Safeguard your sensitive and valuable data from unauthorized access through state-of-the-art file encryption architecture. The modular and flexible encryption option offered by ownCloud enables you to encrypt your files and allows for custom setups to combat all possible digital threats and comply with regulatory requirements.

https://owncloud.com/news/c...ive-file-encryption/
Я однажды уже попробовала этот стейт оф арт. Еле как расшифровала обратно.