Exemplo n.º 1
0
QVariant
RootsModel::data(const QModelIndex &index, int role) const
{
    int i = index.row();

    if (role != Qt::DisplayRole && role < Qt::UserRole)
        return QVariant();

    if (i < 0 || i > length)
        return QVariant();
    else
    {
        rdpe_t root_module;
        mpc_rmod (root_module, m_roots.at(i)->value);
        int digits = (rdpe_Esp (root_module) - rdpe_Esp (m_roots.at(i)->radius)) / LOG2_10;
        char * buffer = NULL;

        switch (role)
        {
            case SHORT_APPROXIMATION:
                digits = 4;
                // fallthrough
            case Qt::DisplayRole:
                buffer = new char[2 * digits + 15];
                if (m_roots[i]->get_imag_part() > 0)
                    gmp_sprintf (buffer, "%.*Ff + %.*Ffi", digits, mpc_Re (m_roots[i]->value),
                                 digits, mpc_Im (m_roots[i]->value));
                else
                    gmp_sprintf (buffer, "%.*Ff %.*Ffi", digits, mpc_Re (m_roots[i]->value),
                                 digits, mpc_Im (m_roots[i]->value));
                return QString(buffer);
                break;

            case STATUS:
                return QString(MPS_ROOT_STATUS_TO_STRING (m_roots[i]->status));

            case RADIUS:
                return QString("%1").arg(m_roots[i]->get_radius());

            case ROOT:
                return QVariant::fromValue((void*) m_roots[i]);

            default:
                qDebug() << "Invalid role";
                return QVariant();
        }
    }
}
Exemplo n.º 2
0
int main(int argc, char* argv[]) {
  uint32_t number = 100; /* Default */
  uint32_t i,sum;
  char     *str;
  mpz_t factorial;

  if(argc > 1 &&!strcmp(argv[1],"--help"))
    return print_help(argv[0]), EXIT_SUCCESS;
  if(argc > 1)
    sscanf(argv[1],"%u",&number);

  mpz_init(factorial);
  mpz_fac_ui(factorial,number);

  str = malloc((mpz_sizeinbase(factorial,10)+2) * sizeof *str);
  gmp_sprintf(str,"%Zd",factorial);

  for(i=sum=0; str[i]; ++i)
    sum += str[i] - ASCII_OFFSET;

  printf("%u\n",sum);
  free(str);
  mpz_clear(factorial);
  return EXIT_SUCCESS;
}
Exemplo n.º 3
0
void hash_payload(mpz_t hashed, mpz_t payload) {
  int i;

  char payload_str[strlen(DHE_PRIME)];  //not going to be hashing anything larger
  char hex_hash[HEX_HASH_STR_LEN];

  gmp_sprintf(payload_str, "%Zx", payload);
  memcpy(hex_hash, SHA256_hash(payload_str), HEX_HASH_STR_LEN);

  gmp_sscanf(hex_hash, "%Zx", hashed);
}
Exemplo n.º 4
0
/*----------------------------------------------------------------------------*/
int
SetNetEnv(char *dev_name_list, char *port_stat_list)
{
	int eidx = 0;
	int i, j;

	int set_all_inf = (strncmp(dev_name_list, ALL_STRING, sizeof(ALL_STRING))==0);

	TRACE_CONFIG("Loading interface setting\n");

	CONFIG.eths = (struct eth_table *)
			calloc(MAX_DEVICES, sizeof(struct eth_table));
	if (!CONFIG.eths) {
		TRACE_ERROR("Can't allocate space for CONFIG.eths\n");
		exit(EXIT_FAILURE);
	}

	if (current_iomodule_func == &ps_module_func) {
#ifndef DISABLE_PSIO
		struct ifreq ifr;		
		/* calculate num_devices now! */
		num_devices = ps_list_devices(devices);
		if (num_devices == -1) {
			perror("ps_list_devices");
			exit(EXIT_FAILURE);
		}

		/* Create socket */
		int sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
		if (sock == -1) {
			TRACE_ERROR("socket");
			exit(EXIT_FAILURE);
		}

		/* To Do: Parse dev_name_list rather than use strstr */
		for (i = 0; i < num_devices; i++) {
			strcpy(ifr.ifr_name, devices[i].name);

