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<a href="#func-members">Functions</a> &#124;
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<div class="title">random.cpp File Reference</div> </div>
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<div class="textblock"><code>#include &quot;<a class="el" href="random_8h_source.html">random.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="cleanse_8h_source.html">support/cleanse.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="serialize_8h_source.html">serialize.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="util_8h_source.html">util.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="utilstrencodings_8h_source.html">utilstrencodings.h</a>&quot;</code><br />
<code>#include &lt;limits&gt;</code><br />
<code>#include &lt;sys/time.h&gt;</code><br />
<code>#include &lt;openssl/err.h&gt;</code><br />
<code>#include &lt;openssl/rand.h&gt;</code><br />
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<p><a href="random_8cpp_source.html">Go to the source code of this file.</a></p>
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Functions</h2></td></tr>
<tr class="memitem:a4018f69d23d8c061fb5d2c7c4d72bf19"><td class="memItemLeft" align="right" valign="top">static int64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="random_8cpp.html#a4018f69d23d8c061fb5d2c7c4d72bf19">GetPerformanceCounter</a> ()</td></tr>
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<tr class="memitem:ab699fbdf803610a4e2060fd87787f7e0"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="random_8cpp.html#ab699fbdf803610a4e2060fd87787f7e0">RandAddSeed</a> ()</td></tr>
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<tr class="memitem:a786af12a87491f8dc24351d93b9833b6"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="random_8cpp.html#a786af12a87491f8dc24351d93b9833b6">RandAddSeedPerfmon</a> ()</td></tr>
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<tr class="memitem:ada0c29949c4d1ac0cc027d93c4771423"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="random_8cpp.html#ada0c29949c4d1ac0cc027d93c4771423">GetRandBytes</a> (unsigned char *buf, int num)</td></tr>
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<tr class="memitem:a27d9149d522b1fa87d84e5e9ca902aef"><td class="memItemLeft" align="right" valign="top">uint64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="random_8cpp.html#a27d9149d522b1fa87d84e5e9ca902aef">GetRand</a> (uint64_t nMax)</td></tr>
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<tr class="memitem:a0e44e088732172da6662db2d5e37d4b2"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="random_8cpp.html#a0e44e088732172da6662db2d5e37d4b2">GetRandInt</a> (int nMax)</td></tr>
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<tr class="memitem:af3aedae75efabb170337a497457f7ecf"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classuint256.html">uint256</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="random_8cpp.html#af3aedae75efabb170337a497457f7ecf">GetRandHash</a> ()</td></tr>
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<tr class="memitem:aacea702dc3d4d2bcbbd5eb96d410417c"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="random_8cpp.html#aacea702dc3d4d2bcbbd5eb96d410417c">seed_insecure_rand</a> (bool fDeterministic)</td></tr>
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Variables</h2></td></tr>
<tr class="memitem:ad679dcd7cb4960c49a8d400bcc23b0d0"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="random_8cpp.html#ad679dcd7cb4960c49a8d400bcc23b0d0">insecure_rand_Rz</a> = 11</td></tr>
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<tr class="memitem:a45e4e024616db2e96c5ffc34928c553b"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="random_8cpp.html#a45e4e024616db2e96c5ffc34928c553b">insecure_rand_Rw</a> = 11</td></tr>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a4018f69d23d8c061fb5d2c7c4d72bf19">&#9670;&nbsp;</a></span>GetPerformanceCounter()</h2>
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<td class="memname">static int64_t GetPerformanceCounter </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td>
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<p class="definition">Definition at line <a class="el" href="random_8cpp_source.html#l00025">25</a> of file <a class="el" href="random_8cpp_source.html">random.cpp</a>.</p>
<p class="reference">Referenced by <a class="el" href="random_8cpp_source.html#l00038">RandAddSeed()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a27d9149d522b1fa87d84e5e9ca902aef">&#9670;&nbsp;</a></span>GetRand()</h2>
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<td class="memname">uint64_t GetRand </td>
<td>(</td>
<td class="paramtype">uint64_t&#160;</td>
<td class="paramname"><em>nMax</em></td><td>)</td>
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<p class="definition">Definition at line <a class="el" href="random_8cpp_source.html#l00094">94</a> of file <a class="el" href="random_8cpp_source.html">random.cpp</a>.</p>
