| /* |
| * Copyright (c) 2022-2024, Arm Limited. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <stddef.h> |
| |
| #include <mbedtls/version.h> |
| |
| #include <common/tbbr/cot_def.h> |
| #include <drivers/auth/auth_mod.h> |
| #include <tools_share/cca_oid.h> |
| |
| #include <platform_def.h> |
| |
| /* |
| * Allocate static buffers to store the authentication parameters extracted from |
| * the certificates. |
| */ |
| static unsigned char hw_config_hash_buf[HASH_DER_LEN]; |
| static unsigned char soc_fw_hash_buf[HASH_DER_LEN]; |
| static unsigned char soc_fw_config_hash_buf[HASH_DER_LEN]; |
| static unsigned char rmm_hash_buf[HASH_DER_LEN]; |
| |
| static unsigned char nt_world_bl_hash_buf[HASH_DER_LEN]; |
| static unsigned char tos_fw_hash_buf[HASH_DER_LEN]; |
| static unsigned char tos_fw_config_hash_buf[HASH_DER_LEN]; |
| static unsigned char nt_fw_config_hash_buf[HASH_DER_LEN]; |
| #if defined(SPD_spmd) |
| static unsigned char sp_pkg_hash_buf[MAX_SP_IDS][HASH_DER_LEN]; |
| #endif /* SPD_spmd */ |
| |
| static unsigned char core_swd_pk_buf[PK_DER_LEN]; |
| static unsigned char plat_pk_buf[PK_DER_LEN]; |
| |
| /* |
| * Parameter type descriptors. |
| */ |
| static auth_param_type_desc_t cca_nv_ctr = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_NV_CTR, CCA_FW_NVCOUNTER_OID); |
| static auth_param_type_desc_t subject_pk = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_PUB_KEY, 0); |
| static auth_param_type_desc_t sig = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_SIG, 0); |
| static auth_param_type_desc_t sig_alg = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_SIG_ALG, 0); |
| static auth_param_type_desc_t raw_data = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_RAW_DATA, 0); |
| |
| static auth_param_type_desc_t hw_config_hash = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_HASH, HW_CONFIG_HASH_OID); |
| static auth_param_type_desc_t soc_fw_hash = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_HASH, SOC_AP_FW_HASH_OID); |
| static auth_param_type_desc_t soc_fw_config_hash = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_HASH, SOC_FW_CONFIG_HASH_OID); |
| static auth_param_type_desc_t rmm_hash = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_HASH, RMM_HASH_OID); |
| |
| static auth_param_type_desc_t trusted_nv_ctr = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_NV_CTR, TRUSTED_FW_NVCOUNTER_OID); |
| static auth_param_type_desc_t non_trusted_nv_ctr = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_NV_CTR, NON_TRUSTED_FW_NVCOUNTER_OID); |
| |
| static auth_param_type_desc_t prot_pk = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_PUB_KEY, PROT_PK_OID); |
| static auth_param_type_desc_t swd_rot_pk = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_PUB_KEY, SWD_ROT_PK_OID); |
| static auth_param_type_desc_t core_swd_pk = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_PUB_KEY, CORE_SWD_PK_OID); |
| static auth_param_type_desc_t plat_pk = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_PUB_KEY, PLAT_PK_OID); |
| |
