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<h3>
Eric S. Raymond pushed to branch master
at <a href="https://gitlab.com/NTPsec/ntpsec">NTPsec / ntpsec</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.com/NTPsec/ntpsec/-/commit/974bcf02108f94a23eb619619e706b720aeb2ddd">974bcf02</a></strong>
<div>
<span>by Eric S. Raymond</span>
<i>at 2020-09-02T15:51:48-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">When Python 3 is available, use trhe secrets library.

The distribution in the randomness function is better.
Patch by James Browning.
</pre>
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<h4>1 changed file:</h4>
<ul>
<li class="file-stats">
<a href="#e44a92ff505b2711196bb01a31b99da8b5612aa5">
ntpclients/ntpkeygen.py
</a>
</li>
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<h4>Changes:</h4>
<li id="e44a92ff505b2711196bb01a31b99da8b5612aa5">
<a href="https://gitlab.com/NTPsec/ntpsec/-/commit/974bcf02108f94a23eb619619e706b720aeb2ddd#e44a92ff505b2711196bb01a31b99da8b5612aa5"><strong>ntpclients/ntpkeygen.py</strong></a>
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<pre style="margin: 0;"> <span id="LC23" class="line" lang="python"><span class="kn" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">os</span></span>
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<pre style="margin: 0;"> <span id="LC24" class="line" lang="python"><span class="kn" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">sys</span></span>
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<pre style="margin: 0;"> <span id="LC25" class="line" lang="python"><span class="kn" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">socket</span></span>
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<pre style="margin: 0;">-<span id="LC26" class="line" lang="python"><span class="kn" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">random</span></span>
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<pre style="margin: 0;"> <span id="LC26" class="line" lang="python"><span class="kn" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">time</span></span>
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<pre style="margin: 0;"> <span id="LC27" class="line" lang="python"><span class="kn" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">getopt</span></span>
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<pre style="margin: 0;"> <span id="LC28" class="line" lang="python"><span class="kn" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">stat</span></span>
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<pre style="margin: 0;"> <span id="LC29" class="line" lang="python"></span>
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<pre style="margin: 0;">+<span id="LC30" class="line" lang="python"><span class="k" style="font-weight: 600;">try</span><span class="p">:</span></span>
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<pre style="margin: 0;">+<span id="LC31" class="line" lang="python">    <span class="kn" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">secrets</span></span>
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<pre style="margin: 0;">+<span id="LC32" class="line" lang="python">    <span class="k" style="font-weight: 600;">def</span> <span class="nf" style="color: #900; font-weight: 600;">gen_key</span><span class="p">(</span><span class="nb" style="color: #0086b3;">bytes</span><span class="p">,</span> <span class="n" style="color: #333;">asciified</span><span class="o" style="font-weight: 600;">=</span><span class="bp" style="color: #999;">True</span><span class="p">):</span></span>
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<pre style="margin: 0;">+<span id="LC33" class="line" lang="python">        <span class="k" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">asciified</span><span class="p">:</span></span>
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<pre style="margin: 0;">+<span id="LC34" class="line" lang="python">            <span class="n" style="color: #333;">result</span> <span class="o" style="font-weight: 600;">=</span> <span class="s" style="color: #d14;">''</span></span>
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<pre style="margin: 0;">+<span id="LC35" class="line" lang="python">            <span class="k" style="font-weight: 600;">for</span> <span class="n" style="color: #333;">index</span> <span class="ow" style="font-weight: 600;">in</span> <span class="nb" style="color: #0086b3;">range</span><span class="p">(</span><span class="nb" style="color: #0086b3;">bytes</span><span class="p">):</span></span>
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<pre style="margin: 0;">+<span id="LC36" class="line" lang="python">                <span class="n" style="color: #333;">result</span> <span class="o" style="font-weight: 600;">+=</span> <span class="nb" style="color: #0086b3;">chr</span><span class="p">(</span><span class="mh" style="color: #099;">0x21</span> <span class="o" style="font-weight: 600;">+</span> <span class="n" style="color: #333;">secrets</span><span class="p">.</span><span class="n" style="color: #333;">randbelow</span><span class="p">(</span><span class="mh" style="color: #099;">0x5d</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC37" class="line" lang="python">            <span class="k" style="font-weight: 600;">return</span> <span class="n" style="color: #333;">result</span></span>
