Special

These guides describe special situations.

• Request Grid certificates (IGTF):
  These certificates are only needed in special scientific grid computing scenarios.

• Using OpenSSL:
  This tool can be very useful when requesting certificates and when preparing and using digital IDs.

• Using Java Keytool:
  When using Java Application Servers, it is often necessary to request and import certificates with this tool.

• New certificate for old keys:
  To provide an existing digital ID with a new certificate, the digital ID must be broken down into its components and reassembled.

The following instructions are intended for participant service staff members only:

• Building a working environment for the participant service (old hierarchy DFN-PKI security level Global)

The certificates issued by the Certification Authority (CA) of the University of Münster are advanced certificates according to the eIDAS regulation of the EU. For qualified certificates, a significantly higher effort is required:

• Qualified Signatures