They are exported with the /EmbeddedFiles switch. This would allow adding external files to the PDF document.
Importing a document containing an EI keyword within the image stream leads to an endless loop and the document is not imported successfully.
Add support for documents containing RTL (right-to-left) text.
Support for validating signature fields signed with signatures that are encoded in ETSI.RFC3161 encoding should be added.
Currently, when invoking the Signature`s TryValidate() method an exception is thrown: NotSupportedException: 'No signature validation handler was found for the subfilter: ETSI.RFC3161'
When opened in Adobe Reader it says that the file "claims compliance". However, when verifying the compliance with some validation tools there seem to be some issues mainly related but not limited to fonts.
Add a setting that allows enabling printing of protected documents.