diff --git a/example/wv_cas_ecm_example b/example/wv_cas_ecm_example
index b70dc4a..79875b3 100644
Binary files a/example/wv_cas_ecm_example and b/example/wv_cas_ecm_example differ
diff --git a/libmedia_cas_packager_sdk.so b/libmedia_cas_packager_sdk.so
index db6c3d3..ed55d66 100755
Binary files a/libmedia_cas_packager_sdk.so and b/libmedia_cas_packager_sdk.so differ
diff --git a/media_cas_packager_sdk/public/wv_cas_ca_descriptor.h b/media_cas_packager_sdk/public/wv_cas_ca_descriptor.h
index b61c988..a26e8cf 100644
--- a/media_cas_packager_sdk/public/wv_cas_ca_descriptor.h
+++ b/media_cas_packager_sdk/public/wv_cas_ca_descriptor.h
@@ -63,8 +63,7 @@ class WvCasCaDescriptor {
   // where the descriptor will be added.
   virtual size_t CaDescriptorBaseSize() const;
 
- protected:
-  // Protected visibility to support unit testing.
+  // Return private data in the CA descriptor.
   virtual std::string GeneratePrivateData(const std::string& provider,
                                      const std::string& content_id) const;
 };
diff --git a/media_cas_packager_sdk/public/wv_ecmg b/media_cas_packager_sdk/public/wv_ecmg
index cc840b6..50ed297 100644
Binary files a/media_cas_packager_sdk/public/wv_ecmg and b/media_cas_packager_sdk/public/wv_ecmg differ