<!DOCTYPE html>
<html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-0 vector-toc-not-available vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-0 vector-feature-night-mode-enabled skin-theme-clientpref-os vector-sticky-header-enabled" lang="fr" dir="ltr"><head>
<meta charset="UTF-8">
<title>Open Whisper Systems</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="icon" type="image/png" href="./_res_/favicon.png">
<link rel="canonical" href="https://fr.wikipedia.org/wiki/Open_Whisper_Systems"> <link href="./_mw_/ext.cite.styles.css" rel="stylesheet" type="text/css">
<link href="./_mw_/ext.wikimediamessages.styles.css" rel="stylesheet" type="text/css">
<link href="./_mw_/skins.vector.icons.css" rel="stylesheet" type="text/css">
<link href="./_mw_/skins.vector.search.codex.styles.css" rel="stylesheet" type="text/css">
<link href="./_mw_/skins.vector.styles.css" rel="stylesheet" type="text/css">
<meta name="ResourceLoaderDynamicStyles" content="">
<link rel="stylesheet" type="text/css" href="./_mw_/site.styles.css">
<link rel="stylesheet" type="text/css" href="./_mw_/noscript.css">
<link rel="stylesheet" type="text/css" href="./_res_/footer.css">
<link rel="stylesheet" type="text/css" href="./_res_/vector-2022.css">
</head>
<body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject page-Open_Whisper_Systems rootpage-Open_Whisper_Systems skin-vector-2022 action-view">
<div class="mw-page-container">
<div class="mw-page-container-inner">
<div class="mw-content-container">
<main id="content" class="mw-body">
<header class="mw-body-header vector-page-titlebar">
<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Open Whisper Systems</span></h1>
</header>
<a id="top"></a>
<div id="bodyContent" class="vector-body ve-init-mw-desktopArticleTarget-targetContainer" aria-labelledby="firstHeading" data-mw-ve-target-container="">
<div id="contentSub">
<div id="mw-content-subtitle"></div>
</div>
<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="fr" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="fr" dir="ltr"><p class="mw-empty-elt">
</p>
<table class="infobox_v2 infobox infobox--frwiki noarchive">
<tbody><tr>
<td colspan="2" class="entete defaut" style="background-color:#DFEDFF;color:black;">Open Whisper Systems
</td></tr>
<tr><td colspan="2" style="display:none;">
</td></tr>
<tr>
<td colspan="2" style="display:none;">
</td></tr>
<tr>
<th scope="row">Création
</th>
<td><span class="wd_p571"><time class="nowrap date-lien" datetime="2013-01-21" data-sort-value="2013-01-21"><a href="21_janvier" title="21 janvier">21</a> <a href="Janvier_2013" title="Janvier 2013">janvier</a> <a href="2013" title="2013">2013</a></time></span>
</td>
</tr>
<tr>
<th scope="row">Fondateurs
</th>
<td><span class="wd_p112"><a href="Moxie_Marlinspike" title="Moxie Marlinspike">Moxie Marlinspike</a></span>
</td>
</tr>
<tr>
<th scope="row"><a href="Si%C3%A8ge_social" title="Siège social">Siège social</a>
</th>
<td><a href="San_Francisco" title="San Francisco">San Francisco</a><span class="wd_p159"></span>
</td>
</tr>
<tr>
<th scope="row"><a href="Biens_et_services_marchands" title="Biens et services marchands">Produits</a>
</th>
<td><span class="wd_p1056"><a href="Signal_(application)" title="Signal (application)">Signal</a><sup id="cite_ref-wikidata-746f097138caca66244cdeb33f566eb02211d08a_1-0" class="reference"><a href="#cite_note-wikidata-746f097138caca66244cdeb33f566eb02211d08a-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>, <a href="Signal_Protocol" title="Signal Protocol">Protocole Signal</a>, <a href="TextSecure" title="TextSecure">TextSecure</a><sup id="cite_ref-wikidata-4e3c78f9db1058b67955ed5d7d0076128704ec70_2-0" class="reference"><a href="#cite_note-wikidata-4e3c78f9db1058b67955ed5d7d0076128704ec70-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> et <a href="Algorithme_%C3%A0_Double_Ratchet" title="Algorithme à Double Ratchet">algorithme à Double Ratchet</a></span>
</td>
</tr>
<tr>
<th scope="row">Effectif
</th>
<td><span class="wd_p1128">6</span>
</td>
</tr>
<tr>
<th scope="row"><a href="Site_web" title="Site web">Site web</a>
</th>
<td><span class="wd_p856"><a rel="nofollow" class="external text" href="https://whispersystems.org">whispersystems.org</a></span>
</td>
</tr>
<tr>
</tr>
</tbody></table>
<p><b>Open Whisper Systems</b> est une <a href="Entreprise" title="Entreprise">entreprise</a> fondée en <a href="2013" title="2013">2013</a> par Moxie Marlinspike (pseudonyme de Matthew Rosenfeld). Elle a développé un algorithme de <a href="Chiffrement" title="Chiffrement">chiffrement</a> des <a href="Communication" title="Communication">communications</a> nommé <a href="Signal_Protocol" title="Signal Protocol">Signal Protocol</a> et maintient plusieurs <a href="Application_(informatique)" title="Application (informatique)">applications</a> <a href="Open_source" title="Open source">open source</a> dont le système de messages <a href="Signal_(application)" title="Signal (application)">Signal</a><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>, à destination des appareils mobiles et des <a href="Ordinateurs_personnels" class="mw-redirect" title="Ordinateurs personnels">ordinateurs personnels</a> sous <a href="Windows" class="mw-redirect" title="Windows">Windows</a>, <a href="MacOS" title="MacOS">MacOS</a> et <a href="GNU/Linux" class="mw-redirect" title="GNU/Linux">GNU/Linux</a>.
