lib/hexapdf/encryption/standard_security_handler.rb in hexapdf-0.15.1 vs lib/hexapdf/encryption/standard_security_handler.rb in hexapdf-0.15.2

@@ -238,9 +238,21 @@
         Permissions::PERMISSION_TO_SYMBOL.each_with_object([]) do |(perm, sym), result|
           result << sym if dict[:P] & perm == perm
         end
       end
 
+      def decrypt(obj) #:nodoc:
+        if obj.type == :Metadata && obj == document.catalog.value[:Metadata] && !dict[:EncryptMetadata]
+          obj
+        else
+          super
+        end
+      end
+
+      def encrypt_stream(obj) #:nodoc
+        obj == document.catalog.value[:Metadata] && !dict[:EncryptMetadata] ? obj.stream_encoder : super
+      end
+
       private
 
       # Prepares the security handler for use in encrypting the document.
       #
       # See the attributes of the EncryptionOptions class for all possible arguments.