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  464. 

  465. <h1 class="single">

  466.   <span><a id="jumper" href="#jumpto" title="Un peu perdu ?">?</a></span>

  467.   Chiffrer ses emails

  468.   <time>Publié le 8 mai 2015</time>

  469. </h1>

  470. <article class="single">

  471.   <blockquote>

  472. <p>For years we’ve trusted the postman to deliver our mail without reading it. Why should this be different for email? Soverin is the honest email service that doesn’t sell your data. </p>

  473. <p><cite><em><a href="https://soverin.net/">Soverin</a></em></cite></p>

  474. </blockquote>

  475. <p>L’autre option est de ne pas laisser le postier être en capacité de lire ses correspondances. Et c’est plus facile qu’il n’y parait. J’utilise <a href="https://keybase.io/">Keybase</a> associé à <a href="https://gpgtools.org/">GPGTools</a> dans Mail.app qui sont tous les deux plutôt faciles d’accès et me permettent ces pratiques :</p>

  476. <ul>

  477. <li><em>J’envoie tous mes emails en les signant.</em> Cela permet aux bénéficiaires d’être assurés qu’ils ont reçu un email de la personne gérant le site <code>larlet.fr</code> (vérification via keybase).</li>

  478. <li><em>Je réponds à tous les emails signés en les chiffrant.</em> Cela permet aux correspondants d’être assurés que le mail reçu ne peut être lu qu’avec leur clé et qu’il n’a pas été altéré pendant le transport.</li>

  479. </ul>

  480. <p><strong>Je vous encourage à faire de même si vous avez un hébergeur sur le territoire français</strong> (ou <a href="https://fr.news.yahoo.com/canada-va-exercer-contr%C3%B4le-in%C3%A9dit-dinternet-201155588.html">canadien</a> (<a href="/david/cache/210f5f4a05fb468f800948e8bedfaded/">cache</a>) ou plein d’autres, Fastmail semble <a href="http://blog.fastmail.com/2015/04/09/fastmail-is-not-required-to-implement-the-australian-metadata-retention-laws/">ne pas être affecté par la loi Australienne</a> (<a href="/david/cache/47f4ac7a2cad3de1bb17685c610a77fc/">cache</a>) à ce sujet).</p>

  481. <p>Il existe des outils alternatifs comme <a href="https://telegram.org/">Telegram</a>, <a href="https://tutanota.com/">Tutanota</a> ou <a href="http://www.mlstate.com/products.html">PEPS</a> que je n’ai pas eu le temps de tester. Pour aller plus loin vous pouvez même explorer <a href="https://hashicorp.com/blog/vault.html">Vault</a> (<a href="/david/cache/1ae2574ae3188b2349f7f04e6053d2c8/">cache</a>).</p>

  482. <p>Il y a tout de même des inconvénients :</p>

  483. <ul>

  484. <li><em>L’impossibilité de lire vos échanges chiffrés passés</em> si vous perdez votre clé.</li>

  485. <li><em>Les problèmes techniques qu’il peut y avoir</em> de votre côté ou de celui de votre interlocuteur pour déchiffrer les messages (mauvaise clé utilisée, mauvais plugins installés, etc).</li>

  486. <li><em>Les personnes qui ne comprennent pas la signature attachée</em> et tente de l’ouvrir comme une pièce jointe (véridique).</li>

  487. <li><em>Les vieux geeks aigris</em> :</li>

  488. </ul>

  489. <blockquote>

  490. <p>These are deep structural problems. GPG isn’t the thing that’s going to take us to ubiquitous end to end encryption, and if it were, it’d be kind of a shame to finally get there with 1990’s cryptography. If there’s any good news, it’s that GPG’s minimal install base means we aren’t locked in to this madness, and can start fresh with a different design philosophy. When we do, let’s use GPG as a warning for our new experiments, and remember that “innovation is saying ‘no’ to 1000 things.”</p>

  491. <p><cite><em><a href="http://www.thoughtcrime.org/blog/gpg-and-me/">GPG And Me</a></em> (<a href="/david/cache/505bc33094882e995c2b00ecd971b738/">cache</a>)</cite></p>

  492. </blockquote>

  493. </article>

  494. 

