815 lines
20 KiB
C
815 lines
20 KiB
C
/*
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* Copyright (c) 2020, Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <stddef.h>
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#include <platform_def.h>
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#include <drivers/auth/mbedtls/mbedtls_config.h>
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#include <drivers/auth/auth_mod.h>
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#include <tools_share/dualroot_oid.h>
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/*
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* TODO: Remove dependency on mbedTLS. The chain of trust should be agnostic of
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* the specific cryptographic library in use.
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*/
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/*
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* Maximum key and hash sizes (in DER format).
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*
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* Both RSA and ECDSA keys may be used at the same time. In this case, the key
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* buffers must be big enough to hold either. As RSA keys are bigger than ECDSA
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* ones for all key sizes we support, they impose the minimum size of these
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* buffers.
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*/
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#if TF_MBEDTLS_USE_RSA
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#if TF_MBEDTLS_KEY_SIZE == 1024
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#define PK_DER_LEN 162
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#elif TF_MBEDTLS_KEY_SIZE == 2048
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#define PK_DER_LEN 294
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#elif TF_MBEDTLS_KEY_SIZE == 3072
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#define PK_DER_LEN 422
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#elif TF_MBEDTLS_KEY_SIZE == 4096
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#define PK_DER_LEN 550
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#else
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#error "Invalid value for TF_MBEDTLS_KEY_SIZE"
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#endif
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#else /* Only using ECDSA keys. */
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#define PK_DER_LEN 91
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#endif
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#if TF_MBEDTLS_HASH_ALG_ID == TF_MBEDTLS_SHA256
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#define HASH_DER_LEN 51
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#elif TF_MBEDTLS_HASH_ALG_ID == TF_MBEDTLS_SHA384
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#define HASH_DER_LEN 67
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#elif TF_MBEDTLS_HASH_ALG_ID == TF_MBEDTLS_SHA512
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#define HASH_DER_LEN 83
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#else
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#error "Invalid value for TF_MBEDTLS_HASH_ALG_ID"
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#endif
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/*
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* Allocate static buffers to store the authentication parameters extracted from
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* the certificates.
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*/
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static unsigned char tb_fw_hash_buf[HASH_DER_LEN];
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static unsigned char tb_fw_config_hash_buf[HASH_DER_LEN];
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static unsigned char hw_config_hash_buf[HASH_DER_LEN];
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static unsigned char scp_fw_hash_buf[HASH_DER_LEN];
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static unsigned char nt_world_bl_hash_buf[HASH_DER_LEN];
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#ifdef IMAGE_BL2
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static unsigned char soc_fw_hash_buf[HASH_DER_LEN];
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static unsigned char tos_fw_hash_buf[HASH_DER_LEN];
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static unsigned char tos_fw_extra1_hash_buf[HASH_DER_LEN];
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static unsigned char tos_fw_extra2_hash_buf[HASH_DER_LEN];
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static unsigned char soc_fw_config_hash_buf[HASH_DER_LEN];
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static unsigned char tos_fw_config_hash_buf[HASH_DER_LEN];
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static unsigned char nt_fw_config_hash_buf[HASH_DER_LEN];
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static unsigned char trusted_world_pk_buf[PK_DER_LEN];
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static unsigned char content_pk_buf[PK_DER_LEN];
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#endif
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/*
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* Parameter type descriptors.
