# File lib/aws/s3/client.rb, line 974
      def add_sse_to_response(response)
        sse = nil
        if value = response.http_response.header('x-amz-server-side-encryption')
          sse = value.downcase.to_sym
        end
        Core::MetaUtils.extend_method(response, :server_side_encryption) { sse }
      end