			/* getting interface information */
			if (ioctl(sock, SIOCGIFFLAGS, &ifr) == 0) {

				if (!set_all_inf && strstr(dev_name_list, ifr.ifr_name) == NULL)
					continue;

				/* Setting informations */
				eidx = CONFIG.eths_num++;
				strcpy(CONFIG.eths[eidx].dev_name, ifr.ifr_name);
				CONFIG.eths[eidx].ifindex = devices[i].ifindex;

				/* getting address */
				if (ioctl(sock, SIOCGIFADDR, &ifr) == 0 ) {
					struct in_addr sin = ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr;
					CONFIG.eths[eidx].ip_addr = *(uint32_t *)&sin;
				}

				if (ioctl(sock, SIOCGIFHWADDR, &ifr) == 0 ) {
					for (j = 0; j < ETH_ALEN; j ++) {
						CONFIG.eths[eidx].haddr[j] = ifr.ifr_addr.sa_data[j];
					}
				}

				/* Net MASK */
				if (ioctl(sock, SIOCGIFNETMASK, &ifr) == 0) {
					struct in_addr sin = ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr;
					CONFIG.eths[eidx].netmask = *(uint32_t *)&sin;
				}

				/* add to attached devices */
				for (j = 0; j < num_devices_attached; j++) {
					if (devices_attached[j] == devices[i].ifindex) {
						break;
					}
				}
				devices_attached[num_devices_attached] = devices[i].ifindex;
				num_devices_attached++;

			} else {
				perror("SIOCGIFFLAGS");
			}
		}
		num_queues = GetNumQueues();
		if (num_queues <= 0) {
			TRACE_CONFIG("Failed to find NIC queues!\n");
			close(sock);
			return -1;
		}
		if (num_queues > num_cpus) {
			TRACE_CONFIG("Too many NIC queues available.\n");
			close(sock);
			return -1;
		}
		close(sock);
#endif /* !PSIO_MODULE */
	} else if (current_iomodule_func == &dpdk_module_func) {
#ifndef DISABLE_DPDK
		int cpu = CONFIG.num_cores;
		mpz_t _cpumask;
		char cpumaskbuf[32] = "";
		char mem_channels[8] = "";
		char socket_mem_str[32] = "";
		// int i;
		int ret, socket_mem;
		static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];

		/* STEP 1: first determine CPU mask */
		mpz_init(_cpumask);

		if (!mpz_cmp(_cpumask, CONFIG._cpumask)) {
			/* get the cpu mask */
			for (ret = 0; ret < cpu; ret++)
				mpz_setbit(_cpumask, ret);
			
			gmp_sprintf(cpumaskbuf, "%ZX", _cpumask);
		} else
			gmp_sprintf(cpumaskbuf, "%ZX", CONFIG._cpumask);
		
		mpz_clear(_cpumask);

		/* STEP 2: determine memory channels per socket */
		/* get the mem channels per socket */
		if (CONFIG.num_mem_ch == 0) {
			TRACE_ERROR("DPDK module requires # of memory channels "
				    "per socket parameter!\n");
			exit(EXIT_FAILURE);
		}
		sprintf(mem_channels, "%d", CONFIG.num_mem_ch);

		/* STEP 3: determine socket memory */
		/* get socket memory threshold (in MB) */
		socket_mem = 
			RTE_ALIGN_CEIL((unsigned long)ceil((CONFIG.num_cores *
							    (CONFIG.rcvbuf_size +
							     CONFIG.sndbuf_size +
							     sizeof(struct tcp_stream) +
							     sizeof(struct tcp_recv_vars) +
							     sizeof(struct tcp_send_vars) +
							     sizeof(struct fragment_ctx)) *
							    CONFIG.max_concurrency)/RTE_SOCKET_MEM_SHIFT),
				       RTE_CACHE_LINE_SIZE);
		
		/* initialize the rte env, what a waste of implementation effort! */
		int argc = 6;//8;
		char *argv[RTE_ARGC_MAX] = {"",
					    "-c",
					    cpumaskbuf,
					    "-n",
					    mem_channels,
#if 0
					    "--socket-mem",
					    socket_mem_str,
#endif
					    "--proc-type=auto"
		};
		ret = probe_all_rte_devices(argv, &argc, dev_name_list);


