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<h1 id="qq数据库采用简单加密——异或加密"><a href="#qq数据库采用简单加密——异或加密" class="headerlink" title="qq数据库采用简单加密——异或加密"></a>qq数据库采用简单加密——异或加密</h1><h2 id="数据获取："><a href="#数据获取：" class="headerlink" title="数据获取："></a>数据获取：</h2><p>DENGTA_META.xml—IMEI:867179032952446<br>databases/2685371834.db——数据库文件</p>
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<h2 id="解密方式："><a href="#解密方式：" class="headerlink" title="解密方式："></a>解密方式：</h2><p>明文msg_t 密文msg_Data key：IMEI<br>msg_t = msg_Data[i]^IMEI[i%15]</p>
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<p>实验：<br><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br></pre></td><td class="code"><pre><span class="line">import sqlite3</span><br><span class="line"></span><br><span class="line">IMEI = '867179032952446'</span><br><span class="line">conn = sqlite3.connect('2685371834.db')</span><br><span class="line">c = conn.cursor()</span><br><span class="line"></span><br><span class="line">def _decrypt(foo):</span><br><span class="line"> substr = ''</span><br><span class="line"> #print(len(foo))</span><br><span class="line"> for i in range(0,len(foo)):</span><br><span class="line"> substr += chr(ord(foo[i]) ^ ord(IMEI[i%15]))</span><br><span class="line"> return substr</span><br><span class="line"></span><br><span class="line">#rem = c.execute("SELECT uin, remark, name FROM Friends")</span><br><span class="line">Msg = c.execute("SELECT msgData, senderuin, time FROM mr_friend_0FC9764CD248C8100C82A089152FB98B_New")</span><br><span class="line"></span><br><span class="line">for msg in Msg:</span><br><span class="line"> uid = _decrypt(msg[1])</span><br><span class="line"> print("\n"+uid+":")</span><br><span class="line"> try:</span><br><span class="line"> msgData = _decrypt(msg[0]).decode('utf-8')</span><br><span class="line"> print(msgData)</span><br><span class="line"> except:</span><br><span class="line"> pass</span><br></pre></td></tr></table></figure></p>
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<h2 id="结果"><a href="#结果" class="headerlink" title="结果"></a>结果</h2><p><img src="./pics/qq.PNG" alt></p>
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