.. _security_modules:

================
Security Modules
================

Starting with version 2.5 LinOTP supports different security modules.

The security module specifies how the encryption of the HMAC keys and password is handled in LinOTP.

The default behaviour having 3 AES encryption keys in a file `/etc/linotp2/encKey`
is also seen as a security module.

.. toctree::
   :maxdepth: 2

   defining_security_modules
   defining_lunasa
   setting_up_lunasa
   lunasa_backup
   lunasa_ha
   lunasa_passwords