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*/
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static auth_param_type_desc_t trusted_nv_ctr = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_NV_CTR, TRUSTED_FW_NVCOUNTER_OID);
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static auth_param_type_desc_t subject_pk = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_PUB_KEY, 0);
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static auth_param_type_desc_t sig = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_SIG, 0);
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static auth_param_type_desc_t sig_alg = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_SIG_ALG, 0);
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static auth_param_type_desc_t raw_data = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_RAW_DATA, 0);
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static auth_param_type_desc_t tb_fw_hash = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_HASH, TRUSTED_BOOT_FW_HASH_OID);
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static auth_param_type_desc_t tb_fw_config_hash = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_HASH, TRUSTED_BOOT_FW_CONFIG_HASH_OID);
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static auth_param_type_desc_t hw_config_hash = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_HASH, HW_CONFIG_HASH_OID);
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#ifdef IMAGE_BL1
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static auth_param_type_desc_t scp_bl2u_hash = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_HASH, SCP_FWU_CFG_HASH_OID);
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static auth_param_type_desc_t bl2u_hash = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_HASH, AP_FWU_CFG_HASH_OID);
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static auth_param_type_desc_t ns_bl2u_hash = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_HASH, FWU_HASH_OID);
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#endif /* IMAGE_BL1 */
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#ifdef IMAGE_BL2
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static auth_param_type_desc_t non_trusted_nv_ctr = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_NV_CTR, NON_TRUSTED_FW_NVCOUNTER_OID);
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static auth_param_type_desc_t trusted_world_pk = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_PUB_KEY, TRUSTED_WORLD_PK_OID);
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static auth_param_type_desc_t scp_fw_content_pk = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_PUB_KEY, SCP_FW_CONTENT_CERT_PK_OID);
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static auth_param_type_desc_t soc_fw_content_pk = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_PUB_KEY, SOC_FW_CONTENT_CERT_PK_OID);
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static auth_param_type_desc_t tos_fw_content_pk = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_PUB_KEY, TRUSTED_OS_FW_CONTENT_CERT_PK_OID);
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static auth_param_type_desc_t prot_pk = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_PUB_KEY, PROT_PK_OID);
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static auth_param_type_desc_t scp_fw_hash = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_HASH, SCP_FW_HASH_OID);
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static auth_param_type_desc_t soc_fw_hash = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_HASH, SOC_AP_FW_HASH_OID);
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static auth_param_type_desc_t soc_fw_config_hash = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_HASH, SOC_FW_CONFIG_HASH_OID);
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static auth_param_type_desc_t tos_fw_hash = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_HASH, TRUSTED_OS_FW_HASH_OID);
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static auth_param_type_desc_t tos_fw_config_hash = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_HASH, TRUSTED_OS_FW_CONFIG_HASH_OID);
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static auth_param_type_desc_t tos_fw_extra1_hash = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_HASH, TRUSTED_OS_FW_EXTRA1_HASH_OID);
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static auth_param_type_desc_t tos_fw_extra2_hash = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_HASH, TRUSTED_OS_FW_EXTRA2_HASH_OID);
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static auth_param_type_desc_t nt_world_bl_hash = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_HASH, NON_TRUSTED_WORLD_BOOTLOADER_HASH_OID);
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static auth_param_type_desc_t nt_fw_config_hash = AUTH_PARAM_TYPE_DESC(
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AUTH_PARAM_HASH, NON_TRUSTED_FW_CONFIG_HASH_OID);
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#endif /* IMAGE_BL2 */
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/* BL2 */
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static const auth_img_desc_t trusted_boot_fw_cert = {
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.img_id = TRUSTED_BOOT_FW_CERT_ID,
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.img_type = IMG_CERT,
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.parent = NULL,
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.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
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[0] = {
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.type = AUTH_METHOD_SIG,
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.param.sig = {
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.pk = &subject_pk,
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.sig = &sig,
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.alg = &sig_alg,
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.data = &raw_data
