1 /* 2 * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef AUTH_MOD_H 8 #define AUTH_MOD_H 9 10 #if TRUSTED_BOARD_BOOT 11 12 #include <common/tbbr/cot_def.h> 13 #include <common/tbbr/tbbr_img_def.h> 14 #include <drivers/auth/auth_common.h> 15 #include <drivers/auth/img_parser_mod.h> 16 17 /* 18 * Image flags 19 */ 20 #define IMG_FLAG_AUTHENTICATED (1 << 0) 21 22 23 /* 24 * Authentication image descriptor 25 */ 26 typedef struct auth_img_desc_s { 27 unsigned int img_id; 28 img_type_t img_type; 29 const struct auth_img_desc_s *parent; 30 auth_method_desc_t img_auth_methods[AUTH_METHOD_NUM]; 31 auth_param_desc_t authenticated_data[COT_MAX_VERIFIED_PARAMS]; 32 } auth_img_desc_t; 33 34 /* Public functions */ 35 void auth_mod_init(void); 36 int auth_mod_get_parent_id(unsigned int img_id, unsigned int *parent_id); 37 int auth_mod_verify_img(unsigned int img_id, 38 void *img_ptr, 39 unsigned int img_len); 40 41 /* Macro to register a CoT defined as an array of auth_img_desc_t */ 42 #define REGISTER_COT(_cot) \ 43 const auth_img_desc_t *const cot_desc_ptr = \ 44 (const auth_img_desc_t *const)&_cot[0]; \ 45 unsigned int auth_img_flags[MAX_NUMBER_IDS] 46 47 extern const auth_img_desc_t *const cot_desc_ptr; 48 extern unsigned int auth_img_flags[MAX_NUMBER_IDS]; 49 50 #endif /* TRUSTED_BOARD_BOOT */ 51 52 #endif /* AUTH_MOD_H */ 53