		/* STEP 4: build up socket mem parameter */
		sprintf(socket_mem_str, "%d", socket_mem);
#if 0
		char *smsptr = socket_mem_str + strlen(socket_mem_str);
		for (i = 1; i < ret + 1; i++) {
			sprintf(smsptr, ",%d", socket_mem);
			smsptr += strlen(smsptr);
		}
		TRACE_DBG("socket_mem: %s\n", socket_mem_str);
#endif
		/*
		 * re-set getopt extern variable optind.
		 * this issue was a bitch to debug
		 * rte_eal_init() internally uses getopt() syscall
		 * mtcp applications that also use an `external' getopt
		 * will cause a violent crash if optind is not reset to zero
		 * prior to calling the func below...
		 * see man getopt(3) for more details
		 */
		optind = 0;

#ifdef DEBUG
		/* print argv's */
		for (i = 0; i < argc; i++)
			TRACE_INFO("argv[%d]: %s\n", i, argv[i]);
#endif
		/* initialize the dpdk eal env */
		ret = rte_eal_init(argc, argv);
		if (ret < 0) {
			TRACE_ERROR("Invalid EAL args!\n");
			exit(EXIT_FAILURE);
		}
		/* give me the count of 'detected' ethernet ports */
#if RTE_VERSION < RTE_VERSION_NUM(18, 5, 0, 0)
		num_devices = rte_eth_dev_count();
#else
		num_devices = rte_eth_dev_count_avail();
#endif
		if (num_devices == 0) {
			TRACE_ERROR("No Ethernet port!\n");
			exit(EXIT_FAILURE);
		}

		/* get mac addr entries of 'detected' dpdk ports */
		for (ret = 0; ret < num_devices; ret++)
			rte_eth_macaddr_get(ret, &ports_eth_addr[ret]);

		num_queues = MIN(CONFIG.num_cores, MAX_CPUS);

		struct ifaddrs *ifap;
		struct ifaddrs *iter_if;
		char *seek;

		if (getifaddrs(&ifap) != 0) {
			perror("getifaddrs: ");
			exit(EXIT_FAILURE);
		}

		iter_if = ifap;
		do {
			if (iter_if->ifa_addr && iter_if->ifa_addr->sa_family == AF_INET &&
			    !set_all_inf &&
			    (seek=strstr(dev_name_list, iter_if->ifa_name)) != NULL &&
			    /* check if the interface was not aliased */
			    *(seek + strlen(iter_if->ifa_name)) != ':') {
				struct ifreq ifr;

				/* Setting informations */
				eidx = CONFIG.eths_num++;
				strcpy(CONFIG.eths[eidx].dev_name, iter_if->ifa_name);
				strcpy(ifr.ifr_name, iter_if->ifa_name);

				/* Create socket */
				int sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
				if (sock == -1) {
					perror("socket");
					exit(EXIT_FAILURE);
				}

				/* getting address */
				if (ioctl(sock, SIOCGIFADDR, &ifr) == 0 ) {
					struct in_addr sin = ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr;
					CONFIG.eths[eidx].ip_addr = *(uint32_t *)&sin;
				}

				if (ioctl(sock, SIOCGIFHWADDR, &ifr) == 0 ) {
					for (j = 0; j < ETH_ALEN; j ++) {
						CONFIG.eths[eidx].haddr[j] = ifr.ifr_addr.sa_data[j];
					}
				}

				/* Net MASK */
				if (ioctl(sock, SIOCGIFNETMASK, &ifr) == 0) {
					struct in_addr sin = ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr;
					CONFIG.eths[eidx].netmask = *(uint32_t *)&sin;
				}
				close(sock);

				for (j = 0; j < num_devices; j++) {
					if (!memcmp(&CONFIG.eths[eidx].haddr[0], &ports_eth_addr[j],
						    ETH_ALEN))
						CONFIG.eths[eidx].ifindex = j;
				}

