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class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><h1>E2EE workflow</h1><div class="donate-links"><p><a href="https://www.paypal.com/donate/?business=E8JMYD2LQ8MMA&amp;no_recurring=0&amp;item_name=I+rely+on+donations+to+maintain+and+improve+the+Joplin+open+source+project.+Thank+you+for+your+help+-+it+makes+a+difference%21&amp;currency_code=EUR" target="_blank" rel="noopener noreferrer"><img loading="lazy" src="https://raw.githubusercontent.com/laurent22/joplin/dev/Assets/WebsiteAssets/images/badges/Donate-PayPal-green.svg" alt="Donate using PayPal" class="img_ev3q"></a> <a href="https://github.com/sponsors/laurent22/" target="_blank" rel="noopener noreferrer"><img loading="lazy" src="https://raw.githubusercontent.com/laurent22/joplin/dev/Assets/WebsiteAssets/images/badges/GitHub-Badge.svg" alt="Sponsor on GitHub" class="img_ev3q"></a> <a href="https://www.patreon.com/joplin" target="_blank" rel="noopener noreferrer"><img loading="lazy" src="https://raw.githubusercontent.com/laurent22/joplin/dev/Assets/WebsiteAssets/images/badges/Patreon-Badge.svg" alt="Become a patron" class="img_ev3q"></a> <a href="https://joplinapp.org/donate/#donations" target="_blank" rel="noopener noreferrer"><img loading="lazy" src="https://raw.githubusercontent.com/laurent22/joplin/dev/Assets/WebsiteAssets/images/badges/Donate-IBAN.svg" alt="Donate using IBAN" class="img_ev3q"></a></p></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="e2ee-setup">E2EE setup<a href="#e2ee-setup" class="hash-link" aria-label="Direct link to E2EE setup" title="Direct link to E2EE setup"></a></h2><p>This flowchart describes how E2EE is setup when the user enables it on a client (eg. desktop), and then what happens when they try to sync using a second client (eg. mobile).</p><img loading="lazy" alt="E2EE setup flowchart" src="https://raw.githubusercontent.com/laurent22/joplin/dev/Assets/WebsiteAssets/images/e2ee/e2ee-setup.png" width="100%" class="img_ev3q"><h2 class="anchor anchorWithStickyNavbar_LWe7" id="e2ee-synchronisation">E2EE synchronisation<a href="#e2ee-synchronisation" class="hash-link" aria-label="Direct link to E2EE synchronisation" title="Direct link to E2EE synchronisation"></a></h2><p>This flowchart describes at a high level how synchronisation works while E2EE is enabled.</p><img loading="lazy" alt="E2EE synchronisation flowchart" src="https://raw.githubusercontent.com/laurent22/joplin/dev/Assets/WebsiteAssets/images/e2ee/e2ee-sync.png" width="100%" class="img_ev3q"><h2 class="anchor anchorWithStickyNavbar_LWe7" id="e2ee-notebook-share">E2EE notebook share<a href="#e2ee-notebook-share" class="hash-link" aria-label="Direct link to E2EE notebook share" title="Direct link to E2EE notebook share"></a></h2><p>This flowchart describes how a user can share a notebook with another user.</p><img loading="lazy" alt="E2EE notebook share" src="https://raw.githubusercontent.com/laurent22/joplin/dev/Assets/WebsiteAssets/images/e2ee/e2ee-share.png" width="100%" class="img_ev3q"><p>After the invitation has been received and the key exchanged, the process is the same as in a regular synchronisation operation.</p><p>Both users have the notebook key encrypted with their own master password. 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