> For the complete documentation index, see [llms.txt](https://icure.gitbook.io/icure/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://icure.gitbook.io/icure/advanced-topics/encryption-key-structure.md).

# Encryption Key Creation and Storage

For the purposes of this example, we assume the following structure:\
\
iCure is installed for a Healthcare Group, with several Practices, that employ several Healthcare Providers (HcP1, HcP2) with several users each.

![Clinic, Hcp1 creation and Invitation process](/files/-Mf1PTfkvbJiqocSqdS4)

![HCP2 Creation and Invitation Process](/files/-Mf1RTV0evf0yi7LukeB)