diff --git a/ui/CertificateWindow.xib b/ui/CertificateWindow.xib
new file mode 100644
index 0000000..107b06f
--- /dev/null
+++ b/ui/CertificateWindow.xib
@@ -0,0 +1,148 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="6751" systemVersion="13F1077" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+    <dependencies>
+        <deployment identifier="macosx"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="6751"/>
+    </dependencies>
+    <objects>
+        <customObject id="-2" userLabel="File's Owner" customClass="CertificateWC">
+            <connections>
+                <outlet property="window" destination="QvC-M9-y7g" id="bos-rN-Jgz"/>
+            </connections>
+        </customObject>
+        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
+        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
+        <window title="Window" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" oneShot="NO" releasedWhenClosed="NO" visibleAtLaunch="NO" animationBehavior="default" id="QvC-M9-y7g">
+            <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
+            <windowPositionMask key="initialPositionMask" leftStrut="YES" rightStrut="YES" topStrut="YES" bottomStrut="YES"/>
+            <rect key="contentRect" x="196" y="240" width="601" height="388"/>
+            <rect key="screenRect" x="0.0" y="0.0" width="1680" height="1050"/>
+            <view key="contentView" id="EiT-Mj-1SZ">
+                <rect key="frame" x="0.0" y="0.0" width="601" height="388"/>
+                <autoresizingMask key="autoresizingMask"/>
+                <subviews>
+                    <scrollView fixedFrame="YES" autohidesScrollers="YES" horizontalLineScroll="19" horizontalPageScroll="10" verticalLineScroll="19" verticalPageScroll="10" usesPredominantAxisScrolling="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Oot-0X-jju">
+                        <rect key="frame" x="20" y="54" width="561" height="135"/>
+                        <clipView key="contentView" misplaced="YES" id="rbk-gh-ueD">
+                            <rect key="frame" x="1" y="17" width="238" height="117"/>
+                            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                            <subviews>
+                                <outlineView verticalHuggingPriority="750" allowsExpansionToolTips="YES" columnAutoresizingStyle="lastColumnOnly" multipleSelection="NO" autosaveColumns="NO" rowSizeStyle="automatic" headerView="MKo-as-RdY" viewBased="YES" indentationPerLevel="16" outlineTableColumn="UEk-iW-QGt" id="GQE-up-gwL">
+                                    <rect key="frame" x="0.0" y="0.0" width="238" height="117"/>
+                                    <autoresizingMask key="autoresizingMask"/>
+                                    <size key="intercellSpacing" width="3" height="2"/>
+                                    <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                    <color key="gridColor" name="gridColor" catalog="System" colorSpace="catalog"/>
+                                    <tableColumns>
+                                        <tableColumn width="116" minWidth="40" maxWidth="1000" id="UEk-iW-QGt">
+                                            <tableHeaderCell key="headerCell" lineBreakMode="truncatingTail" borderStyle="border" alignment="left">
+                                                <font key="font" metaFont="smallSystem"/>
+                                                <color key="textColor" name="headerTextColor" catalog="System" colorSpace="catalog"/>
+                                                <color key="backgroundColor" name="headerColor" catalog="System" colorSpace="catalog"/>
+                                            </tableHeaderCell>
+                                            <textFieldCell key="dataCell" lineBreakMode="truncatingTail" selectable="YES" editable="YES" alignment="left" title="Text Cell" id="G7a-wY-fOS">
+                                                <font key="font" metaFont="system"/>
+                                                <color key="textColor" name="controlTextColor" catalog="System" colorSpace="catalog"/>
+                                                <color key="backgroundColor" name="controlBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                            </textFieldCell>
+                                            <tableColumnResizingMask key="resizingMask" resizeWithTable="YES" userResizable="YES"/>
+                                            <prototypeCellViews>
+                                                <tableCellView id="EQf-hj-0zK">
+                                                    <rect key="frame" x="1" y="1" width="116" height="17"/>
+                                                    <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                                                    <subviews>
+                                                        <textField verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="qaS-Bh-sxP">
+                                                            <rect key="frame" x="0.0" y="0.0" width="100" height="17"/>
+                                                            <textFieldCell key="cell" lineBreakMode="truncatingTail" sendsActionOnEndEditing="YES" title="Table View Cell" id="Od1-pH-TGO">
+                                                                <font key="font" metaFont="system"/>
+                                                                <color key="textColor" name="controlTextColor" catalog="System" colorSpace="catalog"/>
+                                                                <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
+                                                            </textFieldCell>
+                                                        </textField>
+                                                    </subviews>
+                                                    <connections>
+                                                        <outlet property="textField" destination="qaS-Bh-sxP" id="OtI-5l-esy"/>
+                                                    </connections>
+                                                </tableCellView>
+                                            </prototypeCellViews>
+                                        </tableColumn>
