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9441de4c38
This release is used in conjunction with the linux-sgx-driver Intial release: https://github.com/01org/linux-sgx-driver commit-id: 0e865ce5e6b297a787bcdc12d98bada8174be6d7 Intel-id: 33399 Signed-off-by: Angie Chinchilla <angie.v.chinchilla@intel.com>
97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
/*
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* Copyright (C) 2011-2016 Intel Corporation. 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
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef _ECP_H
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#define _ECP_H
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#include <stdint.h>
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#include <stdlib.h>
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#include "remote_attestation_result.h"
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#ifndef SAMPLE_FEBITSIZE
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#define SAMPLE_FEBITSIZE 256
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#endif
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#define SAMPLE_ECP_KEY_SIZE (SAMPLE_FEBITSIZE/8)
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typedef struct sample_ec_priv_t
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{
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uint8_t r[SAMPLE_ECP_KEY_SIZE];
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} sample_ec_priv_t;
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typedef struct sample_ec_dh_shared_t
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{
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uint8_t s[SAMPLE_ECP_KEY_SIZE];
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}sample_ec_dh_shared_t;
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typedef uint8_t sample_ec_key_128bit_t[16];
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#define SAMPLE_EC_MAC_SIZE 16
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _ERRNO_T_DEFINED
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#define _ERRNO_T_DEFINED
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typedef int errno_t;
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#endif
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errno_t memcpy_s(void *dest, size_t numberOfElements, const void *src,
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size_t count);
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typedef enum _sample_derive_key_type_t
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{
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SAMPLE_DERIVE_KEY_SMK = 0,
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SAMPLE_DERIVE_KEY_SK,
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SAMPLE_DERIVE_KEY_MK,
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SAMPLE_DERIVE_KEY_VK,
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} sample_derive_key_type_t;
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bool derive_key(
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const sample_ec_dh_shared_t *p_shared_key,
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uint8_t key_id,
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sample_ec_key_128bit_t *derived_key);
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bool verify_cmac128(
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sample_ec_key_128bit_t mac_key,
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const uint8_t *p_data_buf,
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uint32_t buf_size,
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const uint8_t *p_mac_buf);
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#ifdef __cplusplus
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}
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#endif
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#endif
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