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}
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},
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[1] = {
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.type = AUTH_METHOD_NV_CTR,
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.param.nv_ctr = {
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.cert_nv_ctr = &trusted_nv_ctr,
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.plat_nv_ctr = &trusted_nv_ctr
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}
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}
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},
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.authenticated_data = (const auth_param_desc_t[COT_MAX_VERIFIED_PARAMS]) {
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[0] = {
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.type_desc = &tb_fw_hash,
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.data = {
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.ptr = (void *)tb_fw_hash_buf,
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.len = (unsigned int)HASH_DER_LEN
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}
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},
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[1] = {
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.type_desc = &tb_fw_config_hash,
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.data = {
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.ptr = (void *)tb_fw_config_hash_buf,
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.len = (unsigned int)HASH_DER_LEN
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}
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},
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[2] = {
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.type_desc = &hw_config_hash,
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.data = {
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.ptr = (void *)hw_config_hash_buf,
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.len = (unsigned int)HASH_DER_LEN
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}
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}
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}
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};
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#ifdef IMAGE_BL1
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static const auth_img_desc_t bl2_image = {
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.img_id = BL2_IMAGE_ID,
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.img_type = IMG_RAW,
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.parent = &trusted_boot_fw_cert,
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.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
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[0] = {
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.type = AUTH_METHOD_HASH,
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.param.hash = {
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.data = &raw_data,
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.hash = &tb_fw_hash
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}
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}
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}
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};
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#endif /* IMAGE_BL1 */
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/* HW Config */
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static const auth_img_desc_t hw_config = {
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.img_id = HW_CONFIG_ID,
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.img_type = IMG_RAW,
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.parent = &trusted_boot_fw_cert,
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.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
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[0] = {
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.type = AUTH_METHOD_HASH,
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.param.hash = {
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.data = &raw_data,
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.hash = &hw_config_hash
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}
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}
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}
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};
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/* TB FW Config */
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#ifdef IMAGE_BL1
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static const auth_img_desc_t tb_fw_config = {
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.img_id = TB_FW_CONFIG_ID,
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.img_type = IMG_RAW,
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.parent = &trusted_boot_fw_cert,
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.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
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[0] = {
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.type = AUTH_METHOD_HASH,
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.param.hash = {
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.data = &raw_data,
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.hash = &tb_fw_config_hash
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}
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}
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}
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};
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#endif /* IMAGE_BL1 */
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#ifdef IMAGE_BL2
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/* Trusted key certificate */