<p class="reference">Referenced by <a class="el" href="net_8cpp_source.html#l00183">AdvertiseLocal()</a>, <a class="el" href="netbase_8cpp_source.html#l00612">ConnectSocketByName()</a>, <a class="el" href="net_8cpp_source.html#l00131">convertSeed6()</a>, <a class="el" href="random_8cpp_source.html#l00109">GetRandInt()</a>, <a class="el" href="net_8cpp_source.html#l02892">PoissonNextSend()</a>, <a class="el" href="net__processing_8cpp_source.html#l01074">ProcessMessage()</a>, <a class="el" href="wallet_8cpp_source.html#l02105">CWallet::ResendWalletTransactions()</a>, <a class="el" href="bloom_8cpp_source.html#l00266">CRollingBloomFilter::reset()</a>, and <a class="el" href="net_8cpp_source.html#l01522">CConnman::ThreadDNSAddressSeed()</a>.</p>
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<a id="ada0c29949c4d1ac0cc027d93c4771423"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ada0c29949c4d1ac0cc027d93c4771423">&#9670;&nbsp;</a></span>GetRandBytes()</h2>
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<td class="memname">void GetRandBytes </td>
<td>(</td>
<td class="paramtype">unsigned char *&#160;</td>
<td class="paramname"><em>buf</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>num</em>&#160;</td>
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<td></td>
<td>)</td>
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<p>Functions to gather random data via the OpenSSL PRNG </p>
<p class="definition">Definition at line <a class="el" href="random_8cpp_source.html#l00086">86</a> of file <a class="el" href="random_8cpp_source.html">random.cpp</a>.</p>
<p class="reference">Referenced by <a class="el" href="net_8cpp_source.html#l02796">CNode::CalculateKeyedNetGroup()</a>, <a class="el" href="net_8cpp_source.html#l02665">CNode::CNode()</a>, <a class="el" href="dbwrapper_8cpp_source.html#l00124">CDBWrapper::CreateObfuscateKey()</a>, <a class="el" href="key_8cpp_source.html#l00304">ECC_Start()</a>, <a class="el" href="wallet_8cpp_source.html#l00723">CWallet::EncryptWallet()</a>, <a class="el" href="bip39_8cpp_source.html#l00034">CMnemonic::Generate()</a>, <a class="el" href="rpc_2protocol_8cpp_source.html#l00079">GenerateAuthCookie()</a>, <a class="el" href="keepass_8cpp_source.html#l00229">CKeePassIntegrator::generateRandomKey()</a>, <a class="el" href="random_8cpp_source.html#l00094">GetRand()</a>, <a class="el" href="random_8cpp_source.html#l00114">GetRandHash()</a>, <a class="el" href="random_8cpp_source.html#l00141">InsecureRand::InsecureRand()</a>, <a class="el" href="key_8cpp_source.html#l00126">CKey::MakeNewKey()</a>, <a class="el" href="torcontrol_8cpp_source.html#l00538">TorController::protocolinfo_cb()</a>, <a class="el" href="random_8cpp_source.html#l00123">seed_insecure_rand()</a>, <a class="el" href="net__processing_8cpp_source.html#l02296">SendMessages()</a>, <a class="el" href="key_8cpp_source.html#l00184">CKey::VerifyPubKey()</a>, <a class="el" href="addrdb_8cpp_source.html#l00121">CAddrDB::Write()</a>, and <a class="el" href="addrdb_8cpp_source.html#l00024">CBanDB::Write()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#af3aedae75efabb170337a497457f7ecf">&#9670;&nbsp;</a></span>GetRandHash()</h2>
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<td class="memname"><a class="el" href="classuint256.html">uint256</a> GetRandHash </td>
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<p class="definition">Definition at line <a class="el" href="random_8cpp_source.html#l00114">114</a> of file <a class="el" href="random_8cpp_source.html">random.cpp</a>.</p>
<p class="reference">Referenced by <a class="el" href="addrman_8h_source.html#l00437">CAddrMan::Clear()</a>, <a class="el" href="net__processing_8cpp_source.html#l00568">LimitOrphanTxSize()</a>, <a class="el" href="net__processing_8cpp_source.html#l00752">RelayAddress()</a>, and <a class="el" href="net__processing_8cpp_source.html#l02296">SendMessages()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a0e44e088732172da6662db2d5e37d4b2">&#9670;&nbsp;</a></span>GetRandInt()</h2>
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<td class="memname">int GetRandInt </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>nMax</em></td><td>)</td>
<td></td>
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<p class="definition">Definition at line <a class="el" href="random_8cpp_source.html#l00109">109</a> of file <a class="el" href="random_8cpp_source.html">random.cpp</a>.</p>
