Validate CSAF 2.0 6.1.26 Document Category special case

[cgi1]

Mandatory Tests

Special explanation for 6.1.26 Prohibited Document Category Name:

Document Category can be one of the five given definitions, or any other value.

The 6.1.26 checks that the Document Category value should not be similar to one of these values, otherwise the profiles from chapter 4 are taken.

  Informational Advisory
  security-incident-response
  Security      Advisory
  veX

We implement this by

0. is the Document Category in the above list? Skip.
1. Generic CSAF check: remove whitespaces/brackets/-, turn into lower case and check if the value is equal to one of the above? Reject.

[tschmidtb51]

Implementation in Secvisogram can be used as reference.

[cgi1]

Implementation has been done in Secvisogram and the code past code in this project also has been implemented to check typical typos and integrate conversion).

As we then discussed with @tschmidtb51 to not integrate data validity checks in the code, it has been removed again.

Nevertheless, the implementation can be integrated into turvallisuusneuvonta (initial integration #55).