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ad2c1a9aa7
This patch introduces a new API that allows to specify command line options in the Chain of Trust description. These command line options may be used to specify parameters related to the CoT (i.e. keys or certificates), instead of keeping a hardcoded list of options in main.c. Change-Id: I282b0b01cb9add557b26bddc238a28253ce05e44
89 lines
2.8 KiB
C
89 lines
2.8 KiB
C
/*
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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 KEY_H_
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#define KEY_H_
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#include <openssl/ossl_typ.h>
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#define RSA_KEY_BITS 2048
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/* Error codes */
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enum {
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KEY_ERR_NONE,
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KEY_ERR_MALLOC,
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KEY_ERR_FILENAME,
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KEY_ERR_OPEN,
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KEY_ERR_LOAD
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};
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/* Supported key algorithms */
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enum {
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KEY_ALG_RSA,
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#ifndef OPENSSL_NO_EC
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KEY_ALG_ECDSA,
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#endif /* OPENSSL_NO_EC */
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KEY_ALG_MAX_NUM
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};
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/*
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* This structure contains the relevant information to create the keys
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* required to sign the certificates.
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*
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* One instance of this structure must be created for each key, usually in an
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* array fashion. The filename is obtained at run time from the command line
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* parameters
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*/
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typedef struct key_s {
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int id; /* Key id */
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const char *opt; /* Command line option to specify a key */
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const char *desc; /* Key description (debug purposes) */
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char *fn; /* Filename to load/store the key */
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EVP_PKEY *key; /* Key container */
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} key_t;
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/* Exported API */
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int key_init(void);
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key_t *key_get_by_opt(const char *opt);
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int key_create(key_t *key, int type);
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int key_load(key_t *key, unsigned int *err_code);
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int key_store(key_t *key);
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/* Macro to register the keys used in the CoT */
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#define REGISTER_KEYS(_keys) \
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key_t *keys = &_keys[0]; \
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const unsigned int num_keys = sizeof(_keys)/sizeof(_keys[0]);
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/* Exported variables */
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extern key_t *keys;
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extern const unsigned int num_keys;
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#endif /* KEY_H_ */
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