				/* add to attached devices */
				for (j = 0; j < num_devices_attached; j++) {
					if (devices_attached[j] == CONFIG.eths[eidx].ifindex) {
						break;
					}
				}
				devices_attached[num_devices_attached] = CONFIG.eths[eidx].ifindex;
				num_devices_attached++;
				fprintf(stderr, "Total number of attached devices: %d\n",
					num_devices_attached);
				fprintf(stderr, "Interface name: %s\n",
					iter_if->ifa_name);
			}
			iter_if = iter_if->ifa_next;
		} while (iter_if != NULL);

		freeifaddrs(ifap);
#if 0
		/*
		 * XXX: It seems that there is a bug in the RTE SDK.
		 * The dynamically allocated rte_argv params are left 
		 * as dangling pointers. Freeing them causes program
		 * to crash.
		 */
		
		/* free up all resources */
		for (; rte_argc >= 9; rte_argc--) {
			if (rte_argv[rte_argc] != NULL) {
				fprintf(stderr, "Cleaning up rte_argv[%d]: %s (%p)\n",
					rte_argc, rte_argv[rte_argc], rte_argv[rte_argc]);
				free(rte_argv[rte_argc]);
				rte_argv[rte_argc] = NULL;
			}
		}
#endif
		/* check if process is primary or secondary */
		CONFIG.multi_process_is_master = (eal_proc_type_detect() == RTE_PROC_PRIMARY) ?
			1 : 0;
		
#endif /* !DISABLE_DPDK */
	} else if (current_iomodule_func == &netmap_module_func) {
#ifndef DISABLE_NETMAP
		struct ifaddrs *ifap;
		struct ifaddrs *iter_if;
		char *seek;

		num_queues = MIN(CONFIG.num_cores, MAX_CPUS);

		if (getifaddrs(&ifap) != 0) {
			perror("getifaddrs: ");
			exit(EXIT_FAILURE);
		}

		iter_if = ifap;
		do {
			if (iter_if->ifa_addr && iter_if->ifa_addr->sa_family == AF_INET &&
			    !set_all_inf &&
			    (seek=strstr(dev_name_list, iter_if->ifa_name)) != NULL &&
			    /* check if the interface was not aliased */
			    *(seek + strlen(iter_if->ifa_name)) != ':') {
				struct ifreq ifr;

				/* Setting informations */
				eidx = CONFIG.eths_num++;
				strcpy(CONFIG.eths[eidx].dev_name, iter_if->ifa_name);
				strcpy(ifr.ifr_name, iter_if->ifa_name);

				/* Create socket */
				int sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
				if (sock == -1) {
					perror("socket");
					exit(EXIT_FAILURE);
				}

				/* getting address */
				if (ioctl(sock, SIOCGIFADDR, &ifr) == 0 ) {
					struct in_addr sin = ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr;
					CONFIG.eths[eidx].ip_addr = *(uint32_t *)&sin;
				}

				if (ioctl(sock, SIOCGIFHWADDR, &ifr) == 0 ) {
					for (j = 0; j < ETH_ALEN; j ++) {
						CONFIG.eths[eidx].haddr[j] = ifr.ifr_addr.sa_data[j];
					}
				}

				/* Net MASK */
				if (ioctl(sock, SIOCGIFNETMASK, &ifr) == 0) {
					struct in_addr sin = ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr;
					CONFIG.eths[eidx].netmask = *(uint32_t *)&sin;
				}
				close(sock);
#if 0
				for (j = 0; j < num_devices; j++) {
					if (!memcmp(&CONFIG.eths[eidx].haddr[0], &ports_eth_addr[j],
						    ETH_ALEN))
						CONFIG.eths[eidx].ifindex = ifr.ifr_ifindex;
#endif
				CONFIG.eths[eidx].ifindex = eidx;
				TRACE_INFO("Ifindex of interface %s is: %d\n",
					   ifr.ifr_name, CONFIG.eths[eidx].ifindex);
#if 0
				}
#endif

