Decryptor/App/protobufLAInitiator.cpp

#include "../Decryptor/Decryptor_u.h"
#include "sgx_eid.h"
#include "sgx_urts.h"
#define __STDC_FORMAT_MACROS
#include <inttypes.h>
#include "ProtobufLAMessages.pb.h"
#include "protobufSgxLATransformsInitiator.h"
#include <stdio.h>

int generate_protobuf_dh_msg1(uint32_t own_enclave_id, protobuf_sgx_dh_msg1_t& protobuf_msg1, uint32_t* session_id)
{
  sgx_dh_msg1_t dh_msg1;            //Diffie-Hellman Message 1
  memset(&dh_msg1, 0, sizeof(sgx_dh_msg1_t));
  uint32_t ret_status;
  Decryptor_session_request_wrapper(own_enclave_id, &ret_status, &dh_msg1, session_id); // TODO: Check Return status
  if(ret_status != SGX_SUCCESS)
    return 0xffffffff;

  encode_msg1_to_protobuf(protobuf_msg1, &dh_msg1);
  printf("Generated the following Msg1: ------------- \n"); fflush(stdout); 
  print_initialized_msg1(protobuf_msg1, &dh_msg1);
  return 0;
}

int process_protobuf_dh_msg2_generate_protobuf_dh_msg3(uint32_t own_enclave_id, protobuf_sgx_dh_msg2_t& protobuf_msg2, protobuf_sgx_dh_msg3_t& protobuf_msg3, uint32_t* session_id)
{
  uint32_t ret_status;
  sgx_dh_msg2_t dh_msg2;            //Diffie-Hellman Message 2
  sgx_dh_msg3_t dh_msg3;            //Diffie-Hellman Message 3
  sgx_key_128bit_t dh_aek;        // Session Key
  memset(&dh_aek,0, sizeof(sgx_key_128bit_t));
  memset(&dh_msg2, 0, sizeof(sgx_dh_msg2_t));
  memset(&dh_msg3, 0, sizeof(sgx_dh_msg3_t));

  if(decode_msg2_from_protobuf(protobuf_msg2, &dh_msg2)!=0)
    return -1;

  // process msg2 and generate msg3
  Decryptor_exchange_report_wrapper(own_enclave_id, &ret_status, &dh_msg2, &dh_msg3, session_id);
  if(ret_status!=SGX_SUCCESS)
    return 0x35;

  // convert msg3 sgx_dh_msg3_t object to a protobuf msg3 object.
  encode_msg3_to_protobuf(protobuf_msg3, &dh_msg3);
  return 0;
}