<p class="reference">Referenced by <a class="el" href="privatesend-server_8cpp_source.html#l00392">CPrivateSendServer::ChargeFees()</a>, <a class="el" href="privatesend-server_8cpp_source.html#l00469">CPrivateSendServer::ChargeRandomFees()</a>, <a class="el" href="masternodeman_8cpp_source.html#l00158">CMasternodeMan::CheckAndRemove()</a>, <a class="el" href="privatesend-server_8cpp_source.html#l00720">CPrivateSendServer::CreateNewSession()</a>, <a class="el" href="wallet_8cpp_source.html#l03173">CWallet::CreateTransaction()</a>, <a class="el" href="privatesend-client_8cpp_source.html#l00695">CPrivateSendClient::DoAutomaticDenominating()</a>, <a class="el" href="privatesend_8cpp_source.html#l00271">CPrivateSend::GetDenominations()</a>, <a class="el" href="privatesend-client_8cpp_source.html#l01039">CPrivateSendClient::PrepareDenominate()</a>, <a class="el" href="addrman_8cpp_source.html#l00516">CAddrMan::RandomInt()</a>, <a class="el" href="governance_8cpp_source.html#l01100">CGovernanceManager::RequestGovernanceObject()</a>, <a class="el" href="wallet_8cpp_source.html#l02762">CWallet::SelectCoinsByDenominations()</a>, <a class="el" href="wallet_8cpp_source.html#l02498">CWallet::SelectCoinsMinConf()</a>, <a class="el" href="masternodeman_8cpp_source.html#l01061">CMasternodeMan::SendVerifyRequest()</a>, <a class="el" href="privatesend-client_8cpp_source.html#l01416">ThreadCheckPrivateSendClient()</a>, and <a class="el" href="net_8cpp_source.html#l01620">CConnman::ThreadOpenConnections()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ab699fbdf803610a4e2060fd87787f7e0">&#9670;&nbsp;</a></span>RandAddSeed()</h2>
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<td class="memname">void RandAddSeed </td>
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<p>Seed OpenSSL PRNG with additional entropy data </p>
<p class="definition">Definition at line <a class="el" href="random_8cpp_source.html#l00038">38</a> of file <a class="el" href="random_8cpp_source.html">random.cpp</a>.</p>
<p class="reference">Referenced by <a class="el" href="util_8cpp_source.html#l00152">CInit::CInit()</a>, and <a class="el" href="random_8cpp_source.html#l00046">RandAddSeedPerfmon()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a786af12a87491f8dc24351d93b9833b6">&#9670;&nbsp;</a></span>RandAddSeedPerfmon()</h2>
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<td class="memname">void RandAddSeedPerfmon </td>
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<p class="definition">Definition at line <a class="el" href="random_8cpp_source.html#l00046">46</a> of file <a class="el" href="random_8cpp_source.html">random.cpp</a>.</p>
<p class="reference">Referenced by <a class="el" href="init_8cpp_source.html#l00942">AppInit2()</a>, <a class="el" href="wallet_8cpp_source.html#l00723">CWallet::EncryptWallet()</a>, <a class="el" href="keepass_8cpp_source.html#l00229">CKeePassIntegrator::generateRandomKey()</a>, <a class="el" href="key_8cpp_source.html#l00126">CKey::MakeNewKey()</a>, and <a class="el" href="net__processing_8cpp_source.html#l01074">ProcessMessage()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aacea702dc3d4d2bcbbd5eb96d410417c">&#9670;&nbsp;</a></span>seed_insecure_rand()</h2>
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<td class="memname">void seed_insecure_rand </td>
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<td class="paramtype">bool&#160;</td>
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<p>Seed insecure_rand using the random pool. </p><dl class="params"><dt>Parameters</dt><dd>
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<p class="definition">Definition at line <a class="el" href="random_8cpp_source.html#l00123">123</a> of file <a class="el" href="random_8cpp_source.html">random.cpp</a>.</p>
<p class="reference">Referenced by <a class="el" href="init_8cpp_source.html#l00942">AppInit2()</a>, and <a class="el" href="wallet_8cpp_source.html#l02423">ApproximateBestSubset()</a>.</p>
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<h2 class="groupheader">Variable Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a45e4e024616db2e96c5ffc34928c553b">&#9670;&nbsp;</a></span>insecure_rand_Rw</h2>
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<td class="memname">uint32_t insecure_rand_Rw = 11</td>
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<p class="definition">Definition at line <a class="el" href="random_8cpp_source.html#l00122">122</a> of file <a class="el" href="random_8cpp_source.html">random.cpp</a>.</p>
<p class="reference">Referenced by <a class="el" href="random_8h_source.html#l00042">insecure_rand()</a>, and <a class="el" href="random_8cpp_source.html#l00123">seed_insecure_rand()</a>.</p>
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<a id="ad679dcd7cb4960c49a8d400bcc23b0d0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad679dcd7cb4960c49a8d400bcc23b0d0">&#9670;&nbsp;</a></span>insecure_rand_Rz</h2>
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<td class="memname">uint32_t insecure_rand_Rz = 11</td>
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<p>MWC RNG of George Marsaglia This is intended to be fast. It has a period of 2^59.3, though the least significant 16 bits only have a period of about 2^30.1.</p>
<dl class="section return"><dt>Returns</dt><dd>random value </dd></dl>
<p class="definition">Definition at line <a class="el" href="random_8cpp_source.html#l00121">121</a> of file <a class="el" href="random_8cpp_source.html">random.cpp</a>.</p>
<p class="reference">Referenced by <a class="el" href="random_8h_source.html#l00042">insecure_rand()</a>, and <a class="el" href="random_8cpp_source.html#l00123">seed_insecure_rand()</a>.</p>
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