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<pre style="margin: 0;">+<span id="LC38" class="line" lang="python">        <span class="k" style="font-weight: 600;">else</span><span class="p">:</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="39" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC39" class="line" lang="python">            <span class="k" style="font-weight: 600;">return</span> <span class="n" style="color: #333;">secrets</span><span class="p">.</span><span class="n" style="color: #333;">token_hex</span><span class="p">(</span><span class="nb" style="color: #0086b3;">bytes</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="31" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="40" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC40" class="line" lang="python"><span class="k" style="font-weight: 600;">except</span> <span class="nb" style="color: #0086b3;">ImportError</span><span class="p">:</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="31" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="41" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC41" class="line" lang="python">    <span class="kn" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">random</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="42" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC42" class="line" lang="python">    <span class="k" style="font-weight: 600;">def</span> <span class="nf" style="color: #900; font-weight: 600;">gen_key</span><span class="p">(</span><span class="nb" style="color: #0086b3;">bytes</span><span class="p">,</span> <span class="n" style="color: #333;">asciified</span><span class="o" style="font-weight: 600;">=</span><span class="bp" style="color: #999;">True</span><span class="p">):</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="31" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="43" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC43" class="line" lang="python">        <span class="n" style="color: #333;">result</span> <span class="o" style="font-weight: 600;">=</span> <span class="s" style="color: #d14;">''</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="31" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="44" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC44" class="line" lang="python">        <span class="k" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">asciified</span><span class="p">:</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="31" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="45" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC45" class="line" lang="python">            <span class="k" style="font-weight: 600;">for</span> <span class="n" style="color: #333;">index</span> <span class="ow" style="font-weight: 600;">in</span> <span class="nb" style="color: #0086b3;">range</span><span class="p">(</span><span class="nb" style="color: #0086b3;">bytes</span><span class="p">):</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="31" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="46" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC46" class="line" lang="python">                <span class="n" style="color: #333;">result</span> <span class="o" style="font-weight: 600;">+=</span> <span class="nb" style="color: #0086b3;">chr</span><span class="p">(</span><span class="n" style="color: #333;">random</span><span class="p">.</span><span class="n" style="color: #333;">randint</span><span class="p">(</span><span class="mh" style="color: #099;">0x21</span><span class="p">,</span> <span class="mh" style="color: #099;">0x7e</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="47" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC47" class="line" lang="python">        <span class="k" style="font-weight: 600;">else</span><span class="p">:</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="31" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="48" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC48" class="line" lang="python">            <span class="k" style="font-weight: 600;">for</span> <span class="n" style="color: #333;">index</span> <span class="ow" style="font-weight: 600;">in</span> <span class="nb" style="color: #0086b3;">range</span><span class="p">(</span><span class="nb" style="color: #0086b3;">bytes</span><span class="p">):</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="31" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="49" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC49" class="line" lang="python">                <span class="n" style="color: #333;">result</span> <span class="o" style="font-weight: 600;">+=</span> <span class="s" style="color: #d14;">"%02x"</span> <span class="o" style="font-weight: 600;">%</span> <span class="n" style="color: #333;">random</span><span class="p">.</span><span class="n" style="color: #333;">randint</span><span class="p">(</span><span class="mh" style="color: #099;">0x0</span><span class="p">,</span> <span class="mh" style="color: #099;">0xff</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="31" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="50" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC50" class="line" lang="python">        <span class="k" style="font-weight: 600;">return</span> <span class="n" style="color: #333;">result</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC51" class="line" lang="python"></span>
</pre>
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<pre style="margin: 0;"> <span id="LC52" class="line" lang="python"><span class="c1" style="color: #998; font-style: italic;">#</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="32" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="53" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC53" class="line" lang="python"><span class="c1" style="color: #998; font-style: italic;"># Cryptodefines</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC54" class="line" lang="python"><span class="c1" style="color: #998; font-style: italic;">#</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="39" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="60" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -39,18 +60,10 @@ def gen_keys(ident, groupname):</td>
