You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: pkcs1_handler.rb
    path of file: ./repos/hexapdf/lib/hexapdf/digital_signature
    
    the code of the file until where you have to start completion: # -*- encoding: utf-8; frozen_string_literal: true -*-
#
#--
# This file is part of HexaPDF.
#
# HexaPDF - A Versatile PDF Creation and Manipulation Library For Ruby
# Copyright 
    
      def verify(store, allow_self_signed: false)
        result = super

        signer_certificate = self.signer_certificate
        certificate_chain = self.certificate_chain

        if certificate_chain.empty?
          result.log(:error, "No certificates for verification found")
          return result
        end