Paul Zinselmeyer
ba8e969470
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105 lines
3.8 KiB
C
105 lines
3.8 KiB
C
/*
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* Copyright (C) 2011-2018 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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#include "sgx_report.h"
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#include "sgx_eid.h"
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#include "sgx_ecp_types.h"
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#include "sgx_dh.h"
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#include "sgx_tseal.h"
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#ifndef DATATYPES_H_
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#define DATATYPES_H_
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#define DH_KEY_SIZE 20
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#define NONCE_SIZE 16
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#define MAC_SIZE 16
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#define MAC_KEY_SIZE 16
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#define PADDING_SIZE 16
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#define TAG_SIZE 16
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#define IV_SIZE 12
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#define DERIVE_MAC_KEY 0x0
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#define DERIVE_SESSION_KEY 0x1
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#define DERIVE_VK1_KEY 0x3
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#define DERIVE_VK2_KEY 0x4
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#define CLOSED 0x0
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#define IN_PROGRESS 0x1
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#define ACTIVE 0x2
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#define MESSAGE_EXCHANGE 0x0
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#define ENCLAVE_TO_ENCLAVE_CALL 0x1
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#define INVALID_ARGUMENT -2 ///< Invalid function argument
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#define LOGIC_ERROR -3 ///< Functional logic error
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#define FILE_NOT_FOUND -4 ///< File not found
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#define SAFE_FREE(ptr) {if (NULL != (ptr)) {free(ptr); (ptr)=NULL;}}
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#define VMC_ATTRIBUTE_MASK 0xFFFFFFFFFFFFFFCB
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typedef uint8_t dh_nonce[NONCE_SIZE];
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typedef uint8_t cmac_128[MAC_SIZE];
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#pragma pack(push, 1)
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//Format of the AES-GCM message being exchanged between the source and the destination enclaves
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typedef struct _secure_message_t
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{
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uint32_t session_id; //Session ID identifyting the session to which the message belongs
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sgx_aes_gcm_data_t message_aes_gcm_data;
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}secure_message_t;
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//Format of the input function parameter structure
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typedef struct _ms_in_msg_exchange_t {
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uint32_t msg_type; //Type of Call E2E or general message exchange
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uint32_t target_fn_id; //Function Id to be called in Destination. Is valid only when msg_type=ENCLAVE_TO_ENCLAVE_CALL
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uint32_t inparam_buff_len; //Length of the serialized input parameters
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char inparam_buff[]; //Serialized input parameters
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} ms_in_msg_exchange_t;
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//Format of the return value and output function parameter structure
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typedef struct _ms_out_msg_exchange_t {
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uint32_t retval_len; //Length of the return value
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uint32_t ret_outparam_buff_len; //Length of the serialized return value and output parameters
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char ret_outparam_buff[]; //Serialized return value and output parameters
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} ms_out_msg_exchange_t;
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//Session Tracker to generate session ids
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typedef struct _session_id_tracker_t
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{
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uint32_t session_id;
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}session_id_tracker_t;
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#pragma pack(pop)
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#endif
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