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<pre style="margin: 0;"> <span id="LC60" class="line" lang="python">    <span class="s" style="color: #d14;">"Generate semi-random AES keys for versions of ntpd with CMAC support."</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="61" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC61" class="line" lang="python">    <span class="k" style="font-weight: 600;">with</span> <span class="n" style="color: #333;">fheader</span><span class="p">(</span><span class="s" style="color: #d14;">"AES"</span><span class="p">,</span> <span class="n" style="color: #333;">ident</span><span class="p">,</span> <span class="n" style="color: #333;">groupname</span><span class="p">)</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">wp</span><span class="p">:</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="41" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="62" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC62" class="line" lang="python">        <span class="k" style="font-weight: 600;">for</span> <span class="n" style="color: #333;">i</span> <span class="ow" style="font-weight: 600;">in</span> <span class="nb" style="color: #0086b3;">range</span><span class="p">(</span><span class="mi" style="color: #099;">1</span><span class="p">,</span> <span class="n" style="color: #333;">NUMKEYS</span><span class="o" style="font-weight: 600;">+</span><span class="mi" style="color: #099;">1</span><span class="p">):</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="42" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="63" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC42" class="line" lang="python">            <span class="n" style="color: #333;">key</span> <span class="o" style="font-weight: 600;">=</span> <span class="s" style="color: #d14;">""</span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="63" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC43" class="line" lang="python">            <span class="k" style="font-weight: 600;">for</span> <span class="n" style="color: #333;">j</span> <span class="ow" style="font-weight: 600;">in</span> <span class="nb" style="color: #0086b3;">range</span><span class="p">(</span><span class="n" style="color: #333;">KEYSIZE</span><span class="p">):</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="44" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="63" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC44" class="line" lang="python">                <span class="k" style="font-weight: 600;">while</span> <span class="bp" style="color: #999;">True</span><span class="p">:</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="45" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="63" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC45" class="line" lang="python">                    <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">randomizer</span><span class="p">.</span><span class="n" style="color: #333;">randint</span><span class="p">(</span><span class="mh" style="color: #099;">0x21</span><span class="p">,</span> <span class="mh" style="color: #099;">0x7e</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="46" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="63" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC46" class="line" lang="python">                    <span class="k" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">!=</span> <span class="nb" style="color: #0086b3;">ord</span><span class="p">(</span><span class="s" style="color: #d14;">'#'</span><span class="p">):</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="47" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="63" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC47" class="line" lang="python">                        <span class="k" style="font-weight: 600;">break</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="48" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="63" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC48" class="line" lang="python">                <span class="n" style="color: #333;">key</span> <span class="o" style="font-weight: 600;">+=</span> <span class="nb" style="color: #0086b3;">chr</span><span class="p">(</span><span class="n" style="color: #333;">r</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="49" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC63" class="line" lang="python">            <span class="n" style="color: #333;">key</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">gen_key</span><span class="p">(</span><span class="n" style="color: #333;">KEYSIZE</span><span class="p">,</span> <span class="bp" style="color: #999;">True</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="49" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="64" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC64" class="line" lang="python">            <span class="n" style="color: #333;">wp</span><span class="p">.</span><span class="n" style="color: #333;">write</span><span class="p">(</span><span class="s" style="color: #d14;">"%2d AES %s</span><span class="se" style="color: #d14;">\n</span><span class="s" style="color: #d14;">"</span> <span class="o" style="font-weight: 600;">%</span> <span class="p">(</span><span class="n" style="color: #333;">i</span><span class="p">,</span> <span class="n" style="color: #333;">key</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="50" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="65" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC65" class="line" lang="python">        <span class="k" style="font-weight: 600;">for</span> <span class="n" style="color: #333;">i</span> <span class="ow" style="font-weight: 600;">in</span> <span class="nb" style="color: #0086b3;">range</span><span class="p">(</span><span class="mi" style="color: #099;">1</span><span