</p><p>L'entreprise se finance par des dons et est soutenue par l'Open Technology Fund <a href="https://en.wikipedia.org/wiki/Open_Technology_Fund" class="extiw external" title="en:Open Technology Fund"><span class="indicateur-langue" title="Article en anglais : « Open Technology Fund »">(en)</span></a>, une organisation financée par le gouvernement des <a href="%C3%89tats-Unis" title="États-Unis">États-Unis</a> pour promouvoir les libertés sur l'<a href="Internet" title="Internet">Internet</a>. Elle a également reçu des fonds de la Shuttleworth Foundation et de la <a href="Fondation_Knight" title="Fondation Knight">Knight Foundation</a><sup id="cite_ref-:0_4-0" class="reference"><a href="#cite_note-:0-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>. Bien qu'elle n'ait jamais publié de bilan financiers, une grande partie proviendraient de la communauté du renseignement des États-Unis<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup>.
</p><p>Ses locaux se situaient dans le quartier de <a href="Mission_Bay_(San_Francisco)" title="Mission Bay (San Francisco)">Mission Bay</a> à San Francisco<sup id="cite_ref-:0_4-1" class="reference"><a href="#cite_note-:0-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>.
</p><p>Le <time class="nowrap" datetime="2018-02-21" data-sort-value="2018-02-21">21 février 2018</time>, Moxie Marlinspike et le cofondateur de <a href="WhatsApp" title="WhatsApp">WhatsApp</a> <a href="Brian_Acton" title="Brian Acton">Brian Acton</a> annoncent la création de la fondation Signal sous le statut d'<a href="Organisation_501(c)(3)" title="Organisation 501(c)(3)">organisation non lucrative 501(c)(3)</a> des États-Unis, qui continuera le développement et la maintenance de la messagerie Signal<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup>.
</p>
<div class="mw-heading mw-heading2"><h2 id="Notes_et_références"><span id="Notes_et_r.C3.A9f.C3.A9rences"></span>Notes et références</h2></div>
<div class="references-small decimal" style=""><div class="mw-references-wrap"><ol class="references">
<li id="cite_note-wikidata-746f097138caca66244cdeb33f566eb02211d08a-1"><span class="mw-cite-backlink"><a href="#cite_ref-wikidata-746f097138caca66244cdeb33f566eb02211d08a_1-0">↑</a> </span><span class="reference-text"><span class="ouvrage">« <a rel="nofollow" class="external text" href="https://www.wired.com/2014/07/free-encrypted-calling-finally-comes-to-the-iphone/"><cite style="font-style:normal;">https://www.wired.com/2014/07/free-encrypted-calling-finally-comes-to-the-iphone/</cite></a> »</span></span>
</li>
<li id="cite_note-wikidata-4e3c78f9db1058b67955ed5d7d0076128704ec70-2"><span class="mw-cite-backlink"><a href="#cite_ref-wikidata-4e3c78f9db1058b67955ed5d7d0076128704ec70_2-0">↑</a> </span><span class="reference-text"><span class="ouvrage">« <a rel="nofollow" class="external text" href="https://whispersystems.org/blog/just-signal/"><cite style="font-style:normal;">https://whispersystems.org/blog/just-signal/</cite></a> »</span></span>
</li>
<li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a> </span><span class="reference-text"><span class="ouvrage" id="UntersingerMartel2014"><span class="ouvrage" id="Martin_UntersingerClément_Martel2014">Martin Untersinger et Clément Martel, « <cite style="font-style:normal">On a testé Signal, l'appli qui permet de passer des appels sécurisés</cite> », <i><a href="Le_Monde" title="Le Monde">Le Monde</a></i>, <time class="nowrap" datetime="2014-08-09" data-sort-value="2014-08-09">9 août 2014</time> <small style="line-height:1em;">(<a rel="nofollow" class="external text" href="https://www.lemonde.fr/pixels/article/2014/08/09/on-a-teste-signal-l-appli-qui-permet-de-passer-des-appels-securises_4469278_4408996.html">lire en ligne</a>, consulté le <time class="nowrap" datetime="2018-08-07" data-sort-value="2018-08-07">7 août 2018</time>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=On+a+test%C3%A9+Signal%2C+l%27appli+qui+permet+de+passer+des+appels+s%C3%A9curis%C3%A9s&rft.jtitle=Le+Monde&rft.aulast=Untersinger&rft.aufirst=Martin&rft.au=Cl%C3%A9ment+Martel&rft.date=2014-08-09&rft_id=https%3A%2F%2Fwww.lemonde.fr%2Fpixels%2Farticle%2F2014%2F08%2F09%2Fon-a-teste-signal-l-appli-qui-permet-de-passer-des-appels-securises_4469278_4408996.html&rfr_id=info%3Asid%2Ffr.wikipedia.org%3AOpen+Whisper+Systems"></span></span></span></span>