  495. 

  496.   <figure class="image" property="schema:image">

  497.     <img src="/static/david/blog/2015/chiffrer-emails.jpg" alt="" />

  498.   </figure>

  499. 

  500. 

  501. 

  502. <nav id="jumpto">

  503.   <p>

  504.     <a rel=prev href="/david/blog/2015/collaboration-technique/">← Collaboration technique</a> | <a href="/david/blog/" title="Retour à la liste des expériences">↑</a> | <a rel=next href="/david/blog/2015/strategies-sso/">Stratégies SSO →</a>

  505.   </p>

  506. </nav>

  507. 

  508. <footer>

  509.   <div>

  510.     <img src="/static/david/david-larlet-avatar.jpg" loading="lazy" class="avatar" width="200" height="200">

  511.     <p>

  512.       Bonjour/Hi!

  513.       Je suis <a href="/david/" title="Profil public">David&nbsp;Larlet</a>, je vis actuellement à Montréal et j’alimente cet espace depuis 15 ans. <br>

  514.       Si tu as apprécié cette lecture, n’hésite pas à poursuivre ton exploration. Par exemple via les <a href="/david/blog/" title="Expériences bienveillantes">réflexions bimestrielles</a>, la <a href="/david/stream/2019/" title="Pensées (dés)articulées">veille hebdomadaire</a> ou en t’abonnant au <a href="/david/log/" title="S’abonner aux publications via RSS">flux RSS</a> (<a href="/david/blog/2019/flux-rss/" title="Tiens c’est quoi un flux RSS ?">so 2005</a>).

  515.     </p>

  516.     <p>

  517.       Je m’intéresse à la place que je peux avoir dans ce monde. En tant qu’humain, en tant que membre d’une famille et en tant qu’associé d’une coopérative. De temps en temps, je fais aussi des <a href="https://github.com/davidbgk" title="Principalement sur Github mais aussi ailleurs">trucs techniques</a>. Et encore plus rarement, <a href="/david/talks/" title="En ce moment je laisse plutôt la place aux autres">j’en parle</a>.

  518.     </p>

  519. 

  520.       <p>

  521.         Les dernières publications hebdomadaires sont :

  522.       </p>

  523.       <ul class="with_columns">

  524. 

  525.           <li>

  526.             <a href="/david/stream/2019/12/31/">Merci</a>

  527.           </li>

  528. 

  529.           <li>

  530.             <a href="/david/stream/2019/12/27/">Intemporels</a>

  531.           </li>

  532. 

  533.           <li>

  534.             <a href="/david/stream/2019/12/24/">Outils</a>

  535.           </li>

  536. 

  537.           <li>

  538.             <a href="/david/stream/2019/12/17/">Origines</a>

  539.           </li>

  540. 

  541.           <li>

  542.             <a href="/david/stream/2019/12/10/">Publier</a>

  543.           </li>

  544. 

  545.           <li>

  546.             <a href="/david/stream/2019/12/03/">En forêt</a>

  547.           </li>

  548. 

  549.           <li>

  550.             <a href="/david/stream/2019/11/26/">Ecocentric</a>

  551.           </li>

  552. 

  553.           <li>

  554.             <a href="/david/stream/2019/11/19/">Se livrer</a>

  555.           </li>

  556. 

  557.           <li>

  558.             <a href="/david/stream/2019/11/12/">Dépendances</a>

  559.           </li>

  560. 

  561.           <li>

  562.             <a href="/david/stream/2019/11/05/">Positif</a>

  563.           </li>

  564. 

  565.           <li>

  566.             <a href="/david/stream/2019/10/29/">Dettes</a>

  567.           </li>

  568. 

  569.           <li>

  570.             <a href="/david/stream/2019/10/22/">Privilèges</a>

  571.           </li>

  572. 

  573.           <li>

  574.             <a href="/david/stream/2019/10/15/">Discrétion</a>

  575.           </li>

  576. 

