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aria-hidden="true">6.1.</strong> x86_64</a></li><li class="expanded "><a href="../arch/arm64.html"><strong aria-hidden="true">6.2.</strong> arm64</a></li></ol></li></ol> + </div> + <div id="sidebar-resize-handle" class="sidebar-resize-handle"></div> + </nav> + + <div id="page-wrapper" class="page-wrapper"> + + <div class="page"> + + <div id="menu-bar" class="menu-bar"> + <div id="menu-bar-sticky-container"> + <div class="left-buttons"> + <button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar"> + <i class="fa fa-bars"></i> + </button> + <button id="theme-toggle" class="icon-button" type="button" title="Change theme" aria-label="Change theme" aria-haspopup="true" aria-expanded="false" aria-controls="theme-list"> + <i class="fa fa-paint-brush"></i> + </button> + <ul id="theme-list" class="theme-popup" aria-label="Themes" role="menu"> + <li role="none"><button role="menuitem" class="theme" 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(Shortkey: s)" aria-label="Toggle Searchbar" aria-expanded="false" aria-keyshortcuts="S" aria-controls="searchbar"> + <i class="fa fa-search"></i> + </button> + + </div> + + <h1 class="menu-title">Notes</h1> + + <div class="right-buttons"> + <a href="../print.html" title="Print this book" aria-label="Print this book"> + <i id="print-button" class="fa fa-print"></i> + </a> + + </div> + </div> + </div> + + + <div id="search-wrapper" class="hidden"> + <form id="searchbar-outer" class="searchbar-outer"> + <input type="search" name="search" id="searchbar" name="searchbar" placeholder="Search this book ..." aria-controls="searchresults-outer" aria-describedby="searchresults-header"> + </form> + <div id="searchresults-outer" class="searchresults-outer hidden"> + <div id="searchresults-header" class="searchresults-header"></div> + <ul id="searchresults"> + </ul> + </div> + </div> + + + <!-- Apply ARIA attributes after the sidebar and the sidebar toggle button are added to the DOM --> + <script type="text/javascript"> + document.getElementById('sidebar-toggle').setAttribute('aria-expanded', sidebar === 'visible'); + document.getElementById('sidebar').setAttribute('aria-hidden', sidebar !== 'visible'); + Array.from(document.querySelectorAll('#sidebar a')).forEach(function(link) { + link.setAttribute('tabIndex', sidebar === 'visible' ? 0 : -1); + }); + </script> + + <div id="content" class="content"> + <main> + <h1><a class="header" href="#gpg1" id="gpg1">gpg(1)</a></h1> +<pre><code>gpg + -o|--output Specify output file + -a|--armor Create ascii output + -u|--local-user <name> Specify key for signing + -r|--recipient Encrypt for user +</code></pre> +<h2><a class="header" href="#generate-new-keypair" id="generate-new-keypair">Generate new keypair</a></h2> +<pre><code class="language-bash">gpg --full-generate-key +</code></pre> +<h2><a class="header" href="#list-keys" id="list-keys">List keys</a></h2> +<pre><code>gpg -k / --list-key # public keys +gpg -K / --list-secret-keys # secret keys +</code></pre> +<h2><a class="header" href="#edit-keys" id="edit-keys">Edit keys</a></h2> +<pre><code class="language-bash">gpg --edit-key <KEY ID> +</code></pre> +<p>Gives prompt to modify <code>KEY ID</code>, common commands:</p> +<pre><code class="language-bash">help show help +save save & quit + +list list keys and user IDs +key <N> select subkey <N> +uid <N> select user ID <N> + +expire change expiration of selected key + +adduid add user ID +deluid delete selected user ID + +addkey add subkey +delkey delete selected subkey +</code></pre> +<h2><a class="header" href="#export--import-keys" id="export--import-keys">Export & Import Keys</a></h2> +<pre><code class="language-bash">gpg --export --armor --output <KEY.PUB> <KEY ID> +gpg --import <FILE> +</code></pre> +<h2><a class="header" href="#search--send-keys" id="search--send-keys">Search & Send keys</a></h2> +<pre><code class="language-bash">gpg --keyserver <SERVER> --send-keys <KEY ID> +gpg --keyserver <SERVER> --search-keys <KEY ID> +</code></pre> +<h2><a class="header" href="#encrypt-passphrase" id="encrypt-passphrase">Encrypt (passphrase)</a></h2> +<p>Encrypt file using <code>passphrase</code> and write encrypted data to <code><file>.gpg</code>.</p> +<pre><code class="language-bash">gpg --symmetric <file> + +# Decrypt using passphrase +gpg -o <file> --decrypt <file>.gpg +</code></pre> +<h2><a class="header" href="#encrypt-public-key" id="encrypt-public-key">Encrypt (public key)</a></h2> +<p>Encrypt file with <code>public key</code> of specified <code>recipient</code> and write encrypted +data to <code><file>.gpg</code>.</p> +<pre><code class="language-bash">gpg --encrypt -r foo@bar.de <file> + +# Decrypt at foos side (private key required) +gpg -o <file> --decrypt <file>.gpg +</code></pre> +<h2><a class="header" href="#signing" id="signing">Signing</a></h2> +<p>Generate a signed file and write to <code><file>.gpg</code>.</p> +<pre><code class="language-bash">gpg --sign -u foor@bar.de <file> + +# Verify +gpg --verify <file> + +# Extract content from signed file +gpg -o <file> --decrypt <file>.gpg +</code></pre> +<blockquote> +<p>Without <code>-u</code> use first private key in list <code>gpg -K</code> for signing.</p> +</blockquote> +<p>Files can also be <code>signed</code> and <code>encrypted</code> at once, gpg will first sign the +file and then encrypt it.</p> +<pre><code class="language-bash">gpg --sign --encrypt <file> +</code></pre> +<h2><a class="header" href="#signing-detached" id="signing-detached">Signing (detached)</a></h2> +<p>Generate a <code>detached</code> signature and write to <code><file>.asc</code>. +Send <code><file>.asc</code> along with <code><file></code> when distributing.</p> +<pre><code class="language-bash">gpg --detach-sign --armor -u foor@bar.de <file> + +# Verify +gpg --verify <file>.asc <file> +</code></pre> +<blockquote> +<p>Without <code>-u</code> use first private key in list <code>gpg -K</code> for signing.</p> +</blockquote> +<h2><a class="header" href="#abbreviations" id="abbreviations">Abbreviations</a></h2> +<ul> +<li><code>sec</code> secret key</li> +<li><code>ssb</code> secret subkey</li> +<li><code>pub</code> public key</li> +<li><code>sub</code> public subkey</li> +</ul> +<h2><a class="header" href="#keyservers" id="keyservers">Keyservers</a></h2> +<ul> +<li>http://pgp.mit.edu</li> +<li>http://keyserver.ubuntu.com</li> +<li>hkps://pgp.mailbox.org</li> +</ul> + + </main> + + <nav class="nav-wrapper" aria-label="Page navigation"> + <!-- Mobile navigation buttons --> + + <a rel="prev" href="../tools/emacs.html" class="mobile-nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left"> + <i class="fa fa-angle-left"></i> + </a> + + + + <a rel="next" href="../tools/gdb.html" class="mobile-nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right"> + <i class="fa fa-angle-right"></i> + </a> + + + <div style="clear: both"></div> + 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