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ccbf890e5e
This patch extends the 'cert_create' tool to support ECDSA keys
to sign the certificates. The '--key-alg' command line option
can be used to specify the key algorithm when invoking the tool.
Available options are:
* 'rsa': create RSA-2048 keys (default option)
* 'ecdsa': create ECDSA-SECP256R1 keys
The TF Makefile has been updated to allow the platform to specify
the key algorithm by declaring the 'KEY_ALG' variable in the
platform makefile.
The behaviour regarding key management has changed. After applying
this patch, the tool will try first to open the keys from disk. If
one key does not exist or no key is specified, and the command line
option to create keys has been specified, new keys will be created.
Otherwise an error will be generated and the tool will exit. This
way, the user may specify certain keys while the tool will create
the remaining ones. This feature is useful for testing purposes
and CI infrastructures.
The OpenSSL directory may be specified using the build option
'OPENSSL_DIR' when building the certificate generation tool.
Default is '/usr'.
Change-Id: I98bcc2bfab28dd7179f17f1177ea7a65698df4e7
73 lines
2.4 KiB
C
73 lines
2.4 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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KEY_ALG_ECDSA
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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 *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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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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#endif /* KEY_H_ */
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