A.2.d WT17 WT22 WT30 (WT36) For each class of certificate, the CA provides technical details of certificate generation:
  1. size
  2. algorithms
  3. allowed lifetime
  4. method of generation
  5. purpose indicators (e.g., site, mail, file signing)
  6. signing (by root or intermediate certificate)
  7. representation of domains
  8. ensuring uniqueness