# File lib/net/ssh/transport/openssl.rb, line 185
        def to_blob
          @blob ||= Net::SSH::Buffer.from(:string, ssh_type,
                                          :string, CurveNameAliasInv[self.group.curve_name],
                                          :string, self.public_key.to_bn.to_s(2)).to_s
          @blob
        end