tree 05b17d398a53132de56aa516adc1fd39170fa0c8
parent 5524816017c9a179a272b4e5ed89c28a04b1e6d8
author Eunchan Kim <eunchan@opentitan.org> 1644283200 -0800
committer Eunchan Kim <me@eunchan.kim> 1644361019 -0800

[kmac] Add entropy_mode restriction

As discussed in #6831, entropy_mode cannot be changed after
entropy_ready to prevent the KMAC from using LFSR-only entropies. This
commit adds the description to `entropy_mode` field.

Signed-off-by: Eunchan Kim <eunchan@opentitan.org>