Index: interfaz/sistema.ui
===================================================================
--- interfaz/sistema.ui	(revision 25a5325e8faab321fb5f106ccbd59e88e0854f29)
+++ interfaz/sistema.ui	(revision 25a5325e8faab321fb5f106ccbd59e88e0854f29)
@@ -0,0 +1,286 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Sistema</class>
+ <widget class="QMainWindow" name="Sistema">
+  <property name="enabled">
+   <bool>true</bool>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>683</width>
+    <height>502</height>
+   </rect>
+  </property>
+  <property name="font">
+   <font>
+    <family>Sans Serif</family>
+    <pointsize>11</pointsize>
+    <weight>50</weight>
+    <italic>false</italic>
+    <bold>false</bold>
+   </font>
+  </property>
+  <property name="mouseTracking">
+   <bool>false</bool>
+  </property>
+  <property name="acceptDrops">
+   <bool>false</bool>
+  </property>
+  <property name="windowTitle">
+   <string>Sistema</string>
+  </property>
+  <property name="layoutDirection">
+   <enum>Qt::LeftToRight</enum>
+  </property>
+  <property name="styleSheet">
+   <string notr="true">font: 11pt &quot;Sans Serif&quot;;
+
+background-color: rgb(255, 255, 255);
+</string>
+  </property>
+  <property name="documentMode">
+   <bool>false</bool>
+  </property>
+  <property name="dockNestingEnabled">
+   <bool>false</bool>
+  </property>
+  <property name="dockOptions">
+   <set>QMainWindow::AllowTabbedDocks|QMainWindow::AnimatedDocks</set>
+  </property>
+  <widget class="QWidget" name="centralWidget">
+   <widget class="QPushButton" name="pushButton_2">
+    <property name="enabled">
+     <bool>true</bool>
+    </property>
+    <property name="geometry">
+     <rect>
+      <x>280</x>
+      <y>390</y>
+      <width>111</width>
+      <height>41</height>
+     </rect>
+    </property>
+    <property name="styleSheet">
+     <string notr="true">background-color: rgb(38, 90, 136);
+background-position: 0 -15px;
+color: rgb(255, 255, 255);</string>
+    </property>
+    <property name="text">
+     <string>Ingresar</string>
+    </property>
+    <property name="shortcut">
+     <string/>
+    </property>
+    <property name="checkable">
+     <bool>false</bool>
+    </property>
+    <property name="autoRepeat">
+     <bool>false</bool>
+    </property>
+    <property name="autoExclusive">
+     <bool>false</bool>
+    </property>
+   </widget>
+   <widget class="QLineEdit" name="pass">
+    <property name="geometry">
+     <rect>
+      <x>290</x>
+      <y>270</y>
+      <width>171</width>
+      <height>31</height>
+     </rect>
+    </property>
+    <property name="toolTip">
+     <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+    </property>
+    <property name="whatsThis">
+     <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+    </property>
+    <property name="styleSheet">
+     <string notr="true">border-color: rgb(0, 0, 255);
+</string>
+    </property>
+    <property name="text">
+     <string/>
+    </property>
+    <property name="echoMode">
+     <enum>QLineEdit::Password</enum>
+    </property>
+    <property name="placeholderText">
+     <string>Contraseña</string>
+    </property>
+   </widget>
+   <widget class="QLineEdit" name="user">
+    <property name="enabled">
+     <bool>true</bool>
+    </property>
+    <property name="geometry">
+     <rect>
+      <x>290</x>
+      <y>190</y>
+      <width>171</width>
+      <height>31</height>
+     </rect>
+    </property>
+    <property name="styleSheet">
+     <string notr="true">border-color: rgb(0, 0, 255);
+</string>
+    </property>
+    <property name="text">
+     <string/>
+    </property>
+    <property name="placeholderText">
+     <string>Usuario</string>
+    </property>
+   </widget>
+   <widget class="QLabel" name="label">
+    <property name="geometry">
+     <rect>
+      <x>210</x>
+      <y>190</y>
+      <width>71</width>
+      <height>20</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>*Usuario:</string>
+    </property>
+   </widget>
+   <widget class="QLabel" name="label_2">
+    <property name="geometry">
+     <rect>
+      <x>180</x>
+      <y>270</y>
+      <width>101</width>
+      <height>20</height>
+     </rect>
+    </property>
+    <property name="font">
+     <font>
+      <family>Sans Serif</family>
+      <pointsize>11</pointsize>
+      <weight>50</weight>
+      <italic>false</italic>
+      <bold>false</bold>
+     </font>
+    </property>
+    <property name="text">
+     <string>*Contraseña:</string>
+    </property>
+   </widget>
+   <widget class="QLabel" name="label_4">
+    <property name="geometry">
+     <rect>
+      <x>140</x>
+      <y>140</y>
+      <width>431</width>
+      <height>16</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p align=&quot;center&quot;&gt;&lt;span style=&quot; font-size:9pt;&quot;&gt;Indique su usuario y contraseña para ingresar al sistema&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+    </property>
+   </widget>
+   <widget class="QLabel" name="label_5">
+    <property name="geometry">
+     <rect>
+      <x>270</x>
+      <y>350</y>
+      <width>161</width>
+      <height>16</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p align=&quot;center&quot;&gt;&lt;span style=&quot; font-size:8pt; color: red&quot;;&gt;(*) Datos obligatorios&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+    </property>
+   </widget>
+   <widget class="QWidget" name="horizontalLayoutWidget">
+    <property name="geometry">
+     <rect>
+      <x>40</x>
+      <y>0</y>
+      <width>611</width>
+      <height>80</height>
+     </rect>
+    </property>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QLabel" name="label_3">
+       <property name="text">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p align=&quot;center&quot;&gt;&lt;span style=&quot; font-size:16pt; font-weight:600; font-style:italic; color:#ff0000;&quot;&gt;Bienvenido al sistema criptosistema&lt;/span&gt;&lt;img src=&quot;:/static/logo.png&quot; width=&quot;110&quot; height=&quot;50&quot;/&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </widget>
+   <widget class="QLabel" name="label_6">
+    <property name="geometry">
+     <rect>
+      <x>290</x>
+      <y>230</y>
+      <width>191</width>
+      <height>20</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string/>
+    </property>
+   </widget>
+   <widget class="QLabel" name="label_7">
+    <property name="geometry">
+     <rect>
+      <x>290</x>
+      <y>310</y>
+      <width>191</width>
+      <height>16</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string/>
+    </property>
+   </widget>
+   <widget class="QLabel" name="label_8">
+    <property name="geometry">
+     <rect>
+      <x>0</x>
+      <y>80</y>
+      <width>681</width>
+      <height>21</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string/>
+    </property>
+   </widget>
+  </widget>
+  <widget class="QMenuBar" name="menuBar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>683</width>
+     <height>24</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QToolBar" name="mainToolBar">
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
+  </widget>
+  <widget class="QStatusBar" name="statusBar"/>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <tabstops>
+  <tabstop>user</tabstop>
+  <tabstop>pass</tabstop>
+  <tabstop>pushButton_2</tabstop>
+ </tabstops>
+ <resources/>
+ <connections/>
+</ui>