| static auth_param_type_desc_t tos_fw_hash = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_HASH, TRUSTED_OS_FW_HASH_OID); |
| static auth_param_type_desc_t tos_fw_config_hash = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_HASH, TRUSTED_OS_FW_CONFIG_HASH_OID); |
| static auth_param_type_desc_t nt_world_bl_hash = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_HASH, NON_TRUSTED_WORLD_BOOTLOADER_HASH_OID); |
| static auth_param_type_desc_t nt_fw_config_hash = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_HASH, NON_TRUSTED_FW_CONFIG_HASH_OID); |
| #if defined(SPD_spmd) |
| static auth_param_type_desc_t sp_pkg1_hash = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_HASH, SP_PKG1_HASH_OID); |
| static auth_param_type_desc_t sp_pkg2_hash = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_HASH, SP_PKG2_HASH_OID); |
| static auth_param_type_desc_t sp_pkg3_hash = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_HASH, SP_PKG3_HASH_OID); |
| static auth_param_type_desc_t sp_pkg4_hash = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_HASH, SP_PKG4_HASH_OID); |
| static auth_param_type_desc_t sp_pkg5_hash = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_HASH, SP_PKG5_HASH_OID); |
| static auth_param_type_desc_t sp_pkg6_hash = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_HASH, SP_PKG6_HASH_OID); |
| static auth_param_type_desc_t sp_pkg7_hash = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_HASH, SP_PKG7_HASH_OID); |
| static auth_param_type_desc_t sp_pkg8_hash = AUTH_PARAM_TYPE_DESC( |
| AUTH_PARAM_HASH, SP_PKG8_HASH_OID); |
| #endif /* SPD_spmd */ |
| |
| /* CCA Content Certificate */ |
| static const auth_img_desc_t cca_content_cert = { |
| .img_id = CCA_CONTENT_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 |
| } |
| }, |
| [1] = { |
| .type = AUTH_METHOD_NV_CTR, |
| .param.nv_ctr = { |
| .cert_nv_ctr = &cca_nv_ctr, |
| .plat_nv_ctr = &cca_nv_ctr |
| } |
| } |
| }, |
| .authenticated_data = (const auth_param_desc_t[COT_MAX_VERIFIED_PARAMS]) { |
| [0] = { |
| .type_desc = &hw_config_hash, |
| .data = { |
| .ptr = (void *)hw_config_hash_buf, |
| .len = (unsigned int)HASH_DER_LEN |
| } |
| }, |
| [1] = { |
| .type_desc = &soc_fw_hash, |
| .data = { |
| .ptr = (void *)soc_fw_hash_buf, |
| .len = (unsigned int)HASH_DER_LEN |
| } |
| }, |
| [2] = { |
| .type_desc = &soc_fw_config_hash, |
| .data = { |
| .ptr = (void *)soc_fw_config_hash_buf, |
| .len = (unsigned int)HASH_DER_LEN |
| } |
| }, |
| [3] = { |
| .type_desc = &rmm_hash, |
| .data = { |
| .ptr = (void *)rmm_hash_buf, |
| .len = (unsigned int)HASH_DER_LEN |
| } |
| } |
| } |
| }; |
| |
| |
| /* HW Config */ |
| static const auth_img_desc_t hw_config = { |
| .img_id = HW_CONFIG_ID, |
| .img_type = IMG_RAW, |
| .parent = &cca_content_cert, |
| .img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) { |
| [0] = { |
| .type = AUTH_METHOD_HASH, |
| .param.hash = { |
| .data = &raw_data, |
| .hash = &hw_config_hash |
| } |
| } |
| } |
| }; |
| |
| /* BL31 */ |
| static const auth_img_desc_t bl31_image = { |
| .img_id = BL31_IMAGE_ID, |
| .img_type = IMG_RAW, |