class="p">,</span> <span class="n" style="color: #333;">NUMKEYS</span><span class="o" style="font-weight: 600;">+</span><span class="mi" style="color: #099;">1</span><span class="p">):</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="51" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="66" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC51" class="line" lang="python">            <span class="n" style="color: #333;">key</span> <span class="o" style="font-weight: 600;">=</span> <span class="s" style="color: #d14;">""</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="52" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="66" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC52" class="line" lang="python">            <span class="k" style="font-weight: 600;">for</span> <span class="n" style="color: #333;">j</span> <span class="ow" style="font-weight: 600;">in</span> <span class="nb" style="color: #0086b3;">range</span><span class="p">(</span><span class="n" style="color: #333;">KEYSIZE</span><span class="p">):</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="53" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="66" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC53" class="line" lang="python">                <span class="n" style="color: #333;">key</span> <span class="o" style="font-weight: 600;">+=</span> <span class="s" style="color: #d14;">"%02x"</span> <span class="o" style="font-weight: 600;">%</span> <span class="n" style="color: #333;">randomizer</span><span class="p">.</span><span class="n" style="color: #333;">randint</span><span class="p">(</span><span class="mh" style="color: #099;">0x00</span><span class="p">,</span> <span class="mh" style="color: #099;">0xff</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="54" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="66" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC66" class="line" lang="python">            <span class="n" style="color: #333;">key</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">gen_key</span><span class="p">(</span><span class="n" style="color: #333;">KEYSIZE</span><span class="p">,</span> <span class="bp" style="color: #999;">False</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="54" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="67" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC67" class="line" lang="python">            <span class="n" style="color: #333;">wp</span><span class="p">.</span><span class="n" style="color: #333;">write</span><span class="p">(</span><span class="s" style="color: #d14;">"%2d AES %s</span><span class="se" style="color: #d14;">\n</span><span class="s" style="color: #d14;">"</span> <span class="o" style="font-weight: 600;">%</span> <span class="p">(</span><span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">+</span> <span class="n" style="color: #333;">NUMKEYS</span><span class="p">,</span> <span class="n" style="color: #333;">key</span><span class="p">))</span></span>
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55
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68
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<pre style="margin: 0;"> <span id="LC68" class="line" lang="python"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="56" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="69" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
69
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<pre style="margin: 0;"> <span id="LC69" class="line" lang="python"></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="100" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -100,7 +113,6 @@ if __name__ == '__main__':</td>
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<td class="diff-line-num old_line" data-linenumber="100" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC113" class="line" lang="python"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="101" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="114" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC114" class="line" lang="python">    <span class="c1" style="color: #998; font-style: italic;"># The seed is ignored by random.SystemRandom,</span></span>
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<td class="diff-line-num old_line" data-linenumber="102" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="115" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC115" class="line" lang="python">    <span class="c1" style="color: #998; font-style: italic;"># even though the docs do not say so.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC103" class="line" lang="python">    <span class="n" style="color: #333;">randomizer</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">random</span><span class="p">.</span><span class="n" style="color: #333;">SystemRandom</span><span class="p">()</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="104" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC116" class="line" lang="python">    <span class="n" style="color: #333;">gen_keys</span><span class="p">(</span><span class="s" style="color: #d14;">"AES"</span><span class="p">,</span> <span class="n" style="color: #333;">socket</span><span class="p">.</span><span class="n" style="color: #333;">gethostname</span><span class="p">())</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="105" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC117" class="line" lang="python">    <span class="k" style="font-weight: 600;">raise</span> <span class="nb" style="color: #0086b3;">SystemExit</span><span class="p">(</span><span class="mi" style="color: #099;">0</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="106" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC118" class="line" lang="python"></span>
</pre>
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