Decrypt embedded encrypted content

[gjwgit]

Description

The read_encrypted tool works great. Sometimes there is embedded encrypted data within the decrypted data. Can that be recognised and decrypted as well?

Why

So that as a user I can get fully decrypted data.

Closing Criteria

Checklist for closing the issue:

• All tests pass
• For notepod data files extract the title and the content of the note.

Alternatives

Alternatively, a separate script that will decrypt the string as saved into a file decrypt_file.

Additional Context

For example, with the notepod app I can decrypt one level to get:

solid@solidcommunityau:~$ python3 read_encrypted.py server/watson02/notepod/data/note-20251001T085544.ttl
Security Key: 
@prefix : <#>.
      @prefix foaf: <http://xmlns.com/foaf/0.1/>.
      @prefix terms: <http://purl.org/dc/terms/>.
      @prefix notepodTerms: <https://solidcommunity.au/predicates/terms#>.
      :me
          a foaf:PersonalProfileDocument;
          terms:title "Note";
          notepodTerms:createdDateTime "20251001T085544";
          notepodTerms:modifiedDateTime "20251001T085544";
          notepodTerms:noteTitle "bb";
          notepodTerms:noteContent "3JBoN1TjjkndQowxrZt1lA==".

The noteContent is also encrypted. Can that be auto recognised and further decrypted?

[cdawei]

Notepod uses an implicit key and iv to encrypt the note content (as pointed out here), this is likely not a general case.