diff options
Diffstat (limited to '')
| -rw-r--r-- | include/drivers/auth/auth_mod.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/include/drivers/auth/auth_mod.h b/include/drivers/auth/auth_mod.h new file mode 100644 index 0000000..94537f6 --- /dev/null +++ b/include/drivers/auth/auth_mod.h @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2015-2022, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef AUTH_MOD_H +#define AUTH_MOD_H + +#include <common/tbbr/cot_def.h> +#include <common/tbbr/tbbr_img_def.h> +#include <drivers/auth/auth_common.h> +#include <drivers/auth/img_parser_mod.h> + +#include <lib/utils_def.h> + +/* + * Image flags + */ +#define IMG_FLAG_AUTHENTICATED (1 << 0) + +#if COT_DESC_IN_DTB && !IMAGE_BL1 +/* + * Authentication image descriptor + */ +typedef struct auth_img_desc_s { + unsigned int img_id; + img_type_t img_type; + const struct auth_img_desc_s *parent; + auth_method_desc_t *img_auth_methods; + auth_param_desc_t *authenticated_data; +} auth_img_desc_t; +#else +/* + * Authentication image descriptor + */ +typedef struct auth_img_desc_s { + unsigned int img_id; + img_type_t img_type; + const struct auth_img_desc_s *parent; + const auth_method_desc_t *const img_auth_methods; + const auth_param_desc_t *const authenticated_data; +} auth_img_desc_t; +#endif /* COT_DESC_IN_DTB && !IMAGE_BL1 */ + +/* Public functions */ +#if TRUSTED_BOARD_BOOT +void auth_mod_init(void); +#else +static inline void auth_mod_init(void) +{ +} +#endif /* TRUSTED_BOARD_BOOT */ +int auth_mod_get_parent_id(unsigned int img_id, unsigned int *parent_id); +int auth_mod_verify_img(unsigned int img_id, + void *img_ptr, + unsigned int img_len); + +/* Macro to register a CoT defined as an array of auth_img_desc_t pointers */ +#define REGISTER_COT(_cot) \ + const auth_img_desc_t *const *const cot_desc_ptr = (_cot); \ + const size_t cot_desc_size = ARRAY_SIZE(_cot); \ + unsigned int auth_img_flags[MAX_NUMBER_IDS] + +extern const auth_img_desc_t *const *const cot_desc_ptr; +extern const size_t cot_desc_size; +extern unsigned int auth_img_flags[MAX_NUMBER_IDS]; + +#if defined(SPD_spmd) + +#define DEFINE_SIP_SP_PKG(n) DEFINE_SP_PKG(n, sip_sp_content_cert) +#define DEFINE_PLAT_SP_PKG(n) DEFINE_SP_PKG(n, plat_sp_content_cert) + +#define DEFINE_SP_PKG(n, cert) \ + static const auth_img_desc_t sp_pkg##n = { \ + .img_id = SP_PKG##n##_ID, \ + .img_type = IMG_RAW, \ + .parent = &cert, \ + .img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) { \ + [0] = { \ + .type = AUTH_METHOD_HASH, \ + .param.hash = { \ + .data = &raw_data, \ + .hash = &sp_pkg##n##_hash \ + } \ + } \ + } \ + } + +#endif + +#endif /* AUTH_MOD_H */ |