diff --git a/drivers/auth/dualroot/cot.c b/drivers/auth/dualroot/cot.c new file mode 100644 index 0000000..eb0b020 --- /dev/null +++ b/drivers/auth/dualroot/cot.c @@ -0,0 +1,814 @@ +/* + * Copyright (c) 2020, Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include + +#include + +#include +#include +#include + +/* + * TODO: Remove dependency on mbedTLS. The chain of trust should be agnostic of + * the specific cryptographic library in use. +*/ +/* + * Maximum key and hash sizes (in DER format). + * + * Both RSA and ECDSA keys may be used at the same time. In this case, the key + * buffers must be big enough to hold either. As RSA keys are bigger than ECDSA + * ones for all key sizes we support, they impose the minimum size of these + * buffers. + */ +#if TF_MBEDTLS_USE_RSA +#if TF_MBEDTLS_KEY_SIZE == 1024 +#define PK_DER_LEN 162 +#elif TF_MBEDTLS_KEY_SIZE == 2048 +#define PK_DER_LEN 294 +#elif TF_MBEDTLS_KEY_SIZE == 3072 +#define PK_DER_LEN 422 +#elif TF_MBEDTLS_KEY_SIZE == 4096 +#define PK_DER_LEN 550 +#else +#error "Invalid value for TF_MBEDTLS_KEY_SIZE" +#endif +#else /* Only using ECDSA keys. */ +#define PK_DER_LEN 91 +#endif + +#if TF_MBEDTLS_HASH_ALG_ID == TF_MBEDTLS_SHA256 +#define HASH_DER_LEN 51 +#elif TF_MBEDTLS_HASH_ALG_ID == TF_MBEDTLS_SHA384 +#define HASH_DER_LEN 67 +#elif TF_MBEDTLS_HASH_ALG_ID == TF_MBEDTLS_SHA512 +#define HASH_DER_LEN 83 +#else +#error "Invalid value for TF_MBEDTLS_HASH_ALG_ID" +#endif + +/* + * Allocate static buffers to store the authentication parameters extracted from + * the certificates. + */ +static unsigned char tb_fw_hash_buf[HASH_DER_LEN]; +static unsigned char tb_fw_config_hash_buf[HASH_DER_LEN]; +static unsigned char hw_config_hash_buf[HASH_DER_LEN]; +static unsigned char scp_fw_hash_buf[HASH_DER_LEN]; +static unsigned char nt_world_bl_hash_buf[HASH_DER_LEN]; + +#ifdef IMAGE_BL2 +static unsigned char soc_fw_hash_buf[HASH_DER_LEN]; +static unsigned char tos_fw_hash_buf[HASH_DER_LEN]; +static unsigned char tos_fw_extra1_hash_buf[HASH_DER_LEN]; +static unsigned char tos_fw_extra2_hash_buf[HASH_DER_LEN]; +static unsigned char soc_fw_config_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]; + +static unsigned char trusted_world_pk_buf[PK_DER_LEN]; +static unsigned char content_pk_buf[PK_DER_LEN]; +#endif + +/* + * Parameter type descriptors. + */ +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 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 tb_fw_hash = AUTH_PARAM_TYPE_DESC( + AUTH_PARAM_HASH, TRUSTED_BOOT_FW_HASH_OID); +static auth_param_type_desc_t tb_fw_config_hash = AUTH_PARAM_TYPE_DESC( + AUTH_PARAM_HASH, TRUSTED_BOOT_FW_CONFIG_HASH_OID); +static auth_param_type_desc_t hw_config_hash = AUTH_PARAM_TYPE_DESC( + AUTH_PARAM_HASH, HW_CONFIG_HASH_OID); +#ifdef IMAGE_BL1 +static auth_param_type_desc_t scp_bl2u_hash = AUTH_PARAM_TYPE_DESC( + AUTH_PARAM_HASH, SCP_FWU_CFG_HASH_OID); +static auth_param_type_desc_t bl2u_hash = AUTH_PARAM_TYPE_DESC( + AUTH_PARAM_HASH, AP_FWU_CFG_HASH_OID); +static auth_param_type_desc_t ns_bl2u_hash = AUTH_PARAM_TYPE_DESC( + AUTH_PARAM_HASH, FWU_HASH_OID); +#endif /* IMAGE_BL1 */ + +#ifdef IMAGE_BL2 +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 trusted_world_pk = AUTH_PARAM_TYPE_DESC( + AUTH_PARAM_PUB_KEY, TRUSTED_WORLD_PK_OID); +static auth_param_type_desc_t scp_fw_content_pk = AUTH_PARAM_TYPE_DESC( + AUTH_PARAM_PUB_KEY, SCP_FW_CONTENT_CERT_PK_OID); +static auth_param_type_desc_t soc_fw_content_pk = AUTH_PARAM_TYPE_DESC( + AUTH_PARAM_PUB_KEY, SOC_FW_CONTENT_CERT_PK_OID); +static auth_param_type_desc_t tos_fw_content_pk = AUTH_PARAM_TYPE_DESC( + AUTH_PARAM_PUB_KEY, TRUSTED_OS_FW_CONTENT_CERT_PK_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 scp_fw_hash = AUTH_PARAM_TYPE_DESC( + AUTH_PARAM_HASH, SCP_FW_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 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 tos_fw_extra1_hash = AUTH_PARAM_TYPE_DESC( + AUTH_PARAM_HASH, TRUSTED_OS_FW_EXTRA1_HASH_OID); +static auth_param_type_desc_t tos_fw_extra2_hash = AUTH_PARAM_TYPE_DESC( + AUTH_PARAM_HASH, TRUSTED_OS_FW_EXTRA2_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); +#endif /* IMAGE_BL2 */ + + +/* BL2 */ +static const auth_img_desc_t trusted_boot_fw_cert = { + .img_id = TRUSTED_BOOT_FW_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 = &trusted_nv_ctr, + .plat_nv_ctr = &trusted_nv_ctr + } + } + }, + .authenticated_data = (const auth_param_desc_t[COT_MAX_VERIFIED_PARAMS]) { + [0] = { + .type_desc = &tb_fw_hash, + .data = { + .ptr = (void *)tb_fw_hash_buf, + .len = (unsigned int)HASH_DER_LEN + } + }, + [1] = { + .type_desc = &tb_fw_config_hash, + .data = { + .ptr = (void *)tb_fw_config_hash_buf, + .len = (unsigned int)HASH_DER_LEN + } + }, + [2] = { + .type_desc = &hw_config_hash, + .data = { + .ptr = (void *)hw_config_hash_buf, + .len = (unsigned int)HASH_DER_LEN + } + } + } +}; + +#ifdef IMAGE_BL1 +static const auth_img_desc_t bl2_image = { + .img_id = BL2_IMAGE_ID, + .img_type = IMG_RAW, + .parent = &trusted_boot_fw_cert, + .img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) { + [0] = { + .type = AUTH_METHOD_HASH, + .param.hash = { + .data = &raw_data, + .hash = &tb_fw_hash + } + } + } +}; +#endif /* IMAGE_BL1 */ + +/* HW Config */ +static const auth_img_desc_t hw_config = { + .img_id = HW_CONFIG_ID, + .img_type = IMG_RAW, + .parent = &trusted_boot_fw_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 + } + } + } +}; + +/* TB FW Config */ +#ifdef IMAGE_BL1 +static const auth_img_desc_t tb_fw_config = { + .img_id = TB_FW_CONFIG_ID, + .img_type = IMG_RAW, + .parent = &trusted_boot_fw_cert, + .img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) { + [0] = { + .type = AUTH_METHOD_HASH, + .param.hash = { + .data = &raw_data, + .hash = &tb_fw_config_hash + } + } + } +}; +#endif /* IMAGE_BL1 */ + +#ifdef IMAGE_BL2 +/* Trusted key certificate */ +static const auth_img_desc_t trusted_key_cert = { + .img_id = TRUSTED_KEY_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 = &trusted_nv_ctr, + .plat_nv_ctr = &trusted_nv_ctr + } + } + }, + .authenticated_data = (const auth_param_desc_t[COT_MAX_VERIFIED_PARAMS]) { + [0] = { + .type_desc = &trusted_world_pk, + .data = { + .ptr = (void *)trusted_world_pk_buf, + .len = (unsigned int)PK_DER_LEN + } + }, + } +}; + +/* SCP Firmware */ +static const auth_img_desc_t scp_fw_key_cert = { + .img_id = SCP_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 = &scp_fw_content_pk, + .data = { + .ptr = (void *)content_pk_buf, + .len = (unsigned int)PK_DER_LEN + } + } + } +}; + +static const auth_img_desc_t scp_fw_content_cert = { + .img_id = SCP_FW_CONTENT_CERT_ID, + .img_type = IMG_CERT, + .parent = &scp_fw_key_cert, + .img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) { + [0] = { + .type = AUTH_METHOD_SIG, + .param.sig = { + .pk = &scp_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 = &scp_fw_hash, + .data = { + .ptr = (void *)scp_fw_hash_buf, + .len = (unsigned int)HASH_DER_LEN + } + } + } +}; + +static const auth_img_desc_t scp_bl2_image = { + .img_id = SCP_BL2_IMAGE_ID, + .img_type = IMG_RAW, + .parent = &scp_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 = &scp_fw_hash + } + } + } +}; + +/* SoC Firmware */ +static const auth_img_desc_t soc_fw_key_cert = { + .img_id = SOC_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 = &soc_fw_content_pk, + .data = { + .ptr = (void *)content_pk_buf, + .len = (unsigned int)PK_DER_LEN + } + } + } +}; + +static const auth_img_desc_t soc_fw_content_cert = { + .img_id = SOC_FW_CONTENT_CERT_ID, + .img_type = IMG_CERT, + .parent = &soc_fw_key_cert, + .img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) { + [0] = { + .type = AUTH_METHOD_SIG, + .param.sig = { + .pk = &soc_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 = &soc_fw_hash, + .data = { + .ptr = (void *)soc_fw_hash_buf, + .len = (unsigned int)HASH_DER_LEN + } + }, + [1] = { + .type_desc = &soc_fw_config_hash, + .data = { + .ptr = (void *)soc_fw_config_hash_buf, + .len = (unsigned int)HASH_DER_LEN + } + } + } +}; + +static const auth_img_desc_t bl31_image = { + .img_id = BL31_IMAGE_ID, + .img_type = IMG_RAW, + .parent = &soc_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 = &soc_fw_hash + } + } + } +}; + +/* SOC FW Config */ +static const auth_img_desc_t soc_fw_config = { + .img_id = SOC_FW_CONFIG_ID, + .img_type = IMG_RAW, + .parent = &soc_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 = &soc_fw_config_hash + } + } + } +}; + +/* 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); diff --git a/include/tools_share/dualroot_oid.h b/include/tools_share/dualroot_oid.h new file mode 100644 index 0000000..3e88a6d --- /dev/null +++ b/include/tools_share/dualroot_oid.h @@ -0,0 +1,19 @@ +/* + * Copyright (c) 2020, Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef DUALROOT_OID_H +#define DUALROOT_OID_H + +/* Reuse the Object IDs defined by TBBR for certificate extensions. */ +#include "tbbr_oid.h" + +/* + * Platform root-of-trust public key. + * Arbitrary value that does not conflict with any of the TBBR reserved OIDs. + */ +#define PROT_PK_OID "1.3.6.1.4.1.4128.2100.1102" + +#endif /* DUALROOT_OID_H */ diff --git a/make_helpers/tbbr/tbbr_tools.mk b/make_helpers/tbbr/tbbr_tools.mk index 9c47cc7..f0adfe1 100644 --- a/make_helpers/tbbr/tbbr_tools.mk +++ b/make_helpers/tbbr/tbbr_tools.mk @@ -1,5 +1,5 @@ # -# Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved. +# Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved. # # SPDX-License-Identifier: BSD-3-Clause # @@ -23,6 +23,7 @@ # KEY_ALG # KEY_SIZE # ROT_KEY +# PROT_KEY # TRUSTED_WORLD_KEY # NON_TRUSTED_WORLD_KEY # SCP_BL2_KEY @@ -57,6 +58,7 @@ $(if ${HASH_ALG},$(eval $(call CERT_ADD_CMD_OPT,${HASH_ALG},--hash-alg))) $(if ${ROT_KEY},$(eval $(call CERT_ADD_CMD_OPT,${ROT_KEY},--rot-key))) $(if ${ROT_KEY},$(eval $(call CERT_ADD_CMD_OPT,${ROT_KEY},--rot-key,FWU_))) +$(if ${PROT_KEY},$(eval $(call CERT_ADD_CMD_OPT,${PROT_KEY},--prot-key))) $(if ${TRUSTED_WORLD_KEY},$(eval $(call CERT_ADD_CMD_OPT,${TRUSTED_WORLD_KEY},--trusted-world-key))) $(if ${NON_TRUSTED_WORLD_KEY},$(eval $(call CERT_ADD_CMD_OPT,${NON_TRUSTED_WORLD_KEY},--non-trusted-world-key))) @@ -93,5 +95,7 @@ ifneq (${BL33},) $(if ${BL33_KEY},$(eval $(call CERT_ADD_CMD_OPT,${BL33_KEY},--nt-fw-key))) $(eval $(call TOOL_ADD_PAYLOAD,${BUILD_PLAT}/nt_fw_content.crt,--nt-fw-cert)) +ifneq (${COT},dualroot) $(eval $(call TOOL_ADD_PAYLOAD,${BUILD_PLAT}/nt_fw_key.crt,--nt-fw-key-cert)) endif +endif diff --git a/tools/cert_create/Makefile b/tools/cert_create/Makefile index eff929e..19f736f 100644 --- a/tools/cert_create/Makefile +++ b/tools/cert_create/Makefile @@ -27,6 +27,8 @@ # Chain of trust. ifeq (${COT},tbbr) include src/tbbr/tbbr.mk +else ifeq (${COT},dualroot) + include src/dualroot/cot.mk else $(error Unknown chain of trust ${COT}) endif diff --git a/tools/cert_create/include/dualroot/cot.h b/tools/cert_create/include/dualroot/cot.h new file mode 100644 index 0000000..5701206 --- /dev/null +++ b/tools/cert_create/include/dualroot/cot.h @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2020, Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef DUALROOT_COT_H +#define DUALROOT_COT_H + +/* Certificates. */ +enum { + /* Certificates owned by the silicon provider. */ + TRUSTED_BOOT_FW_CERT, + TRUSTED_KEY_CERT, + SCP_FW_KEY_CERT, + SCP_FW_CONTENT_CERT, + SOC_FW_KEY_CERT, + SOC_FW_CONTENT_CERT, + TRUSTED_OS_FW_KEY_CERT, + TRUSTED_OS_FW_CONTENT_CERT, + FWU_CERT, + + /* Certificates owned by the platform owner. */ + NON_TRUSTED_FW_CONTENT_CERT, +}; + +/* Certificate extensions. */ +enum { + /* Extensions used in certificates owned by the silicon provider. */ + TRUSTED_FW_NVCOUNTER_EXT, + TRUSTED_BOOT_FW_HASH_EXT, + TRUSTED_BOOT_FW_CONFIG_HASH_EXT, + HW_CONFIG_HASH_EXT, + TRUSTED_WORLD_PK_EXT, + SCP_FW_CONTENT_CERT_PK_EXT, + SCP_FW_HASH_EXT, + SOC_FW_CONTENT_CERT_PK_EXT, + SOC_AP_FW_HASH_EXT, + SOC_FW_CONFIG_HASH_EXT, + TRUSTED_OS_FW_CONTENT_CERT_PK_EXT, + TRUSTED_OS_FW_HASH_EXT, + TRUSTED_OS_FW_EXTRA1_HASH_EXT, + TRUSTED_OS_FW_EXTRA2_HASH_EXT, + TRUSTED_OS_FW_CONFIG_HASH_EXT, + SCP_FWU_CFG_HASH_EXT, + AP_FWU_CFG_HASH_EXT, + FWU_HASH_EXT, + + /* Extensions used in certificates owned by the platform owner. */ + PROT_PK_EXT, + NON_TRUSTED_FW_NVCOUNTER_EXT, + NON_TRUSTED_FW_CONTENT_CERT_PK_EXT, + NON_TRUSTED_WORLD_BOOTLOADER_HASH_EXT, + NON_TRUSTED_FW_CONFIG_HASH_EXT, +}; + +/* Keys. */ +enum { + /* Keys owned by the silicon provider. */ + ROT_KEY, + TRUSTED_WORLD_KEY, + SCP_FW_CONTENT_CERT_KEY, + SOC_FW_CONTENT_CERT_KEY, + TRUSTED_OS_FW_CONTENT_CERT_KEY, + + /* Keys owned by the platform owner. */ + PROT_KEY, +}; + +#endif /* DUALROOT_COT_H */ diff --git a/tools/cert_create/src/dualroot/cot.c b/tools/cert_create/src/dualroot/cot.c new file mode 100644 index 0000000..8117ffc --- /dev/null +++ b/tools/cert_create/src/dualroot/cot.c @@ -0,0 +1,453 @@ +/* + * Copyright (c) 2020, Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include + +#include "cert.h" +#include "ext.h" +#include "key.h" + +#include "dualroot/cot.h" + +/* + * Certificates used in the chain of trust. + * + * All certificates are self-signed so the issuer certificate field points to + * itself. + */ +static cert_t cot_certs[] = { + [TRUSTED_BOOT_FW_CERT] = { + .id = TRUSTED_BOOT_FW_CERT, + .opt = "tb-fw-cert", + .help_msg = "Trusted Boot FW Certificate (output file)", + .cn = "Trusted Boot FW Certificate", + .key = ROT_KEY, + .issuer = TRUSTED_BOOT_FW_CERT, + .ext = { + TRUSTED_FW_NVCOUNTER_EXT, + TRUSTED_BOOT_FW_HASH_EXT, + TRUSTED_BOOT_FW_CONFIG_HASH_EXT, + HW_CONFIG_HASH_EXT + }, + .num_ext = 4 + }, + + [TRUSTED_KEY_CERT] = { + .id = TRUSTED_KEY_CERT, + .opt = "trusted-key-cert", + .help_msg = "Trusted Key Certificate (output file)", + .cn = "Trusted Key Certificate", + .key = ROT_KEY, + .issuer = TRUSTED_KEY_CERT, + .ext = { + TRUSTED_FW_NVCOUNTER_EXT, + TRUSTED_WORLD_PK_EXT, + }, + .num_ext = 2 + }, + + [SCP_FW_KEY_CERT] = { + .id = SCP_FW_KEY_CERT, + .opt = "scp-fw-key-cert", + .help_msg = "SCP Firmware Key Certificate (output file)", + .cn = "SCP Firmware Key Certificate", + .key = TRUSTED_WORLD_KEY, + .issuer = SCP_FW_KEY_CERT, + .ext = { + TRUSTED_FW_NVCOUNTER_EXT, + SCP_FW_CONTENT_CERT_PK_EXT + }, + .num_ext = 2 + }, + + [SCP_FW_CONTENT_CERT] = { + .id = SCP_FW_CONTENT_CERT, + .opt = "scp-fw-cert", + .help_msg = "SCP Firmware Content Certificate (output file)", + .cn = "SCP Firmware Content Certificate", + .key = SCP_FW_CONTENT_CERT_KEY, + .issuer = SCP_FW_CONTENT_CERT, + .ext = { + TRUSTED_FW_NVCOUNTER_EXT, + SCP_FW_HASH_EXT + }, + .num_ext = 2 + }, + + [SOC_FW_KEY_CERT] = { + .id = SOC_FW_KEY_CERT, + .opt = "soc-fw-key-cert", + .help_msg = "SoC Firmware Key Certificate (output file)", + .cn = "SoC Firmware Key Certificate", + .key = TRUSTED_WORLD_KEY, + .issuer = SOC_FW_KEY_CERT, + .ext = { + TRUSTED_FW_NVCOUNTER_EXT, + SOC_FW_CONTENT_CERT_PK_EXT + }, + .num_ext = 2 + }, + + [SOC_FW_CONTENT_CERT] = { + .id = SOC_FW_CONTENT_CERT, + .opt = "soc-fw-cert", + .help_msg = "SoC Firmware Content Certificate (output file)", + .cn = "SoC Firmware Content Certificate", + .key = SOC_FW_CONTENT_CERT_KEY, + .issuer = SOC_FW_CONTENT_CERT, + .ext = { + TRUSTED_FW_NVCOUNTER_EXT, + SOC_AP_FW_HASH_EXT, + SOC_FW_CONFIG_HASH_EXT, + }, + .num_ext = 3 + }, + + [TRUSTED_OS_FW_KEY_CERT] = { + .id = TRUSTED_OS_FW_KEY_CERT, + .opt = "tos-fw-key-cert", + .help_msg = "Trusted OS Firmware Key Certificate (output file)", + .cn = "Trusted OS Firmware Key Certificate", + .key = TRUSTED_WORLD_KEY, + .issuer = TRUSTED_OS_FW_KEY_CERT, + .ext = { + TRUSTED_FW_NVCOUNTER_EXT, + TRUSTED_OS_FW_CONTENT_CERT_PK_EXT + }, + .num_ext = 2 + }, + + [TRUSTED_OS_FW_CONTENT_CERT] = { + .id = TRUSTED_OS_FW_CONTENT_CERT, + .opt = "tos-fw-cert", + .help_msg = "Trusted OS Firmware Content Certificate (output file)", + .cn = "Trusted OS Firmware Content Certificate", + .key = TRUSTED_OS_FW_CONTENT_CERT_KEY, + .issuer = TRUSTED_OS_FW_CONTENT_CERT, + .ext = { + TRUSTED_FW_NVCOUNTER_EXT, + TRUSTED_OS_FW_HASH_EXT, + TRUSTED_OS_FW_EXTRA1_HASH_EXT, + TRUSTED_OS_FW_EXTRA2_HASH_EXT, + TRUSTED_OS_FW_CONFIG_HASH_EXT, + }, + .num_ext = 5 + }, + + [FWU_CERT] = { + .id = FWU_CERT, + .opt = "fwu-cert", + .help_msg = "Firmware Update Certificate (output file)", + .cn = "Firmware Update Certificate", + .key = ROT_KEY, + .issuer = FWU_CERT, + .ext = { + SCP_FWU_CFG_HASH_EXT, + AP_FWU_CFG_HASH_EXT, + FWU_HASH_EXT + }, + .num_ext = 3 + }, + + [NON_TRUSTED_FW_CONTENT_CERT] = { + .id = NON_TRUSTED_FW_CONTENT_CERT, + .opt = "nt-fw-cert", + .help_msg = "Non-Trusted Firmware Content Certificate (output file)", + .cn = "Non-Trusted Firmware Content Certificate", + .key = PROT_KEY, + .issuer = NON_TRUSTED_FW_CONTENT_CERT, + .ext = { + NON_TRUSTED_FW_NVCOUNTER_EXT, + NON_TRUSTED_WORLD_BOOTLOADER_HASH_EXT, + NON_TRUSTED_FW_CONFIG_HASH_EXT, + PROT_PK_EXT, + }, + .num_ext = 4 + }, +}; + +REGISTER_COT(cot_certs); + + +/* Certificate extensions. */ +static ext_t cot_ext[] = { + [TRUSTED_FW_NVCOUNTER_EXT] = { + .oid = TRUSTED_FW_NVCOUNTER_OID, + .opt = "tfw-nvctr", + .help_msg = "Trusted Firmware Non-Volatile counter value", + .sn = "TrustedWorldNVCounter", + .ln = "Trusted World Non-Volatile counter", + .asn1_type = V_ASN1_INTEGER, + .type = EXT_TYPE_NVCOUNTER, + .attr.nvctr_type = NVCTR_TYPE_TFW + }, + + [TRUSTED_BOOT_FW_HASH_EXT] = { + .oid = TRUSTED_BOOT_FW_HASH_OID, + .opt = "tb-fw", + .help_msg = "Trusted Boot Firmware image file", + .sn = "TrustedBootFirmwareHash", + .ln = "Trusted Boot Firmware hash (SHA256)", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_HASH + }, + + [TRUSTED_BOOT_FW_CONFIG_HASH_EXT] = { + .oid = TRUSTED_BOOT_FW_CONFIG_HASH_OID, + .opt = "tb-fw-config", + .help_msg = "Trusted Boot Firmware Config file", + .sn = "TrustedBootFirmwareConfigHash", + .ln = "Trusted Boot Firmware Config hash", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_HASH, + .optional = 1 + }, + + [HW_CONFIG_HASH_EXT] = { + .oid = HW_CONFIG_HASH_OID, + .opt = "hw-config", + .help_msg = "HW Config file", + .sn = "HWConfigHash", + .ln = "HW Config hash", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_HASH, + .optional = 1 + }, + + [TRUSTED_WORLD_PK_EXT] = { + .oid = TRUSTED_WORLD_PK_OID, + .sn = "TrustedWorldPublicKey", + .ln = "Trusted World Public Key", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_PKEY, + .attr.key = TRUSTED_WORLD_KEY + }, + + [SCP_FW_CONTENT_CERT_PK_EXT] = { + .oid = SCP_FW_CONTENT_CERT_PK_OID, + .sn = "SCPFirmwareContentCertPK", + .ln = "SCP Firmware content certificate public key", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_PKEY, + .attr.key = SCP_FW_CONTENT_CERT_KEY + }, + + [SCP_FW_HASH_EXT] = { + .oid = SCP_FW_HASH_OID, + .opt = "scp-fw", + .help_msg = "SCP Firmware image file", + .sn = "SCPFirmwareHash", + .ln = "SCP Firmware hash (SHA256)", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_HASH + }, + + [SOC_FW_CONTENT_CERT_PK_EXT] = { + .oid = SOC_FW_CONTENT_CERT_PK_OID, + .sn = "SoCFirmwareContentCertPK", + .ln = "SoC Firmware content certificate public key", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_PKEY, + .attr.key = SOC_FW_CONTENT_CERT_KEY + }, + + [SOC_AP_FW_HASH_EXT] = { + .oid = SOC_AP_FW_HASH_OID, + .opt = "soc-fw", + .help_msg = "SoC AP Firmware image file", + .sn = "SoCAPFirmwareHash", + .ln = "SoC AP Firmware hash (SHA256)", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_HASH + }, + + [SOC_FW_CONFIG_HASH_EXT] = { + .oid = SOC_FW_CONFIG_HASH_OID, + .opt = "soc-fw-config", + .help_msg = "SoC Firmware Config file", + .sn = "SocFirmwareConfigHash", + .ln = "SoC Firmware Config hash", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_HASH, + .optional = 1 + }, + + [TRUSTED_OS_FW_CONTENT_CERT_PK_EXT] = { + .oid = TRUSTED_OS_FW_CONTENT_CERT_PK_OID, + .sn = "TrustedOSFirmwareContentCertPK", + .ln = "Trusted OS Firmware content certificate public key", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_PKEY, + .attr.key = TRUSTED_OS_FW_CONTENT_CERT_KEY + }, + + [TRUSTED_OS_FW_HASH_EXT] = { + .oid = TRUSTED_OS_FW_HASH_OID, + .opt = "tos-fw", + .help_msg = "Trusted OS image file", + .sn = "TrustedOSHash", + .ln = "Trusted OS hash (SHA256)", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_HASH + }, + + [TRUSTED_OS_FW_EXTRA1_HASH_EXT] = { + .oid = TRUSTED_OS_FW_EXTRA1_HASH_OID, + .opt = "tos-fw-extra1", + .help_msg = "Trusted OS Extra1 image file", + .sn = "TrustedOSExtra1Hash", + .ln = "Trusted OS Extra1 hash (SHA256)", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_HASH, + .optional = 1 + }, + + [TRUSTED_OS_FW_EXTRA2_HASH_EXT] = { + .oid = TRUSTED_OS_FW_EXTRA2_HASH_OID, + .opt = "tos-fw-extra2", + .help_msg = "Trusted OS Extra2 image file", + .sn = "TrustedOSExtra2Hash", + .ln = "Trusted OS Extra2 hash (SHA256)", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_HASH, + .optional = 1 + }, + + [TRUSTED_OS_FW_CONFIG_HASH_EXT] = { + .oid = TRUSTED_OS_FW_CONFIG_HASH_OID, + .opt = "tos-fw-config", + .help_msg = "Trusted OS Firmware Config file", + .sn = "TrustedOSFirmwareConfigHash", + .ln = "Trusted OS Firmware Config hash", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_HASH, + .optional = 1 + }, + + [SCP_FWU_CFG_HASH_EXT] = { + .oid = SCP_FWU_CFG_HASH_OID, + .opt = "scp-fwu-cfg", + .help_msg = "SCP Firmware Update Config image file", + .sn = "SCPFWUpdateConfig", + .ln = "SCP Firmware Update Config hash (SHA256)", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_HASH, + .optional = 1 + }, + + [AP_FWU_CFG_HASH_EXT] = { + .oid = AP_FWU_CFG_HASH_OID, + .opt = "ap-fwu-cfg", + .help_msg = "AP Firmware Update Config image file", + .sn = "APFWUpdateConfig", + .ln = "AP Firmware Update Config hash (SHA256)", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_HASH, + .optional = 1 + }, + + [FWU_HASH_EXT] = { + .oid = FWU_HASH_OID, + .opt = "fwu", + .help_msg = "Firmware Updater image file", + .sn = "FWUpdaterHash", + .ln = "Firmware Updater hash (SHA256)", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_HASH, + .optional = 1 + }, + + [PROT_PK_EXT] = { + .oid = PROT_PK_OID, + .sn = "PlatformRoTKey", + .ln = "Platform Root of Trust Public Key", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_PKEY, + .attr.key = PROT_KEY + }, + + [NON_TRUSTED_FW_NVCOUNTER_EXT] = { + .oid = NON_TRUSTED_FW_NVCOUNTER_OID, + .opt = "ntfw-nvctr", + .help_msg = "Non-Trusted Firmware Non-Volatile counter value", + .sn = "NormalWorldNVCounter", + .ln = "Non-Trusted Firmware Non-Volatile counter", + .asn1_type = V_ASN1_INTEGER, + .type = EXT_TYPE_NVCOUNTER, + .attr.nvctr_type = NVCTR_TYPE_NTFW + }, + + [NON_TRUSTED_WORLD_BOOTLOADER_HASH_EXT] = { + .oid = NON_TRUSTED_WORLD_BOOTLOADER_HASH_OID, + .opt = "nt-fw", + .help_msg = "Non-Trusted World Bootloader image file", + .sn = "NonTrustedWorldBootloaderHash", + .ln = "Non-Trusted World hash (SHA256)", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_HASH + }, + + [NON_TRUSTED_FW_CONFIG_HASH_EXT] = { + .oid = NON_TRUSTED_FW_CONFIG_HASH_OID, + .opt = "nt-fw-config", + .help_msg = "Non Trusted OS Firmware Config file", + .sn = "NonTrustedOSFirmwareConfigHash", + .ln = "Non-Trusted OS Firmware Config hash", + .asn1_type = V_ASN1_OCTET_STRING, + .type = EXT_TYPE_HASH, + .optional = 1 + }, +}; + +REGISTER_EXTENSIONS(cot_ext); + + +/* Keys used to establish the chain of trust. */ +static key_t cot_keys[] = { + [ROT_KEY] = { + .id = ROT_KEY, + .opt = "rot-key", + .help_msg = "Root Of Trust key (input/output file)", + .desc = "Root Of Trust key" + }, + + [TRUSTED_WORLD_KEY] = { + .id = TRUSTED_WORLD_KEY, + .opt = "trusted-world-key", + .help_msg = "Trusted World key (input/output file)", + .desc = "Trusted World key" + }, + + [SCP_FW_CONTENT_CERT_KEY] = { + .id = SCP_FW_CONTENT_CERT_KEY, + .opt = "scp-fw-key", + .help_msg = "SCP Firmware Content Certificate key (input/output file)", + .desc = "SCP Firmware Content Certificate key" + }, + + [SOC_FW_CONTENT_CERT_KEY] = { + .id = SOC_FW_CONTENT_CERT_KEY, + .opt = "soc-fw-key", + .help_msg = "SoC Firmware Content Certificate key (input/output file)", + .desc = "SoC Firmware Content Certificate key" + }, + + [TRUSTED_OS_FW_CONTENT_CERT_KEY] = { + .id = TRUSTED_OS_FW_CONTENT_CERT_KEY, + .opt = "tos-fw-key", + .help_msg = "Trusted OS Firmware Content Certificate key (input/output file)", + .desc = "Trusted OS Firmware Content Certificate key" + }, + + [PROT_KEY] = { + .id = PROT_KEY, + .opt = "prot-key", + .help_msg = "Platform Root of Trust key", + .desc = "Platform Root of Trust key" + }, +}; + +REGISTER_KEYS(cot_keys); diff --git a/tools/cert_create/src/dualroot/cot.mk b/tools/cert_create/src/dualroot/cot.mk new file mode 100644 index 0000000..a572484 --- /dev/null +++ b/tools/cert_create/src/dualroot/cot.mk @@ -0,0 +1,10 @@ +# +# Copyright (c) 2020, Arm Limited. All rights reserved. +# +# SPDX-License-Identifier: BSD-3-Clause +# + +PLAT_MSG := Dual root of trust +PLAT_INCLUDE := ../../include/tools_share + +OBJECTS += src/dualroot/cot.o