This was duplicated under xmlsecurity and made it hard to have test code outside xmlsecurity, even if the core of the pdf signing is nowadays under svl/. Change-Id: If5ce8269bb72f503263727d8255fe856742dfa60 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/96745 Reviewed-by: Miklos Vajna <vmiklos@collabora.com> Tested-by: Jenkins
Stuff for document signing. This code provides dialogs, and infrastructure wrapping libxmlsec and gpgme that implements document signing.