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static const auth_img_desc_t trusted_key_cert = {
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.img_id = TRUSTED_KEY_CERT_ID,
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.img_type = IMG_CERT,
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.parent = NULL,
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.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
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[0] = {
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.type = AUTH_METHOD_SIG,
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.param.sig = {
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.pk = &subject_pk,
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.sig = &sig,
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.alg = &sig_alg,
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.data = &raw_data
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}
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},
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[1] = {
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.type = AUTH_METHOD_NV_CTR,
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.param.nv_ctr = {
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.cert_nv_ctr = &trusted_nv_ctr,
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.plat_nv_ctr = &trusted_nv_ctr
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}
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}
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},
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.authenticated_data = (const auth_param_desc_t[COT_MAX_VERIFIED_PARAMS]) {
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[0] = {
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.type_desc = &trusted_world_pk,
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.data = {
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.ptr = (void *)trusted_world_pk_buf,
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.len = (unsigned int)PK_DER_LEN
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}
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},
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}
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};
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/* SCP Firmware */
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static const auth_img_desc_t scp_fw_key_cert = {
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.img_id = SCP_FW_KEY_CERT_ID,
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.img_type = IMG_CERT,
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.parent = &trusted_key_cert,
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.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
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[0] = {
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.type = AUTH_METHOD_SIG,
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.param.sig = {
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.pk = &trusted_world_pk,
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.sig = &sig,
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.alg = &sig_alg,
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.data = &raw_data
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}
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},
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[1] = {
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.type = AUTH_METHOD_NV_CTR,
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.param.nv_ctr = {
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.cert_nv_ctr = &trusted_nv_ctr,
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.plat_nv_ctr = &trusted_nv_ctr
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}
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}
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},
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.authenticated_data = (const auth_param_desc_t[COT_MAX_VERIFIED_PARAMS]) {
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[0] = {
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.type_desc = &scp_fw_content_pk,
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.data = {
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.ptr = (void *)content_pk_buf,
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.len = (unsigned int)PK_DER_LEN
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}
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}
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}
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};
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static const auth_img_desc_t scp_fw_content_cert = {
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.img_id = SCP_FW_CONTENT_CERT_ID,
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.img_type = IMG_CERT,
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.parent = &scp_fw_key_cert,
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.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
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[0] = {
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.type = AUTH_METHOD_SIG,
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.param.sig = {
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.pk = &scp_fw_content_pk,
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.sig = &sig,
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.alg = &sig_alg,
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.data = &raw_data
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}
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},
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[1] = {
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.type = AUTH_METHOD_NV_CTR,
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.param.nv_ctr = {
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.cert_nv_ctr = &trusted_nv_ctr,
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.plat_nv_ctr = &trusted_nv_ctr
