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2efb7ddc3b
The chain of trust description and the pointer pointing to its first
element were incompatible, thus requiring an explicit type cast for
the assignment.
- cot_desc was an array of
const pointers to const image descriptors.
- cot_desc_ptr was a const pointer to
(non-constant) pointers to const image descriptors.
Thus, trying to assign cot_desc to cot_desc_ptr (with no cast) would
generate the following compiler warning:
drivers/auth/tbbr/tbbr_cot.c:826:14: warning: initialization discards
‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
REGISTER_COT(cot_desc);
^~~~~~~~
Change-Id: Iae62dd1bdb43fe379e3843d96461d47cc2f68a06
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/*
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* Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef AUTH_MOD_H
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#define AUTH_MOD_H
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#if TRUSTED_BOARD_BOOT
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#include <common/tbbr/cot_def.h>
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#include <common/tbbr/tbbr_img_def.h>
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#include <drivers/auth/auth_common.h>
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#include <drivers/auth/img_parser_mod.h>
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/*
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* Image flags
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*/
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#define IMG_FLAG_AUTHENTICATED (1 << 0)
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/*
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* Authentication image descriptor
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*/
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typedef struct auth_img_desc_s {
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unsigned int img_id;
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img_type_t img_type;
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const struct auth_img_desc_s *parent;
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const auth_method_desc_t *const img_auth_methods;
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const auth_param_desc_t *const authenticated_data;
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} auth_img_desc_t;
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/* Public functions */
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void auth_mod_init(void);
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int auth_mod_get_parent_id(unsigned int img_id, unsigned int *parent_id);
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int auth_mod_verify_img(unsigned int img_id,
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void *img_ptr,
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unsigned int img_len);
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/* Macro to register a CoT defined as an array of auth_img_desc_t pointers */
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#define REGISTER_COT(_cot) \
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const auth_img_desc_t *const *const cot_desc_ptr = (_cot); \
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unsigned int auth_img_flags[MAX_NUMBER_IDS]
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extern const auth_img_desc_t *const *const cot_desc_ptr;
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extern unsigned int auth_img_flags[MAX_NUMBER_IDS];
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#endif /* TRUSTED_BOARD_BOOT */
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#endif /* AUTH_MOD_H */
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