1# Copyright (c) 2025 Nordic Semiconductor ASA 2# SPDX-License-Identifier: Apache-2.0 3 4config ENTROPY_NRF_CRACEN_CTR_DRBG 5 bool "nRF entropy driver based on the CRACEN CTR_DRBG driver" 6 default y 7 depends on DT_HAS_NORDIC_NRF_CRACEN_CTRDRBG_ENABLED 8 depends on SOC_COMPATIBLE_NRF54LX 9 select ENTROPY_HAS_DRIVER 10 select NRFX_CRACEN 11 help 12 This option enables the 54L CRACEN based entropy driver, based on the nrfx CRACEN CTR_DRBG 13 random driver. 14 Notes: This driver is only compatible with 54L devices, and may only be used from one processor 15 core. This driver cannot be used in conjunction with the nRF security PSA solution, as both 16 would attempt to use the CRACEN HW exclusively; When that is enabled, the PSA crypto entropy 17 driver should be selected instead. 18