I don't know about scanning (that's the goal of this proposal - ChatControl - including scanning of storage*) but ProtectEU involves creating hardware and software backdoors.

* https://www.patrick-breyer.de/en/posts/chat-control/ , see the table "The Chat Control 2.0 proposal in detail"

Technical experts call on Commissioner Virkkunen for a seat on the table of the European Commission’s Technology Roadmap on encryption

https://edri.org/our-work/technical-experts-call-on-virkkune...

Concluding report of the High-Level Group on access to data for effective law enforcement

https://home-affairs.ec.europa.eu/document/download/4802e306...