1#
2# Copyright (c) 2024, Arm Limited. All rights reserved.
3#
4# SPDX-License-Identifier: BSD-3-Clause
5#
6
7# Hash algorithm for DICE Protection Environment
8# SHA-256 (or stronger) is required.
9DPE_HASH_ALG	:=	sha256
10
11ifeq (${DPE_HASH_ALG}, sha512)
12    DPE_ALG_ID		:=	DPE_ALG_SHA512
13    DPE_DIGEST_SIZE	:=	64U
14else ifeq (${DPE_HASH_ALG}, sha384)
15    DPE_ALG_ID		:=	DPE_ALG_SHA384
16    DPE_DIGEST_SIZE	:=	48U
17else
18    DPE_ALG_ID		:=	DPE_ALG_SHA256
19    DPE_DIGEST_SIZE	:=	32U
20endif #DPE_HASH_ALG
21
22# Set definitions for DICE Protection Environment
23$(eval $(call add_defines,\
24    $(sort \
25        DPE_ALG_ID \
26        DPE_DIGEST_SIZE \
27)))
28
29DPE_SOURCES	+=	drivers/measured_boot/rse/dice_prot_env.c
30