diff --git a/libLauncher/src/main/java/ru/gravit/launcher/Launcher.java b/libLauncher/src/main/java/ru/gravit/launcher/Launcher.java
index 1fc4b911..35079af5 100644
--- a/libLauncher/src/main/java/ru/gravit/launcher/Launcher.java
+++ b/libLauncher/src/main/java/ru/gravit/launcher/Launcher.java
@@ -89,9 +89,15 @@ public static void setConfig(LauncherConfig cfg)
 
     @LauncherAPI
     public static URL getResourceURL(String name) throws IOException {
+        LauncherConfig config = getConfig();
+        byte[] validDigest = config.runtime.get(name);
+        if (validDigest == null)
+            throw new NoSuchFileException(name);
 
         // Resolve URL and verify digest
         URL url = IOHelper.getResourceURL(RUNTIME_DIR + '/' + name);
+        if (!Arrays.equals(validDigest, SecurityHelper.digest(SecurityHelper.DigestAlgorithm.MD5, url)))
+            throw new NoSuchFileException(name); // Digest mismatch
 
         // Return verified URL
         return url;