diff --git a/lan-mouse-gtk/resources/fingerprint_window.ui b/lan-mouse-gtk/resources/fingerprint_window.ui
index c8db837..35d272f 100644
--- a/lan-mouse-gtk/resources/fingerprint_window.ui
+++ b/lan-mouse-gtk/resources/fingerprint_window.ui
@@ -6,9 +6,9 @@
     <property name="modal">True</property>
     <property name="width-request">880</property>
     <property name="default-width">880</property>
-    <property name="height-request">340</property>
-    <property name="default-height">340</property>
-    <property name="title" translatable="yes">Add Public Key Fingerprint</property>
+    <property name="height-request">380</property>
+    <property name="default-height">380</property>
+    <property name="title" translatable="yes">Add Certificate Fingerprint</property>
     <property name="content">
       <object class="AdwToolbarView">
         <child type="top">
@@ -24,7 +24,12 @@
                 <property name="spacing">18</property>
                 <child>
                   <object class="GtkLabel">
-                    <property name="label">you can find the fingerprint of a device under the `General` section</property>
+                    <property name="label">The certificate fingerprint serves as a unique identifier for your device.</property>
+                  </object>
+                </child>
+                <child>
+                  <object class="GtkLabel">
+                    <property name="label">You can find it under the `General` section of the device you want to connect</property>
                   </object>
                 </child>
                 <child>
diff --git a/lan-mouse-gtk/resources/window.ui b/lan-mouse-gtk/resources/window.ui
index 15fa7fd..8a787f9 100644
--- a/lan-mouse-gtk/resources/window.ui
+++ b/lan-mouse-gtk/resources/window.ui
@@ -180,7 +180,7 @@
                         </child>
                         <child>
                           <object class="AdwActionRow" id="fingerprint_row">
-                            <property name="title">public key fingerprint</property>
+                            <property name="title">certificate fingerprint</property>
                             <property name="icon-name">auth-fingerprint-symbolic</property>
                             <child>
                               <object class="GtkButton" id="copy-fingerprint-button">
@@ -229,32 +229,13 @@
                     <child>
                       <object class="AdwPreferencesGroup">
                         <property name="title" translatable="yes">Incoming Connections</property>
-                        <child>
-                          <object class="GtkListBox" id="connection_list">
-                            <property name="selection-mode">none</property>
-                            <child type="placeholder">
-                              <object class="AdwActionRow">
-                                <property name="title">no incoming connections!</property>
-                                <property name="subtitle">devices that control this pc will show up here</property>
-                              </object>
-                            </child>
-                            <style>
-                              <class name="boxed-list" />
-                            </style>
-                          </object>
-                        </child>
-                      </object>
-                    </child>
-                    <child>
-                      <object class="AdwPreferencesGroup">
-                        <property name="title" translatable="yes">Authorized Keys</property>
                         <property name="header-suffix">
                           <object class="GtkButton">
                             <signal name="clicked" handler="handle_add_cert_fingerprint" swapped="true"/>
                             <property name="child">
                               <object class="AdwButtonContent">
                                 <property name="icon-name">auth-fingerprint-symbolic</property>
-                                <property name="label" translatable="yes">Add</property>
+                                <property name="label" translatable="yes">Authorize</property>
                               </object>
                             </property>
                             <style>
@@ -267,8 +248,8 @@
                             <property name="selection-mode">none</property>
                             <child type="placeholder">
                               <object class="AdwActionRow" id="authorized_placeholder">
-                                <property name="title">no fingerprints!</property>
-                                <property name="subtitle">add a public key fingerprint via the + button</property>
+                                <property name="title">no devices registered!</property>
+                                <property name="subtitle">authorize a new device via the "Authorize" button</property>
                               </object>
                             </child>
                             <style>
diff --git a/src/crypto.rs b/src/crypto.rs
index f68459d..74c8c7b 100644
--- a/src/crypto.rs
+++ b/src/crypto.rs
@@ -11,27 +11,10 @@ use webrtc_dtls::crypto::Certificate;
 
 #[derive(Debug, Error)]
 pub enum Error {
-    #[error("block is not a private key, unable to load key")]
-    ErrBlockIsNotPrivateKey,
-    #[error("unknown key time in PKCS#8 wrapping, unable to load key")]
-    ErrUnknownKeyTime,
-    #[error("no private key found, unable to load key")]
-    ErrNoPrivateKeyFound,
-    #[error("block is not a certificate, unable to load certificates")]
-    ErrBlockIsNotCertificate,
-    #[error("no certificate found, unable to load certificates")]
-    ErrNoCertificateFound,
-
     #[error(transparent)]
     Io(#[from] io::Error),
     #[error(transparent)]
     Dtls(#[from] webrtc_dtls::Error),
-    #[error("{0}")]
-    Other(String),
-    #[error("a file containing the public key is missing")]
-    PkMissing,
-    #[error("a file containing the private key is missing")]
-    SkMissing,
 }
 
 pub fn generate_fingerprint(cert: &[u8]) -> String {