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73 lines
2.5 KiB
73 lines
2.5 KiB
10 years ago
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/*
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* Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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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 <auth_common.h>
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#include <cot_def.h>
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#include <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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const struct auth_img_desc_s *parent;
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img_type_t img_type;
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auth_method_desc_t img_auth_methods[AUTH_METHOD_NUM];
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auth_param_desc_t authenticated_data[COT_MAX_VERIFIED_PARAMS];
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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 */
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#define REGISTER_COT(_cot) \
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const auth_img_desc_t *const cot_desc_ptr = \
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(const auth_img_desc_t *const)&_cot[0]; \
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unsigned int auth_img_flags[sizeof(_cot)/sizeof(_cot[0])];
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#endif /* TRUSTED_BOARD_BOOT */
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#endif /* __AUTH_MOD_H__ */
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