linux-sgx-trts-modified/SampleCode/LocalAttestation/Include/dh_session_protocol.h

/*
 * Copyright (C) 2011-2018 Intel Corporation. All rights reserved.
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#ifndef _DH_SESSION_PROROCOL_H
#define _DH_SESSION_PROROCOL_H

#include "sgx_ecp_types.h"
#include "sgx_key.h"
#include "sgx_report.h"
#include "sgx_attributes.h"

#define NONCE_SIZE         16
#define MAC_SIZE           16

#define MSG_BUF_LEN        sizeof(ec_pub_t)*2
#define MSG_HASH_SZ        32


//Session information structure
typedef struct _la_dh_session_t
{
    uint32_t  session_id; //Identifies the current session
    uint32_t  status; //Indicates session is in progress, active or closed
    union
    {
        struct
        {
			sgx_dh_session_t dh_session;
        }in_progress;

        struct
        {
            sgx_key_128bit_t AEK; //Session Key
            uint32_t counter; //Used to store Message Sequence Number
        }active;
    };
} dh_session_t;


#endif