nRF Connect SDK API 3.3.99
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◆ cracen_kmu_metadata_key_usage_scheme

#include <subsys/nrf_security/src/drivers/cracen/cracenpsa/include/cracen_psa_kmu.h>

Key usage schemes for KMU metadata.

Defines how keys stored in KMU are handled and used by the CRACEN driver.

Enumerator
CRACEN_KMU_KEY_USAGE_SCHEME_PROTECTED 

Keys can only be pushed to CRACEN's protected RAM.

The keys are not encrypted. Only AES is supported.

CRACEN_KMU_KEY_USAGE_SCHEME_SEED 

CRACEN's IKG seed uses three key slots.

Pushed to the seed register.

CRACEN_KMU_KEY_USAGE_SCHEME_ENCRYPTED 

Keys are stored in encrypted form.

They will be decrypted to the KMU push area for usage.

CRACEN_KMU_KEY_USAGE_SCHEME_RAW 

Keys are not encrypted.

Pushed to the KMU push area.