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}
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}
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},
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.authenticated_data = (const auth_param_desc_t[COT_MAX_VERIFIED_PARAMS]) {
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[0] = {
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.type_desc = &scp_fw_hash,
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.data = {
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.ptr = (void *)scp_fw_hash_buf,
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.len = (unsigned int)HASH_DER_LEN
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}
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}
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}
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};
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static const auth_img_desc_t scp_bl2_image = {
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.img_id = SCP_BL2_IMAGE_ID,
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.img_type = IMG_RAW,
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.parent = &scp_fw_content_cert,
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.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
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[0] = {
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.type = AUTH_METHOD_HASH,
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.param.hash = {
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.data = &raw_data,
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.hash = &scp_fw_hash
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}
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}
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}
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};
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/* SoC Firmware */
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static const auth_img_desc_t soc_fw_key_cert = {
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.img_id = SOC_FW_KEY_CERT_ID,
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.img_type = IMG_CERT,
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.parent = &trusted_key_cert,
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.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
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[0] = {
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.type = AUTH_METHOD_SIG,
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.param.sig = {
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.pk = &trusted_world_pk,
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.sig = &sig,
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.alg = &sig_alg,
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.data = &raw_data
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}
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},
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[1] = {
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.type = AUTH_METHOD_NV_CTR,
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.param.nv_ctr = {
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.cert_nv_ctr = &trusted_nv_ctr,
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.plat_nv_ctr = &trusted_nv_ctr
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}
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}
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},
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.authenticated_data = (const auth_param_desc_t[COT_MAX_VERIFIED_PARAMS]) {
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[0] = {
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.type_desc = &soc_fw_content_pk,
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.data = {
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.ptr = (void *)content_pk_buf,
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.len = (unsigned int)PK_DER_LEN
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}
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}
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}
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};
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static const auth_img_desc_t soc_fw_content_cert = {
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.img_id = SOC_FW_CONTENT_CERT_ID,
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.img_type = IMG_CERT,
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.parent = &soc_fw_key_cert,
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.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
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[0] = {
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.type = AUTH_METHOD_SIG,
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.param.sig = {
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.pk = &soc_fw_content_pk,
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.sig = &sig,
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.alg = &sig_alg,
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.data = &raw_data
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}
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},
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[1] = {
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.type = AUTH_METHOD_NV_CTR,
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.param.nv_ctr = {
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.cert_nv_ctr = &trusted_nv_ctr,
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.plat_nv_ctr = &trusted_nv_ctr
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}
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}
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},
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.authenticated_data = (const auth_param_desc_t[COT_MAX_VERIFIED_PARAMS]) {
