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authorSumit Garg <sumit.garg@linaro.org>2019-11-15 15:34:55 +0530
committerSumit Garg <sumit.garg@linaro.org>2020-03-06 16:40:37 +0530
commit2be57b8658b1206a8fb8a2cfbbd9b15cae4b354d (patch)
tree25df7c21a1cff5b174bc7c2dc2154339d70039ea /include/plat/common/platform.h
parent7cda17bb0f92db39d123a4f2a1732c9978556453 (diff)
downloadtrusted-firmware-a-2be57b8658b1206a8fb8a2cfbbd9b15cae4b354d.tar.gz
TBB: Add an IO abstraction layer to load encrypted firmwares
TBBR spec advocates for optional encryption of firmwares (see optional requirement: R060_TBBR_FUNCTION). So add an IO abstaction layer to support firmware decryption that can be stacked above any underlying IO/ packaging layer like FIP etc. It aims to provide a framework to load any encrypted IO payload. Also, add plat_get_enc_key_info() to be implemented in a platform specific manner as handling of encryption key may vary from one platform to another. Signed-off-by: Sumit Garg <sumit.garg@linaro.org> Change-Id: I9892e0ddf00ebecb8981301dbfa41ea23e078b03
Diffstat (limited to 'include/plat/common/platform.h')
-rw-r--r--include/plat/common/platform.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/plat/common/platform.h b/include/plat/common/platform.h
index 06b334d705..5b5ebb9731 100644
--- a/include/plat/common/platform.h
+++ b/include/plat/common/platform.h
@@ -27,6 +27,7 @@ struct bl_params;
struct mmap_region;
struct spm_mm_boot_info;
struct sp_res_desc;
+enum fw_enc_status_t;
/*******************************************************************************
* plat_get_rotpk_info() flags
@@ -274,6 +275,9 @@ int plat_set_nv_ctr(void *cookie, unsigned int nv_ctr);
int plat_set_nv_ctr2(void *cookie, const struct auth_img_desc_s *img_desc,
unsigned int nv_ctr);
int get_mbedtls_heap_helper(void **heap_addr, size_t *heap_size);
+int plat_get_enc_key_info(enum fw_enc_status_t fw_enc_status, uint8_t *key,
+ size_t *key_len, unsigned int *flags,
+ const uint8_t *img_id, size_t img_id_len);
/*******************************************************************************
* Secure Partitions functions