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Merge changes from topic "sb/dualroot" into integration 

* changes:
  Build system: Changes to drive cert_create for dualroot CoT
  cert_create: Define the dualroot CoT
  Introduce a new "dualroot" chain of trust
This commit is contained in:
Sandrine Bailleux 2020-03-10 13:47:47 +00:00 committed by TrustedFirmware Code Review
parent 65012c0892 53b985a0d1
commit e31026776b
7 changed files with 1373 additions and 1 deletions
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814
drivers/auth/dualroot/cot.c Normal file
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/*
* Copyright (c) 2020, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stddef.h>
#include <platform_def.h>
#include <drivers/auth/mbedtls/mbedtls_config.h>
#include <drivers/auth/auth_mod.h>
#include <tools_share/dualroot_oid.h>
/*
* 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);

19
include/tools_share/dualroot_oid.h Normal file
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@ -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 */

6
make_helpers/tbbr/tbbr_tools.mk
View File

@ -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 ${KEY_SIZE},$(eval $(call CERT_ADD_CMD_OPT,${KEY_SIZE},--key-size)))
$(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 @@ endif
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

2
tools/cert_create/Makefile
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@ -27,6 +27,8 @@ OBJECTS := src/cert.o \
# 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

70
tools/cert_create/include/dualroot/cot.h Normal file
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@ -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 */

453
tools/cert_create/src/dualroot/cot.c Normal file
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@ -0,0 +1,453 @@
/*
* Copyright (c) 2020, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <dualroot_oid.h>
#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);

10
tools/cert_create/src/dualroot/cot.mk Normal file
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@ -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