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[0] = {
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.type_desc = &soc_fw_hash,
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.data = {
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.ptr = (void *)soc_fw_hash_buf,
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.len = (unsigned int)HASH_DER_LEN
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}
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},
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[1] = {
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.type_desc = &soc_fw_config_hash,
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.data = {
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.ptr = (void *)soc_fw_config_hash_buf,
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.len = (unsigned int)HASH_DER_LEN
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}
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}
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}
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};
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static const auth_img_desc_t bl31_image = {
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.img_id = BL31_IMAGE_ID,
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.img_type = IMG_RAW,
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.parent = &soc_fw_content_cert,
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.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
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[0] = {
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.type = AUTH_METHOD_HASH,
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.param.hash = {
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.data = &raw_data,
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.hash = &soc_fw_hash
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}
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}
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}
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};
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/* SOC FW Config */
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static const auth_img_desc_t soc_fw_config = {
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.img_id = SOC_FW_CONFIG_ID,
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.img_type = IMG_RAW,
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.parent = &soc_fw_content_cert,
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.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
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[0] = {
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.type = AUTH_METHOD_HASH,
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.param.hash = {
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.data = &raw_data,
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.hash = &soc_fw_config_hash
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}
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}
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|
}
|
|
};
|
|
|
|
/* Trusted OS Firmware */
|
|
static const auth_img_desc_t trusted_os_fw_key_cert = {
|
|
.img_id = TRUSTED_OS_FW_KEY_CERT_ID,
|
|
.img_type = IMG_CERT,
|
|
.parent = &trusted_key_cert,
|
|
.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
|
|
[0] = {
|
|
.type = AUTH_METHOD_SIG,
|
|
.param.sig = {
|
|
.pk = &trusted_world_pk,
|
|
.sig = &sig,
|
|
.alg = &sig_alg,
|
|
.data = &raw_data
|
|
}
|
|
},
|
|
[1] = {
|
|
.type = AUTH_METHOD_NV_CTR,
|
|
.param.nv_ctr = {
|
|
.cert_nv_ctr = &trusted_nv_ctr,
|
|
.plat_nv_ctr = &trusted_nv_ctr
|
|
}
|
|
}
|
|
},
|
|
.authenticated_data = (const auth_param_desc_t[COT_MAX_VERIFIED_PARAMS]) {
|
|
[0] = {
|
|
.type_desc = &tos_fw_content_pk,
|
|
.data = {
|
|
.ptr = (void *)content_pk_buf,
|
|
.len = (unsigned int)PK_DER_LEN
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
static const auth_img_desc_t trusted_os_fw_content_cert = {
|
|
.img_id = TRUSTED_OS_FW_CONTENT_CERT_ID,
|
|
.img_type = IMG_CERT,
|
|
.parent = &trusted_os_fw_key_cert,
|
|
.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
|
|
[0] = {
|
|
.type = AUTH_METHOD_SIG,
|
|
.param.sig = {
|
|
.pk = &tos_fw_content_pk,
|
|
.sig = &sig,
|
|
.alg = &sig_alg,
|
|
.data = &raw_data
|
|
}
|
|
},
|
|
[1] = {
|
|
.type = AUTH_METHOD_NV_CTR,
|
|
.param.nv_ctr = {
|
|
.cert_nv_ctr = &trusted_nv_ctr,
|
|
.plat_nv_ctr = &trusted_nv_ctr
|
|
}
|
|
}
|
|
},
|
|
.authenticated_data = (const auth_param_desc_t[COT_MAX_VERIFIED_PARAMS]) {
|
|
[0] = {
|
|
.type_desc = &tos_fw_hash,
|
|
.data = {
|
|
.ptr = (void *)tos_fw_hash_buf,
|
|
.len = (unsigned int)HASH_DER_LEN
|
|
}
|
|
},
|
|
[1] = {
|
|
.type_desc = &tos_fw_extra1_hash,
|
|
.data = {
|
|
.ptr = (void *)tos_fw_extra1_hash_buf,
|
|
.len = (unsigned int)HASH_DER_LEN
|
|
}
|
|
},
|
|
[2] = {
|
|
.type_desc = &tos_fw_extra2_hash,
|
|
.data = {
|
|
.ptr = (void *)tos_fw_extra2_hash_buf,
|
|
.len = (unsigned int)HASH_DER_LEN
|
|
}
|
|
},
|
|
[3] = {
|
|
.type_desc = &tos_fw_config_hash,
|
|
.data = {
|
|
.ptr = (void *)tos_fw_config_hash_buf,
|
|
.len = (unsigned int)HASH_DER_LEN
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
static const auth_img_desc_t bl32_image = {
|
|
.img_id = BL32_IMAGE_ID,
|
|
.img_type = IMG_RAW,
|
|
.parent = &trusted_os_fw_content_cert,
|
|
.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
|
|
[0] = {
|
|
.type = AUTH_METHOD_HASH,
|
|
.param.hash = {
|
|
.data = &raw_data,
|
|
.hash = &tos_fw_hash
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
static const auth_img_desc_t bl32_extra1_image = {
|
|
.img_id = BL32_EXTRA1_IMAGE_ID,
|
|
.img_type = IMG_RAW,
|
|
.parent = &trusted_os_fw_content_cert,
|
|
.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
|
|
[0] = {
|
|
.type = AUTH_METHOD_HASH,
|
|
.param.hash = {
|
|
.data = &raw_data,
|
|
.hash = &tos_fw_extra1_hash
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
static const auth_img_desc_t bl32_extra2_image = {