| .parent = &cca_content_cert, |
| .img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) { |
| [0] = { |
| .type = AUTH_METHOD_HASH, |
| .param.hash = { |
| .data = &raw_data, |
| .hash = &soc_fw_hash |
| } |
| } |
| } |
| }; |
| |
| /* BL31 Config */ |
| static const auth_img_desc_t soc_fw_config = { |
| .img_id = SOC_FW_CONFIG_ID, |
| .img_type = IMG_RAW, |
| .parent = &cca_content_cert, |
| .img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) { |
| [0] = { |
| .type = AUTH_METHOD_HASH, |
| .param.hash = { |
| .data = &raw_data, |
| .hash = &soc_fw_config_hash |
| } |
| } |
| } |
| }; |
| |
| /* RMM */ |
| static const auth_img_desc_t rmm_image = { |
| .img_id = RMM_IMAGE_ID, |
| .img_type = IMG_RAW, |
| .parent = &cca_content_cert, |
| .img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) { |
| [0] = { |
| .type = AUTH_METHOD_HASH, |
| .param.hash = { |
| .data = &raw_data, |
| .hash = &rmm_hash |
| } |
| } |
| } |
| }; |
| |
| /* Core SWD Key Certificate */ |
| static const auth_img_desc_t core_swd_key_cert = { |
| .img_id = CORE_SWD_KEY_CERT_ID, |
| .img_type = IMG_CERT, |
| .parent = NULL, /* SWD ROOT CERT */ |
| .img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) { |
| [0] = { |
| .type = AUTH_METHOD_SIG, |
| .param.sig = { |
| .pk = &swd_rot_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 = &core_swd_pk, |
| .data = { |
| .ptr = (void *)core_swd_pk_buf, |
| .len = (unsigned int)PK_DER_LEN |
| } |
| } |
| } |
| }; |
| |
| /* SPMC Content Certificate */ |
| static const auth_img_desc_t trusted_os_fw_content_cert = { |
| .img_id = TRUSTED_OS_FW_CONTENT_CERT_ID, |
| .img_type = IMG_CERT, |
| .parent = &core_swd_key_cert, |
| .img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) { |
| [0] = { |
| .type = AUTH_METHOD_SIG, |
| .param.sig = { |
| .pk = &core_swd_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_config_hash, |
| .data = { |
| .ptr = (void *)tos_fw_config_hash_buf, |
| .len = (unsigned int)HASH_DER_LEN |
| } |
| } |
| } |
| }; |
| |
| /* SPMC */ |
| 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 |
| } |
| } |
| } |
| }; |
| |
| /* SPM 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 |
| } |
| } |
| } |
| }; |
| |
| /* Platform Key Certificate */ |
| static const auth_img_desc_t plat_key_cert = { |
| .img_id = PLAT_KEY_CERT_ID, |
| .img_type = IMG_CERT, |
| .parent = NULL, /* PLATFORM ROOT CERT */ |
| .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 = &plat_pk, |
| .data = { |
| .ptr = (void *)plat_pk_buf, |
| .len = (unsigned int)PK_DER_LEN |
| } |
| } |
| } |
| }; |
| |
| /* 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 = &plat_key_cert, |
| .img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) { |
| [0] = { |
| .type = AUTH_METHOD_SIG, |
| .param.sig = { |
| .pk = &plat_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 |
| } |
| } |
| } |
| }; |
| |
| /* |
| * Secure Partitions |
| */ |
| #if defined(SPD_spmd) |
| static const auth_img_desc_t sip_sp_content_cert = { |
| .img_id = SIP_SP_CONTENT_CERT_ID, |
| .img_type = IMG_CERT, |
| .parent = &core_swd_key_cert, |
