validator
  {
    rule
    {
      id "A strict rule"
      for data
      filter
      {
        type name
        name /TestRule1/
        relation is-strict-prefix-of
      }
      checker
      {
        type customized
        sig-type rsa-sha256
        key-locator
        {
          type name
          name /SecurityTestSecRule
          relation is-prefix-of
        }
      }
    }
 }