+                                        <tableColumn width="437" minWidth="40" maxWidth="1000" id="09Y-Vz-ax6">
+                                            <tableHeaderCell key="headerCell" lineBreakMode="truncatingTail" borderStyle="border" alignment="left">
+                                                <font key="font" metaFont="smallSystem"/>
+                                                <color key="textColor" name="headerTextColor" catalog="System" colorSpace="catalog"/>
+                                                <color key="backgroundColor" name="headerColor" catalog="System" colorSpace="catalog"/>
+                                            </tableHeaderCell>
+                                            <textFieldCell key="dataCell" lineBreakMode="truncatingTail" selectable="YES" editable="YES" alignment="left" title="Text Cell" id="RMj-fd-OsX">
+                                                <font key="font" metaFont="system"/>
+                                                <color key="textColor" name="controlTextColor" catalog="System" colorSpace="catalog"/>
+                                                <color key="backgroundColor" name="controlBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                            </textFieldCell>
+                                            <tableColumnResizingMask key="resizingMask" resizeWithTable="YES" userResizable="YES"/>
+                                            <prototypeCellViews>
+                                                <tableCellView id="ekp-aB-Wuv">
+                                                    <rect key="frame" x="120" y="1" width="437" height="17"/>
+                                                    <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                                                    <subviews>
+                                                        <textField verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="A3p-Z8-Fhy">
+                                                            <rect key="frame" x="0.0" y="0.0" width="100" height="17"/>
+                                                            <textFieldCell key="cell" lineBreakMode="truncatingTail" sendsActionOnEndEditing="YES" title="Table View Cell" id="khh-uZ-Keh">
+                                                                <font key="font" metaFont="system"/>
+                                                                <color key="textColor" name="controlTextColor" catalog="System" colorSpace="catalog"/>
+                                                                <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
+                                                            </textFieldCell>
+                                                        </textField>
+                                                    </subviews>
+                                                    <connections>
+                                                        <outlet property="textField" destination="A3p-Z8-Fhy" id="5Ui-kq-mhW"/>
+                                                    </connections>
+                                                </tableCellView>
+                                            </prototypeCellViews>
+                                        </tableColumn>
+                                    </tableColumns>
+                                </outlineView>
+                            </subviews>
+                            <color key="backgroundColor" name="controlBackgroundColor" catalog="System" colorSpace="catalog"/>
+                        </clipView>
+                        <scroller key="horizontalScroller" hidden="YES" verticalHuggingPriority="750" horizontal="YES" id="Gim-9c-e4f">
+                            <rect key="frame" x="1" y="119" width="223" height="15"/>
+                            <autoresizingMask key="autoresizingMask"/>
+                        </scroller>
+                        <scroller key="verticalScroller" hidden="YES" verticalHuggingPriority="750" horizontal="NO" id="Gdk-7j-Chx">
+                            <rect key="frame" x="224" y="17" width="15" height="102"/>
+                            <autoresizingMask key="autoresizingMask"/>
+                        </scroller>
+                        <tableHeaderView key="headerView" id="MKo-as-RdY">
+                            <rect key="frame" x="0.0" y="0.0" width="238" height="17"/>
+                            <autoresizingMask key="autoresizingMask"/>
+                        </tableHeaderView>
+                    </scrollView>
+                    <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="pXw-HJ-Apl">
+                        <rect key="frame" x="505" y="13" width="82" height="32"/>
+                        <buttonCell key="cell" type="push" title="OK" bezelStyle="rounded" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="x6p-u4-4Ot">
+                            <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
+                            <font key="font" metaFont="system"/>
+                            <string key="keyEquivalent" base64-UTF8="YES">
+DQ
+</string>
+                        </buttonCell>
+                        <connections>
+                            <action selector="closePanel:" target="-2" id="0f6-l1-xBw"/>
+                        </connections>
+                    </button>
+                    <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="yvG-8F-MvY">
+                        <rect key="frame" x="18" y="351" width="177" height="17"/>
+                        <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" title="Certificate information" id="BrE-Hz-sVE">
+                            <font key="font" metaFont="systemBold"/>
+                            <color key="textColor" name="controlTextColor" catalog="System" colorSpace="catalog"/>
+                            <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
+                        </textFieldCell>
+                    </textField>
+                </subviews>
+            </view>
+            <connections>
+                <outlet property="delegate" destination="-2" id="3wn-SC-48D"/>
+            </connections>
+            <point key="canvasLocation" x="167.5" y="128"/>
+        </window>
+    </objects>
+</document>