host_identities (Net::SSH::UserAuth::UserKeyManager)

    # File lib/net/ssh/userauth/userkeys.rb, line 154
            def host_identities
              identities = []
              @known_host_identities = Hash.new

              @host_key_files.each do |file|
                if @key_existence_tester.readable?( file )
                  begin
                    key = @keys.load_public_key( file + ".pub" )
                    identities.push key
                    @known_host_identities[ key ] =
                      { :from => :file, :file => file }
                  rescue Exception => e
                    @log.warn "could not load public host key file " +
                      "'#{file}.pub' (#{e.message} [#{e.class}])" if @log.warn?
                  end
                end
              end

              identities
            end