verify (OpenID::Server::Signatory)

    # File lib/openid/server.rb, line 1016
          def verify(assoc_handle, message)
            assoc = get_association(assoc_handle, true)
            if !assoc
              Util.log(sprintf("failed to get assoc with handle %s to verify " +
                               "message %s", assoc_handle, message))
              return false
            end

            begin
              valid = assoc.check_message_signature(message)
            rescue StandardError => ex
              Util.log(sprintf("Error in verifying %s with %s: %s",
                               message, assoc, ex))
              return false
            end

            return valid
          end