Certificate infrastructure

• Domain root

The root certificate of the domain. In order to be trusted by external domains this
certificate must be signed by dbWatch.

• User identity certificate
  This certificate is used by the domain to sign user certificate requests.
• Granting certificate
  This certificate is used by the domain to grant rights to users.
• Configuration certificate
  This certificate is used by the domain to sign configuration files to be distributed to the domain.
• Publication certificate
  This certificate is used by the domain to sign