une messagerie sécurisée qui fonctionne entièrement dans votre navigateur. Aucun compte, aucun serveur ne conserve vos messages. Utilisez vos propres serveurs STUN/TURN : nous ne vous imposons rien.">
<metaname="twitter:title"content="SecureBit.chat - Chat pair-à-pair chiffré de bout en bout">
<metaname="twitter:description"content="Une messagerie sécurisée qui fonctionne entièrement dans votre navigateur. Aucun compte, aucun serveur ne conserve vos messages.">
"operatingSystem":"Toute plateforme (navigateur web moderne)",
"browserRequirements":"Nécessite WebRTC et l'API Web Crypto",
"description":"Une messagerie pair-à-pair gratuite et chiffrée de bout en bout. Aucun compte, aucun serveur ne conserve les messages : ECDH P-384, AES-256-GCM et vérification SAS en personne.",
<h1>Une ligne directe<br>que vous seuls pouvez lire.</h1>
<pclass="sb-pre-lead">Les clés sont créées sur votre appareil et échangées directement entre pairs. Aucun compte, aucun serveur ne conserve vos messages.</p>
</header>
<section>
<pclass="sb-pre-eyebrow">Ce qui nous distingue</p>
<h2>Pourquoi SecureBit est unique</h2>
<ulclass="sb-pre-grid">
<liclass="sb-pre-card">
<h3>Cœur de chiffrement en couches</h3>
<p>Échange de clés ECDH P-384, charges utiles en AES-256-GCM, signatures ECDSA et validation ASN.1 complète, réunis en une seule chaîne durcie.</p>
<p>Les messages passent directement d'un appareil à l'autre par WebRTC. Aucun relais ne retient vos données : le serveur aide seulement deux pairs à se trouver.</p>
<p>La taille des paquets et leur cadence sont complétées et rendues aléatoires, ce qui masque les motifs de métadonnées à quiconque observe la ligne.</p>
<ulclass="sb-pre-tags"><li>Remplissage de paquets</li><li>Décalage temporel</li></ul>
</li>
<liclass="sb-pre-card">
<h3>Aucune collecte de données</h3>
<p>Aucun compte, aucun journal, aucun message conservé. Il n'y a rien sur un serveur à faire fuiter, à saisir ou à vendre.</p>
<li><ahref="/docs/use-policy/"hreflang="en">Use policy and limitations</a></li>
</ul>
</section>
<section>
<h2>Construisez l'avenir de la vie privée</h2>
<p>SecureBit grandit grâce à sa communauté. Vos idées et vos retours façonnent l'avenir des communications sécurisées, développées à ciel ouvert, avec une validation ASN.1 complète de bout en bout.</p>