Exemplos de Gen_encr_prod_from_bitvec em C++ (Cpp)

Exemplo n.º 1

Arquivo: bce.c Projeto: loiluu/weshare

void BroadcastKEM_using_bitvec(global_broadcast_params_t gbp,
			       broadcast_system_t sys, 
			       char *recip, ct_t myct, element_t key)
{

  Gen_encr_prod_from_bitvec(gbp, sys, recip);
  if(DEBUG && 0) {
    printf("bitvec product = ");
    element_out_str(stdout, 0, sys->encr_prod);
    printf("\n");
  }
  BroadcastKEM_using_product(gbp, sys, myct, key);
}

Exemplo n.º 2

Arquivo: bcejni.c Projeto: YingquanYuan/bce-suite

int BCESetup(byte *curve_file_name, int num_user, byte *sys_params_path, byte * global_params_path, byte *sys_priv_key_out)
{
    global_broadcast_params_t gbs;
    broadcast_system_t sys;
    //char recip[num_user / NUM_USER_DIVISOR];
    char *recip;
    element_t sys_priv_key;

    if (curve_file_name == NULL)
        return 1;
    if (num_user % NUM_USER_DIVISOR != 0)
        return 2;
    if (sys_params_path == NULL)
        return 3;
    if (global_params_path == NULL)
        return 4;
    if (sys_priv_key_out == NULL)
        return 5;

    Setup_global_broadcast_params(&gbs, num_user, (char *) curve_file_name);

    Gen_broadcast_system(gbs, &sys);

    recip = (char *) malloc(num_user / NUM_USER_DIVISOR);

    memset(recip, BIT_VECTOR_UNIT_VALUE, num_user / NUM_USER_DIVISOR);

    Gen_encr_prod_from_bitvec(gbs, sys, recip);

    StoreParams((char *) sys_params_path, gbs, sys);
    StoreGlobalParams((char *) global_params_path, gbs);

    element_init_Zr(sys_priv_key, gbs->pairing);

    element_set(sys_priv_key, sys->priv_key);

    element_to_bytes(sys_priv_key_out, sys_priv_key);

    memset(recip, BIT_VECTOR_CLEAR_UNIT_VALUE, num_user / NUM_USER_DIVISOR);
    free(recip);
    element_random(sys_priv_key);
    element_clear(sys_priv_key);
    FreeBCS(sys);
    pbc_free(sys);
    FreeGBP(gbs);
    pbc_free(gbs);
    return 0;
}