  577.           <li>

  578.             <a href="/david/stream/2019/10/08/">Désespérance</a>

  579.           </li>

  580. 

  581.           <li>

  582.             <a href="/david/stream/2019/10/01/">Présent</a>

  583.           </li>

  584. 

  585.           <li>

  586.             <a href="/david/stream/2019/09/24/">Manifester</a>

  587.           </li>

  588. 

  589.           <li>

  590.             <a href="/david/stream/2019/09/17/">Arpenter</a>

  591.           </li>

  592. 

  593.           <li>

  594.             <a href="/david/stream/2019/09/10/">Nostalgie</a>

  595.           </li>

  596. 

  597.           <li>

  598.             <a href="/david/stream/2019/09/03/">Déconstruire</a>

  599.           </li>

  600. 

  601.           <li>

  602.             <a href="/david/stream/2019/08/27/">Documenter</a>

  603.           </li>

  604. 

  605.           <li>

  606.             <a href="/david/stream/2019/08/20/">Frustration</a>

  607.           </li>

  608. 

  609.           <li>

  610.             <a href="/david/stream/2019/08/13/">Holisme</a>

  611.           </li>

  612. 

  613.           <li>

  614.             <a href="/david/stream/2019/08/06/">1%</a>

  615.           </li>

  616. 

  617.           <li>

  618.             <a href="/david/stream/2019/07/30/">Exemplarité</a>

  619.           </li>

  620. 

  621.           <li>

  622.             <a href="/david/stream/2019/07/23/">Timelines</a>

  623.           </li>

  624. 

  625.           <li>

  626.             <a href="/david/stream/2019/07/16/">Écoute</a>

  627.           </li>

  628. 

  629.           <li>

  630.             <a href="/david/stream/2019/07/02/">Anxiété</a>

  631.           </li>

  632. 

  633.           <li>

  634.             <a href="/david/stream/2019/06/21/">À lier</a>

  635.           </li>

  636. 

  637.           <li>

  638.             <a href="/david/stream/2019/06/14/">Pauvreté</a>

  639.           </li>

  640. 

  641.           <li>

  642.             <a href="/david/stream/2019/06/07/">Amateur</a>

  643.           </li>

  644. 

  645.           <li>

  646.             <a href="/david/stream/2019/05/31/">Pollution</a>

  647.           </li>

  648. 

  649.           <li>

  650.             <a href="/david/stream/2019/05/24/">Apaisement</a>

  651.           </li>

  652. 

  653.           <li>

  654.             <a href="/david/stream/2019/05/10/">Folie</a>

  655.           </li>

  656. 

  657.           <li>

  658.             <a href="/david/stream/2019/05/03/">Sympathie</a>

  659.           </li>

  660. 

  661.           <li>

  662.             <a href="/david/stream/2019/04/12/">Péremption</a>

  663.           </li>

  664. 

  665.           <li>

  666.             <a href="/david/stream/2019/04/05/">Définitions</a>

  667.           </li>

  668. 

  669.           <li>

  670.             <a href="/david/stream/2019/03/29/">Acceptation</a>

  671.           </li>

  672. 

  673.           <li>

  674.             <a href="/david/stream/2019/03/22/">Dissonance</a>

  675.           </li>

  676. 

  677.           <li>

  678.             <a href="/david/stream/2019/03/15/">Reconnaissance</a>

  679.           </li>

  680. 

  681.           <li>

  682.             <a href="/david/stream/2019/03/08/">Lecture</a>

  683.           </li>

  684. 

  685.           <li>

  686.             <a href="/david/stream/2019/03/01/">Journaux</a>

  687.           </li>

  688. 

  689.           <li>

  690.             <a href="/david/stream/2019/02/22/">Écriture</a>

  691.           </li>

  692. 

  693.           <li>

  694.             <a href="/david/stream/2019/02/15/">Kyriarchie</a>

  695.           </li>

  696. 