</li>
<li id="cite_note-:0-4"><span class="reference-text"><span class="ouvrage" id="Wiener"><span class="ouvrage" id="Anna_Wiener"><abbr class="abbr indicateur-langue" title="Langue : anglais américain">(en-US)</abbr> Anna <span class="nom_auteur">Wiener</span>, « <a rel="nofollow" class="external text" href="https://www.newyorker.com/magazine/2020/10/26/taking-back-our-privacy"><cite style="font-style:normal;" lang="en-us">Taking Back Our Privacy</cite></a> », sur <span class="italique">The New Yorker</span> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2021-01-17" data-sort-value="2021-01-17">17 janvier 2021</time>)</small></span></span></span>
</li>
<li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a> </span><span class="reference-text"><span class="ouvrage" id="Klarenberg2023"><span class="ouvrage" id="Kit_Klarenberg2023"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> Kit <span class="nom_auteur">Klarenberg</span>, « <a rel="nofollow" class="external text" href="https://kitklarenberg.substack.com/p/signal-facing-collapse-after-cia"><cite style="font-style:normal;" lang="en">Signal Facing Collapse After CIA Cuts Funding</cite></a> », sur <span class="italique">substack.com</span>, <time class="nowrap" datetime="2023-12-03" data-sort-value="2023-12-03">3 décembre 2023</time> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2023-12-15" data-sort-value="2023-12-15">15 décembre 2023</time>)</small></span></span></span>
</li>
<li id="cite_note-6"><span class="mw-cite-backlink"><a href="#cite_ref-6">↑</a> </span><span class="reference-text"><span class="ouvrage" id="Greenberg2018"><span class="ouvrage" id="Andy_Greenberg2018"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> Andy <span class="nom_auteur">Greenberg</span>, « <a rel="nofollow" class="external text" href="https://www.wired.com/story/signal-foundation-whatsapp-brian-acton/"><cite style="font-style:normal;" lang="en">WhatsApp Co-Founder Puts $50M Into Signal To Supercharge Encrypted Messaging</cite></a> », sur <span class="italique"><a href="Wired_(magazine)" title="Wired (magazine)">Wired</a></span>, <time class="nowrap" datetime="2018-02-21" data-sort-value="2018-02-21">21 février 2018</time> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2023-12-15" data-sort-value="2023-12-15">15 décembre 2023</time>)</small></span></span></span>
</li>
</ol></div>
</div>
<ul id="bandeau-portail" class="bandeau-portail"><li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="noviewer skin-invert-image" typeof="mw:File"></span></span> <span class="bandeau-portail-texte">Portail des entreprises</span> </span></li> <li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="noviewer" typeof="mw:File"></span></span> <span class="bandeau-portail-texte">Portail de l’informatique</span> </span></li> <li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="mw-image-border noviewer" typeof="mw:File"></span></span> <span class="bandeau-portail-texte">Portail de San Francisco</span> </span></li> </ul></div><!--htdig_noindex--><div><div class="zim-footer">
Cet article est issu de <a class="external text" title="Dernière modification le 2025-03-16" href="https://fr.wikipedia.org/wiki/?title=Open_Whisper_Systems&oldid=223961450">Wikipédia</a>. Sauf mention contraire, le texte est disponible sous <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.fr">Creative Commons Attribution-Share Alike 4.0</a>. Des conditions supplémentaires peuvent s’appliquer aux fichiers multimédias.
</div>
</div><!--/htdig_noindex--></div>
</div>
</main>
</div>
</div>
</div>
<script src="./_webp_/webpHandler.js"></script>
</body></html>