The actual proposed regulation [0] is definitely worth having a look at. For example:

5. This Regulation shall not create any obligation that would require a provider of hosting services or a provider of interpersonal communications services to decrypt data or create access to end-to-end encrypted data, or that would prevent the provision of end-to-end encrypted services.

[0] page 36 onwards of https://www.patrick-breyer.de/wp-content/uploads/2024/04/202...