diff --git a/webui/src/main/java/com/muwire/webui/CertificateManager.java b/webui/src/main/java/com/muwire/webui/CertificateManager.java
index 80e252d5..17377a3b 100644
--- a/webui/src/main/java/com/muwire/webui/CertificateManager.java
+++ b/webui/src/main/java/com/muwire/webui/CertificateManager.java
@@ -1,5 +1,6 @@
 package com.muwire.webui;
 
+import java.io.File;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
@@ -7,10 +8,12 @@ import java.util.concurrent.ConcurrentHashMap;
 import com.muwire.core.Core;
 import com.muwire.core.InfoHash;
 import com.muwire.core.Persona;
+import com.muwire.core.SharedFile;
 import com.muwire.core.filecert.Certificate;
 import com.muwire.core.filecert.CertificateFetchEvent;
 import com.muwire.core.filecert.CertificateFetchStatus;
 import com.muwire.core.filecert.CertificateFetchedEvent;
+import com.muwire.core.filecert.UICreateCertificateEvent;
 import com.muwire.core.filecert.UIFetchCertificatesEvent;
 import com.muwire.core.filecert.UIImportCertificateEvent;
 
@@ -74,6 +77,15 @@ public class CertificateManager {
         core.getEventBus().publish(event);
     }
     
+    void certify(File file) {
+        SharedFile sf = core.getFileManager().getFileToSharedFile().get(file);
+        if (sf == null)
+            return;
+        UICreateCertificateEvent event = new UICreateCertificateEvent();
+        event.setSharedFile(sf);
+        core.getEventBus().publish(event);
+    }
+    
     static class CertificateRequest {
         private final Persona user;
         private final InfoHash infoHash;
diff --git a/webui/src/main/java/com/muwire/webui/CertificateServlet.java b/webui/src/main/java/com/muwire/webui/CertificateServlet.java
index 3834e8ef..fba1ea6e 100644
--- a/webui/src/main/java/com/muwire/webui/CertificateServlet.java
+++ b/webui/src/main/java/com/muwire/webui/CertificateServlet.java
@@ -1,6 +1,7 @@
 package com.muwire.webui;
 
 import java.io.ByteArrayInputStream;
+import java.io.File;
 import java.io.IOException;
 
 import javax.servlet.ServletConfig;
@@ -114,6 +115,14 @@ public class CertificateServlet extends HttpServlet {
                 return;
             }
             certificateManager.importCertificate(certificate);
+        } else if (action.equals("certify")) {
+            String path = req.getParameter("file");
+            if (path == null) {
+                resp.sendError(403,"Bad param");
+                return;
+            }
+            File file = Util.getFromPathElements(path);
+            certificateManager.certify(file);
         }
     }
 
diff --git a/webui/src/main/java/com/muwire/webui/FilesServlet.java b/webui/src/main/java/com/muwire/webui/FilesServlet.java
index d61e76cf..c2c9d897 100644
--- a/webui/src/main/java/com/muwire/webui/FilesServlet.java
+++ b/webui/src/main/java/com/muwire/webui/FilesServlet.java
@@ -136,7 +136,7 @@ public class FilesServlet extends HttpServlet {
                 resp.sendError(403,"Bad param");
                 return;
             }
-            File file = getFromPathElements(pathElements);
+            File file = Util.getFromPathElements(pathElements);
             if (file == null) {
                 resp.sendError(403, "Bad param");
                 return;
@@ -148,7 +148,7 @@ public class FilesServlet extends HttpServlet {
                 resp.sendError(403,"Bad param");
                 return;
             }
-            File file = getFromPathElements(pathElements);
+            File file = Util.getFromPathElements(pathElements);
             if (file == null) {
                 resp.sendError(403, "Bad param");
                 return;
@@ -159,19 +159,5 @@ public class FilesServlet extends HttpServlet {
             fileManager.comment(file, comment);
         }
     }
-    
-    private static File getFromPathElements(String pathElements) {
-        File current = null;
-        for (String element : DataHelper.split(pathElements,",")) {
-            element = Util.unescapeHTMLinXML(Base64.decodeToString(element));
-            if (element == null) {
-                return null;
-            }
-            if (current == null)
-                current = new File(element);
-            else 
-                current = new File(current, element);
-        }
-        return current;
-    }
+ 
 }
diff --git a/webui/src/main/java/com/muwire/webui/Util.java b/webui/src/main/java/com/muwire/webui/Util.java
index a4842c3f..180dea1d 100644
--- a/webui/src/main/java/com/muwire/webui/Util.java
+++ b/webui/src/main/java/com/muwire/webui/Util.java
@@ -1,11 +1,13 @@
 package com.muwire.webui;
 
+import java.io.File;
 import java.util.HashMap;
 import java.util.Map;
 
 import org.json.simple.JSONObject;
 
 import net.i2p.I2PAppContext;
+import net.i2p.data.Base64;
 import net.i2p.data.DataHelper;
 import net.i2p.util.Translate;
 
@@ -88,6 +90,21 @@ public class Util {
         }
         return unescaped;
     }
+    
+    public static File getFromPathElements(String pathElements) {
+        File current = null;
+        for (String element : DataHelper.split(pathElements,",")) {
+            element = unescapeHTMLinXML(Base64.decodeToString(element));
+            if (element == null) {
+                return null;
+            }
+            if (current == null)
+                current = new File(element);
+            else 
+                current = new File(current, element);
+        }
+        return current;
+    }
 
     /**
      * @return a JSON-encoded mapping of translations needed for the javascript,