Supported ASN NULL objects. Kindof trivial but nice for completeness.

lib/net/ber.rb

@@ -50,6 +50,10 @@ module Net
     end
   end
 
+  class BerIdentifiedNull
+    attr_accessor :ber_identifier
+  end
+
   #--
   # This condenses our nicely self-documenting ASN hashes down
   # to an array for fast lookups.
@@ -184,6 +188,10 @@ module Net
         seq
       elsif objtype == :boolean
         newobj != "\000"
+      elsif objtype == :null
+	  n = BerIdentifiedNull.new
+	  n.ber_identifier = id
+	  n
       else
         #raise BerError.new( "unsupported object type: class=#{tagclass}, encoding=#{encoding}, tag=#{tag}" )
         raise BerError.new( "unsupported object type: id=#{id}" )