  697.           <li>

  698.             <a href="/david/stream/2019/02/08/">Mots-serrures</a>

  699.           </li>

  700. 

  701.           <li>

  702.             <a href="/david/stream/2019/02/01/">Sans voie</a>

  703.           </li>

  704. 

  705.           <li>

  706.             <a href="/david/stream/2019/01/25/">Auto-diagnostic</a>

  707.           </li>

  708. 

  709.           <li>

  710.             <a href="/david/stream/2019/01/18/">Agilité</a>

  711.           </li>

  712. 

  713.           <li>

  714.             <a href="/david/stream/2019/01/11/">Métaphores</a>

  715.           </li>

  716. 

  717.           <li>

  718.             <a href="/david/stream/2019/01/04/">Balbutiements</a>

  719.           </li>

  720. 

  721.       </ul>

  722. 

  723.     <p>

  724.       Voici quelques articles choisis :

  725.       <a href="/david/blog/2019/faire-equipe/" title="Accéder à l’article complet">Faire équipe</a>,

  726.       <a href="/david/blog/2018/bivouac-automnal/" title="Accéder à l’article complet">Bivouac automnal</a>,

  727.       <a href="/david/blog/2018/commodite-effondrement/" title="Accéder à l’article complet">Commodité et effondrement</a>,

  728.       <a href="/david/blog/2017/donnees-communs/" title="Accéder à l’article complet">Des données aux communs</a>,

  729.       <a href="/david/blog/2016/accompagner-enfant/" title="Accéder à l’article complet">Accompagner un enfant</a>,

  730.       <a href="/david/blog/2016/senior-developer/" title="Accéder à l’article complet">Senior developer</a>,

  731.       <a href="/david/blog/2016/illusion-sociale/" title="Accéder à l’article complet">L’illusion sociale</a>,

  732.       <a href="/david/blog/2016/instantane-scopyleft/" title="Accéder à l’article complet">Instantané Scopyleft</a>,

  733.       <a href="/david/blog/2016/enseigner-web/" title="Accéder à l’article complet">Enseigner le Web</a>,

  734.       <a href="/david/blog/2016/simplicite-defaut/" title="Accéder à l’article complet">Simplicité par défaut</a>,

  735.       <a href="/david/blog/2016/minimalisme-esthetique/" title="Accéder à l’article complet">Minimalisme et esthétique</a>,

  736.       <a href="/david/blog/2014/un-web-omni-present/" title="Accéder à l’article complet">Un web omni-présent</a>,

  737.       <a href="/david/blog/2014/manifeste-developpeur/" title="Accéder à l’article complet">Manifeste de développeur</a>,

  738.       <a href="/david/blog/2013/confort-convivialite/" title="Accéder à l’article complet">Confort et convivialité</a>,

  739.       <a href="/david/blog/2013/testament-numerique/" title="Accéder à l’article complet">Testament numérique</a>,

  740.       et <a href="/david/blog/" title="Accéder aux archives">bien d’autres…</a>

  741.     </p>

  742.     <p>

  743.       On peut <a href="mailto:david%40larlet.fr" title="Envoyer un courriel">échanger par courriel</a>. Si éventuellement tu souhaites que l’on travaille ensemble, tu devrais commencer par consulter le <a href="http://larlet.com">profil dédié à mon activité professionnelle</a> et/ou contacter directement <a href="http://scopyleft.fr/">scopyleft</a>, la <abbr title="Société coopérative et participative">SCOP</abbr> dont je fais partie depuis six ans. Je recommande au préalable de lire <a href="/david/blog/2018/cout-site/" title="Attention ce qui va suivre peut vous choquer">combien coûte un site</a> et pourquoi je suis plutôt favorable à une <a href="/david/pro/devis/" title="Discutons-en !">non-demande de devis</a>.

  744.     </p>

  745.     <p>

  746.       Je ne traque pas ta navigation mais mon

  747.       <abbr title="Alwaysdata, 62 rue Tiquetonne 75002 Paris, +33.184162340">hébergeur</abbr>

  748.       conserve des logs d’accès.

  749.     </p>

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