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<div class="title">rpcuser.py</div> </div>
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<a href="rpcuser_8py.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"><a class="line" href="namespacerpcuser.html"> 1</a></span>&#160;<span class="comment">#!/usr/bin/env python2 </span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"># Copyright (c) 2015 The Bitcoin Core developers </span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"># Distributed under the MIT software license, see the accompanying </span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"># file COPYING or http://www.opensource.org/licenses/mit-license.php.</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;</div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="keyword">import</span> hashlib</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="keyword">import</span> sys</div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="keyword">import</span> os</div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="keyword">from</span> random <span class="keyword">import</span> SystemRandom</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="keyword">import</span> base64</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="keyword">import</span> hmac</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="keywordflow">if</span> len(sys.argv) &lt; 2:</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; sys.stderr.write(<span class="stringliteral">&#39;Please include username as an argument.\n&#39;</span>)</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; sys.exit(0)</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="namespacerpcuser.html#ad89c5cb3db4e219ad1a3f0380b47012f"> 17</a></span>&#160;username = sys.argv[1]</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment">#This uses os.urandom() underneath</span></div><div class="line"><a name="l00020"></a><span class="lineno"><a class="line" href="namespacerpcuser.html#a7490f70a20b3bbece77452eed9e687e3"> 20</a></span>&#160;cryptogen = SystemRandom()</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment">#Create 16 byte hex salt</span></div><div class="line"><a name="l00023"></a><span class="lineno"><a class="line" href="namespacerpcuser.html#a9c122e3f74c1f5212ac0d29f7ab5b1db"> 23</a></span>&#160;salt_sequence = [cryptogen.randrange(256) <span class="keywordflow">for</span> i <span class="keywordflow">in</span> range(16)]</div><div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="namespacerpcuser.html#a42615e1b00cf9803a6986b3e87fd7d44"> 24</a></span>&#160;hexseq = list(map(hex, salt_sequence))</div><div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="namespacerpcuser.html#a85b0ada64c6a61eb16fe5ca6c0a7819d"> 25</a></span>&#160;salt = <span class="stringliteral">&quot;&quot;</span>.join([x[2:] <span class="keywordflow">for</span> x <span class="keywordflow">in</span> hexseq])</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="comment">#Create 32 byte b64 password</span></div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="namespacerpcuser.html#a27989199740678196f0ebf82ce41a9fa"> 28</a></span>&#160;password = base64.urlsafe_b64encode(os.urandom(32))</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="namespacerpcuser.html#ac04d3f00cd5565a17e0679bb43f6b6cf"> 30</a></span>&#160;digestmod = hashlib.sha256</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="keywordflow">if</span> sys.version_info.major &gt;= 3:</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; password = password.decode(<span class="stringliteral">&#39;utf-8&#39;</span>)</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; digestmod = <span class="stringliteral">&#39;SHA256&#39;</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; </div><div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="namespacerpcuser.html#a3954f26a62caac4cecefc546d9519ae9"> 36</a></span>&#160;m = hmac.new(bytearray(salt, <span class="stringliteral">&#39;utf-8&#39;</span>), bytearray(password, <span class="stringliteral">&#39;utf-8&#39;</span>), digestmod)</div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="namespacerpcuser.html#a637791b4450c02d511291cd297ce12df"> 37</a></span>&#160;result = m.hexdigest()</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;print(<span class="stringliteral">&quot;String to be appended to bitcoin.conf:&quot;</span>)</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;print(<span class="stringliteral">&quot;rpcauth=&quot;</span>+username+<span class="stringliteral">&quot;:&quot;</span>+salt+<span class="stringliteral">&quot;$&quot;</span>+result)</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;print(<span class="stringliteral">&quot;Your password:\n&quot;</span>+password)</div></div><!-- fragment --></div><!-- contents -->
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<li class="navelem"><a class="el" href="dir_8c428f345b527d2071b666c6f8374398.html">share</a></li><li class="navelem"><a class="el" href="dir_bdd8bc61b15be53575cef26087001ddf.html">rpcuser</a></li><li class="navelem"><a class="el" href="rpcuser_8py.html">rpcuser.py</a></li>
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