| .img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) { |
| [0] = { |
| .type = AUTH_METHOD_SIG, |
| .param.sig = { |
| .pk = &core_swd_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 = &sp_pkg1_hash, |
| .data = { |
| .ptr = (void *)sp_pkg_hash_buf[0], |
| .len = (unsigned int)HASH_DER_LEN |
| } |
| }, |
| [1] = { |
| .type_desc = &sp_pkg2_hash, |
| .data = { |
| .ptr = (void *)sp_pkg_hash_buf[1], |
| .len = (unsigned int)HASH_DER_LEN |
| } |
| }, |
| [2] = { |
| .type_desc = &sp_pkg3_hash, |
| .data = { |
| .ptr = (void *)sp_pkg_hash_buf[2], |
| .len = (unsigned int)HASH_DER_LEN |
| } |
| }, |
| [3] = { |
| .type_desc = &sp_pkg4_hash, |
| .data = { |
| .ptr = (void *)sp_pkg_hash_buf[3], |
| .len = (unsigned int)HASH_DER_LEN |
| } |
| } |
| } |
| }; |
| |
| DEFINE_SIP_SP_PKG(1); |
| DEFINE_SIP_SP_PKG(2); |
| DEFINE_SIP_SP_PKG(3); |
| DEFINE_SIP_SP_PKG(4); |
| |
| static const auth_img_desc_t plat_sp_content_cert = { |
| .img_id = PLAT_SP_CONTENT_CERT_ID, |
| .img_type = IMG_CERT, |
| .parent = &plat_key_cert, |
| .img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) { |
| [0] = { |
| .type = AUTH_METHOD_SIG, |
| .param.sig = { |
| .pk = &plat_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 = &sp_pkg5_hash, |
| .data = { |
| .ptr = (void *)sp_pkg_hash_buf[4], |
| .len = (unsigned int)HASH_DER_LEN |
| } |
| }, |
| [1] = { |
| .type_desc = &sp_pkg6_hash, |
| .data = { |
| .ptr = (void *)sp_pkg_hash_buf[5], |
| .len = (unsigned int)HASH_DER_LEN |
| } |
| }, |
| [2] = { |
| .type_desc = &sp_pkg7_hash, |
| .data = { |
| .ptr = (void *)sp_pkg_hash_buf[6], |
| .len = (unsigned int)HASH_DER_LEN |
| } |
| }, |
| [3] = { |
| .type_desc = &sp_pkg8_hash, |
| .data = { |
| .ptr = (void *)sp_pkg_hash_buf[7], |
| .len = (unsigned int)HASH_DER_LEN |
| } |
| } |
| } |
| }; |
| |
| DEFINE_PLAT_SP_PKG(5); |
| DEFINE_PLAT_SP_PKG(6); |
| DEFINE_PLAT_SP_PKG(7); |
| DEFINE_PLAT_SP_PKG(8); |
| #endif /* SPD_spmd */ |
| |
| /* |
| * Chain of trust definition |
| */ |
| |
| static const auth_img_desc_t * const cot_desc[] = { |
| [CCA_CONTENT_CERT_ID] = &cca_content_cert, |
| [HW_CONFIG_ID] = &hw_config, |
| [BL31_IMAGE_ID] = &bl31_image, |
| [SOC_FW_CONFIG_ID] = &soc_fw_config, |
| [RMM_IMAGE_ID] = &rmm_image, |
| [CORE_SWD_KEY_CERT_ID] = &core_swd_key_cert, |
| [TRUSTED_OS_FW_CONTENT_CERT_ID] = &trusted_os_fw_content_cert, |
| [BL32_IMAGE_ID] = &bl32_image, |
| [TOS_FW_CONFIG_ID] = &tos_fw_config, |
| [PLAT_KEY_CERT_ID] = &plat_key_cert, |
| [NON_TRUSTED_FW_CONTENT_CERT_ID] = &non_trusted_fw_content_cert, |
| [BL33_IMAGE_ID] = &bl33_image, |
| [NT_FW_CONFIG_ID] = &nt_fw_config, |
| #if defined(SPD_spmd) |
| [SIP_SP_CONTENT_CERT_ID] = &sip_sp_content_cert, |
| [PLAT_SP_CONTENT_CERT_ID] = &plat_sp_content_cert, |
| [SP_PKG1_ID] = &sp_pkg1, |
| [SP_PKG2_ID] = &sp_pkg2, |
| [SP_PKG3_ID] = &sp_pkg3, |
| [SP_PKG4_ID] = &sp_pkg4, |
| [SP_PKG5_ID] = &sp_pkg5, |
| [SP_PKG6_ID] = &sp_pkg6, |
| [SP_PKG7_ID] = &sp_pkg7, |
| [SP_PKG8_ID] = &sp_pkg8, |
| #endif |
| }; |
| |
| /* Register the CoT in the authentication module */ |
| REGISTER_COT(cot_desc); |