|
|
.img_id = BL32_EXTRA2_IMAGE_ID,
|
|
.img_type = IMG_RAW,
|
|
.parent = &trusted_os_fw_content_cert,
|
|
.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
|
|
[0] = {
|
|
.type = AUTH_METHOD_HASH,
|
|
.param.hash = {
|
|
.data = &raw_data,
|
|
.hash = &tos_fw_extra2_hash
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/* TOS FW Config */
|
|
static const auth_img_desc_t tos_fw_config = {
|
|
.img_id = TOS_FW_CONFIG_ID,
|
|
.img_type = IMG_RAW,
|
|
.parent = &trusted_os_fw_content_cert,
|
|
.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
|
|
[0] = {
|
|
.type = AUTH_METHOD_HASH,
|
|
.param.hash = {
|
|
.data = &raw_data,
|
|
.hash = &tos_fw_config_hash
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/* Non-Trusted Firmware */
|
|
static const auth_img_desc_t non_trusted_fw_content_cert = {
|
|
.img_id = NON_TRUSTED_FW_CONTENT_CERT_ID,
|
|
.img_type = IMG_CERT,
|
|
.parent = NULL, /* Root certificate. */
|
|
.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
|
|
[0] = {
|
|
.type = AUTH_METHOD_SIG,
|
|
.param.sig = {
|
|
.pk = &prot_pk,
|
|
.sig = &sig,
|
|
.alg = &sig_alg,
|
|
.data = &raw_data
|
|
}
|
|
},
|
|
[1] = {
|
|
.type = AUTH_METHOD_NV_CTR,
|
|
.param.nv_ctr = {
|
|
.cert_nv_ctr = &non_trusted_nv_ctr,
|
|
.plat_nv_ctr = &non_trusted_nv_ctr
|
|
}
|
|
}
|
|
},
|
|
.authenticated_data = (const auth_param_desc_t[COT_MAX_VERIFIED_PARAMS]) {
|
|
[0] = {
|
|
.type_desc = &nt_world_bl_hash,
|
|
.data = {
|
|
.ptr = (void *)nt_world_bl_hash_buf,
|
|
.len = (unsigned int)HASH_DER_LEN
|
|
}
|
|
},
|
|
[1] = {
|
|
.type_desc = &nt_fw_config_hash,
|
|
.data = {
|
|
.ptr = (void *)nt_fw_config_hash_buf,
|
|
.len = (unsigned int)HASH_DER_LEN
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
static const auth_img_desc_t bl33_image = {
|
|
.img_id = BL33_IMAGE_ID,
|
|
.img_type = IMG_RAW,
|
|
.parent = &non_trusted_fw_content_cert,
|
|
.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
|
|
[0] = {
|
|
.type = AUTH_METHOD_HASH,
|
|
.param.hash = {
|
|
.data = &raw_data,
|
|
.hash = &nt_world_bl_hash
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/* NT FW Config */
|
|
static const auth_img_desc_t nt_fw_config = {
|
|
.img_id = NT_FW_CONFIG_ID,
|
|
.img_type = IMG_RAW,
|
|
.parent = &non_trusted_fw_content_cert,
|
|
.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
|
|
[0] = {
|
|
.type = AUTH_METHOD_HASH,
|
|
.param.hash = {
|
|
.data = &raw_data,
|
|
.hash = &nt_fw_config_hash
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
#else /* IMAGE_BL2 */
|
|
|
|
/* FWU auth descriptor */
|
|
static const auth_img_desc_t fwu_cert = {
|
|
.img_id = FWU_CERT_ID,
|
|
.img_type = IMG_CERT,
|
|
.parent = NULL,
|
|
.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
|
|
[0] = {
|
|
.type = AUTH_METHOD_SIG,
|
|
.param.sig = {
|
|
.pk = &subject_pk,
|
|
.sig = &sig,
|
|
.alg = &sig_alg,
|
|
.data = &raw_data
|
|
}
|
|
}
|
|
},
|
|
.authenticated_data = (const auth_param_desc_t[COT_MAX_VERIFIED_PARAMS]) {
|
|
[0] = {
|
|
.type_desc = &scp_bl2u_hash,
|
|
.data = {
|
|
.ptr = (void *)scp_fw_hash_buf,
|
|
.len = (unsigned int)HASH_DER_LEN
|
|
}
|
|
},
|
|
[1] = {
|
|
.type_desc = &bl2u_hash,
|
|
.data = {
|
|
.ptr = (void *)tb_fw_hash_buf,
|
|
.len = (unsigned int)HASH_DER_LEN
|
|
}
|
|
},
|
|
[2] = {
|
|
.type_desc = &ns_bl2u_hash,
|
|
.data = {
|
|
.ptr = (void *)nt_world_bl_hash_buf,
|
|
.len = (unsigned int)HASH_DER_LEN
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/* SCP_BL2U */
|
|
static const auth_img_desc_t scp_bl2u_image = {
|
|
.img_id = SCP_BL2U_IMAGE_ID,
|
|
.img_type = IMG_RAW,
|
|
.parent = &fwu_cert,
|
|
.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
|
|
[0] = {
|
|
.type = AUTH_METHOD_HASH,
|
|
.param.hash = {
|
|
.data = &raw_data,
|
|
.hash = &scp_bl2u_hash
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/* BL2U */
|
|
static const auth_img_desc_t bl2u_image = {
|
|
.img_id = BL2U_IMAGE_ID,
|
|
.img_type = IMG_RAW,
|
|
.parent = &fwu_cert,
|
|
.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
|
|
[0] = {
|
|
.type = AUTH_METHOD_HASH,
|
|
.param.hash = {
|
|
.data = &raw_data,
|
|
.hash = &bl2u_hash
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/* NS_BL2U */
|
|
static const auth_img_desc_t ns_bl2u_image = {
|
|
.img_id = NS_BL2U_IMAGE_ID,
|
|
.img_type = IMG_RAW,
|
|
.parent = &fwu_cert,
|
|
.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
|
|
[0] = {
|
|
.type = AUTH_METHOD_HASH,
|
|
.param.hash = {
|
|
.data = &raw_data,
|
|
.hash = &ns_bl2u_hash
|
|
}
|
|
}
|
|
}
|
|
};
|
|
#endif /* IMAGE_BL2 */
|
|
|
|
/*
|
|
* Chain of trust definition
|
|
*/
|
|
#ifdef IMAGE_BL1
|
|
static const auth_img_desc_t * const cot_desc[] = {
|
|
[TRUSTED_BOOT_FW_CERT_ID] = &trusted_boot_fw_cert,
|
|
[BL2_IMAGE_ID] = &bl2_image,
|
|
[HW_CONFIG_ID] = &hw_config,
|
|
[TB_FW_CONFIG_ID] = &tb_fw_config,
|
|
[FWU_CERT_ID] = &fwu_cert,
|
|
[SCP_BL2U_IMAGE_ID] = &scp_bl2u_image,
|
|
[BL2U_IMAGE_ID] = &bl2u_image,
|
|
[NS_BL2U_IMAGE_ID] = &ns_bl2u_image
|
|
};
|
|
#else /* IMAGE_BL2 */
|
|
static const auth_img_desc_t * const cot_desc[] = {
|
|
[TRUSTED_BOOT_FW_CERT_ID] = &trusted_boot_fw_cert,
|
|
[HW_CONFIG_ID] = &hw_config,
|
|
[TRUSTED_KEY_CERT_ID] = &trusted_key_cert,
|
|
[SCP_FW_KEY_CERT_ID] = &scp_fw_key_cert,
|
|
[SCP_FW_CONTENT_CERT_ID] = &scp_fw_content_cert,
|
|
[SCP_BL2_IMAGE_ID] = &scp_bl2_image,
|
|
[SOC_FW_KEY_CERT_ID] = &soc_fw_key_cert,
|
|
[SOC_FW_CONTENT_CERT_ID] = &soc_fw_content_cert,
|
|
[BL31_IMAGE_ID] = &bl31_image,
|
|
[SOC_FW_CONFIG_ID] = &soc_fw_config,
|
|
[TRUSTED_OS_FW_KEY_CERT_ID] = &trusted_os_fw_key_cert,
|
|
[TRUSTED_OS_FW_CONTENT_CERT_ID] = &trusted_os_fw_content_cert,
|
|
[BL32_IMAGE_ID] = &bl32_image,
|
|
[BL32_EXTRA1_IMAGE_ID] = &bl32_extra1_image,
|
|
[BL32_EXTRA2_IMAGE_ID] = &bl32_extra2_image,
|
|
[TOS_FW_CONFIG_ID] = &tos_fw_config,
|
|
[NON_TRUSTED_FW_CONTENT_CERT_ID] = &non_trusted_fw_content_cert,
|
|
[BL33_IMAGE_ID] = &bl33_image,
|
|
[NT_FW_CONFIG_ID] = &nt_fw_config,
|
|
};
|
|
#endif
|
|
|
|
/* Register the CoT in the authentication module */
|
|
REGISTER_COT(cot_desc);
|