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<div class="section" id="newt-resign-image">
<h1>newt resign-image<a class="headerlink" href="#newt-resign-image" title="Permalink to this headline"></a></h1>
<p>Sign or re-sign an existing image file.</p>
<div class="section" id="usage">
<h2>Usage:<a class="headerlink" href="#usage" title="Permalink to this headline"></a></h2>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">newt resign-image &lt;image-file&gt; [signing-key [key-id]][flags]</span>
</pre></div>
</div>
</div>
<div class="section" id="global-flags">
<h2>Global Flags:<a class="headerlink" href="#global-flags" title="Permalink to this headline"></a></h2>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">-h, --help Help for newt commands</span>
<span class="go">-j, --jobs int Number of concurrent build jobs (default 8)</span>
<span class="go">-l, --loglevel string Log level (default &quot;WARN&quot;)</span>
<span class="go">-o, --outfile string Filename to tee output to</span>
<span class="go">-q, --quiet Be quiet; only display error output</span>
<span class="go">-s, --silent Be silent; don&#39;t output anything</span>
<span class="go">-v, --verbose Enable verbose output when executing commands</span>
</pre></div>
</div>
</div>
<div class="section" id="description">
<h2>Description<a class="headerlink" href="#description" title="Permalink to this headline"></a></h2>
<p>Changes the signature of an existing image file. To sign an image, specify a .pem file for the <code class="docutils literal notranslate"><span class="pre">signing-key</span></code> and an
optional <code class="docutils literal notranslate"><span class="pre">key-id</span></code>. <code class="docutils literal notranslate"><span class="pre">key-id</span></code> must be a value between 0-255. If a signing key is not specified, the command strips the
current signature from the image file.</p>
<p>A new image header is created. The rest of the image is byte-for-byte equivalent to the original image.</p>
<p>Warning: The image hash will change if you change the key-id or the type of key used for signing.</p>
</div>
<div class="section" id="examples">
<h2>Examples<a class="headerlink" href="#examples" title="Permalink to this headline"></a></h2>
<table class="docutils align-default">
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<col style="width: 47%" />
<col style="width: 53%" />
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<tr class="row-odd"><th class="head"><p>Usage</p></th>
<th class="head"><p>Explanation</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">newt</span> <span class="pre">resign-image</span> <span class="pre">bin/targets/myble/app/apps/btshell/btshell.img</span> <span class="pre">private.pem</span></code></p></td>
<td><p>Signs the <code class="docutils literal notranslate"><span class="pre">bin/targets/myble/app/apps/btshell/btshell.img</span></code> file with the private.pem key.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">newt</span> <span class="pre">resign-image</span> <span class="pre">bin/targets/myble/app/apps/btshell/btshell.img</span></code></p></td>
<td><p>Strips the current signature from <code class="docutils literal notranslate"><span class="pre">bin/targets/myble/app/apps/btshell/btshell.img</span></code> file.</p></td>
</tr>
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