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<h1>Source code for M2Crypto.Rand</h1><div class="highlight"><pre>
<span></span><span class="kn">from</span> <span class="nn">__future__</span> <span class="kn">import</span> <span class="n">absolute_import</span>
<span class="sd">"""M2Crypto wrapper for OpenSSL PRNG. Requires OpenSSL 0.9.5 and above.</span>
<span class="sd">Copyright (c) 1999-2003 Ng Pheng Siong. All rights reserved."""</span>
<span class="kn">from</span> <span class="nn">M2Crypto</span> <span class="kn">import</span> <span class="n">m2</span><span class="p">,</span> <span class="n">util</span>
<span class="k">if</span> <span class="n">util</span><span class="o">.</span><span class="n">py27plus</span><span class="p">:</span>
<span class="kn">from</span> <span class="nn">typing</span> <span class="kn">import</span> <span class="n">AnyStr</span><span class="p">,</span> <span class="n">List</span> <span class="c1"># noqa</span>
<span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'rand_seed'</span><span class="p">,</span> <span class="s1">'rand_add'</span><span class="p">,</span> <span class="s1">'load_file'</span><span class="p">,</span> <span class="s1">'save_file'</span><span class="p">,</span> <span class="s1">'rand_bytes'</span><span class="p">,</span>
<span class="s1">'rand_pseudo_bytes'</span><span class="p">,</span> <span class="s1">'rand_file_name'</span><span class="p">,</span> <span class="s1">'rand_status'</span><span class="p">]</span>
<span class="n">rand_seed</span> <span class="o">=</span> <span class="n">m2</span><span class="o">.</span><span class="n">rand_seed</span> <span class="c1"># type: (bytes) -> None</span>
<span class="n">rand_add</span> <span class="o">=</span> <span class="n">m2</span><span class="o">.</span><span class="n">rand_add</span> <span class="c1"># type: (bytes, float) -> None</span>
<span class="n">load_file</span> <span class="o">=</span> <span class="n">m2</span><span class="o">.</span><span class="n">rand_load_file</span> <span class="c1"># type: (AnyStr, int) -> int</span>
<span class="n">save_file</span> <span class="o">=</span> <span class="n">m2</span><span class="o">.</span><span class="n">rand_save_file</span> <span class="c1"># type: (AnyStr) -> int</span>
<span class="n">rand_bytes</span> <span class="o">=</span> <span class="n">m2</span><span class="o">.</span><span class="n">rand_bytes</span> <span class="c1"># type: (int) -> bytes</span>
<span class="n">rand_status</span> <span class="o">=</span> <span class="n">m2</span><span class="o">.</span><span class="n">rand_status</span> <span class="c1"># type: () -> int</span>
<div class="viewcode-block" id="rand_pseudo_bytes"><a class="viewcode-back" href="../../M2Crypto.html#M2Crypto.Rand.rand_pseudo_bytes">[docs]</a><span class="k">def</span> <span class="nf">rand_pseudo_bytes</span><span class="p">(</span><span class="n">n</span><span class="p">):</span>
<span class="c1"># type: (int) -> Tuple[bytes, int]</span>
<span class="kn">import</span> <span class="nn">warnings</span>
<span class="n">warnings</span><span class="o">.</span><span class="n">warn</span><span class="p">(</span><span class="s1">'The underlying OpenSSL method has been '</span> <span class="o">+</span>
<span class="s1">'deprecated. Use Rand.rand_bytes instead.'</span><span class="p">,</span> <span class="ne">DeprecationWarning</span><span class="p">)</span>
<span class="k">return</span> <span class="n">m2</span><span class="o">.</span><span class="n">rand_pseudo_bytes</span><span class="p">(</span><span class="n">n</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="rand_file_name"><a class="viewcode-back" href="../../M2Crypto.html#M2Crypto.Rand.rand_file_name">[docs]</a><span class="k">def</span> <span class="nf">rand_file_name</span><span class="p">():</span>
<span class="c1"># type: () -> str</span>
<span class="k">return</span> <span class="n">util</span><span class="o">.</span><span class="n">py3str</span><span class="p">(</span><span class="n">m2</span><span class="o">.</span><span class="n">rand_file_name</span><span class="p">())</span></div>
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