				/* add to attached devices */
				for (j = 0; j < num_devices_attached; j++) {
					if (devices_attached[j] == CONFIG.eths[eidx].ifindex) {
						break;
					}
				}
				devices_attached[num_devices_attached] = if_nametoindex(ifr.ifr_name);
				num_devices_attached++;
				fprintf(stderr, "Total number of attached devices: %d\n",
					num_devices_attached);
				fprintf(stderr, "Interface name: %s\n",
					iter_if->ifa_name);
			}
			iter_if = iter_if->ifa_next;
		} while (iter_if != NULL);

		freeifaddrs(ifap);
#endif /* !DISABLE_NETMAP */
	} else if (current_iomodule_func == &onvm_module_func) {
#ifdef ENABLE_ONVM
		int cpu = CONFIG.num_cores;
		mpz_t cpumask;
		char cpumaskbuf[32];
		char mem_channels[8];
		char service[6];
		char instance[6];
		int ret;

		mpz_init(cpumask);
		
		/* get the cpu mask */
		for (ret = 0; ret < cpu; ret++)
			mpz_setbit(cpumask, ret);
		gmp_sprintf(cpumaskbuf, "%ZX", cpumask);

		mpz_clear(cpumask);
				
		/* get the mem channels per socket */
		if (CONFIG.num_mem_ch == 0) {
			TRACE_ERROR("DPDK module requires # of memory channels "
				    "per socket parameter!\n");
			exit(EXIT_FAILURE);
		}
		sprintf(mem_channels, "%d", CONFIG.num_mem_ch);
		sprintf(service, "%d", CONFIG.onvm_serv);
		sprintf(instance, "%d", CONFIG.onvm_inst);

		/* initialize the rte env first, what a waste of implementation effort!  */
		char *argv[] = {"", 
				"-c", 
				cpumaskbuf,
				"-n", 
				mem_channels,
				"--proc-type=secondary",
				"--",
				"-r",
				service,
				instance,
				""
		};
		
		const int argc = 10; 

		/* 
		 * re-set getopt extern variable optind.
		 * this issue was a bitch to debug
		 * rte_eal_init() internally uses getopt() syscall
		 * mtcp applications that also use an `external' getopt
		 * will cause a violent crash if optind is not reset to zero
		 * prior to calling the func below...
		 * see man getopt(3) for more details
		 */
		optind = 0;

		/* initialize the dpdk eal env */
		ret = onvm_nflib_init(argc, argv, "mtcp_nf", &CONFIG.nf_info);
		if (ret < 0) {
			TRACE_ERROR("Invalid EAL args!\n");
			exit(EXIT_FAILURE);
		}
		/* give me the count of 'detected' ethernet ports */
		num_devices = ports->num_ports;
		if (num_devices == 0) {
			TRACE_ERROR("No Ethernet port!\n");
			exit(EXIT_FAILURE);
		}

		num_queues = MIN(CONFIG.num_cores, MAX_CPUS);
		
		struct ifaddrs *ifap;
		struct ifaddrs *iter_if;
		char *seek;

		if (getifaddrs(&ifap) != 0) {
			perror("getifaddrs: ");
			exit(EXIT_FAILURE);
		}
		
		iter_if = ifap;
		do {
			if (iter_if->ifa_addr && iter_if->ifa_addr->sa_family == AF_INET &&
			    !set_all_inf && 
			    (seek=strstr(dev_name_list, iter_if->ifa_name)) != NULL &&
			    /* check if the interface was not aliased */
			    *(seek + strlen(iter_if->ifa_name)) != ':') {
				struct ifreq ifr;
				
				/* Setting informations */
				eidx = CONFIG.eths_num++;
				strcpy(CONFIG.eths[eidx].dev_name, iter_if->ifa_name);
				strcpy(ifr.ifr_name, iter_if->ifa_name);

				/* Create socket */
				int sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
				if (sock == -1) {
					perror("socket");
				}			
				
				/* getting address */
				if (ioctl(sock, SIOCGIFADDR, &ifr) == 0 ) {
					struct in_addr sin = ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr;
					CONFIG.eths[eidx].ip_addr = *(uint32_t *)&sin;
				}

				for (j = 0; j < ETH_ALEN; j ++) {
					CONFIG.eths[eidx].haddr[j] = ports->mac[eidx].addr_bytes[j];
					};

				/* Net MASK */
				if (ioctl(sock, SIOCGIFNETMASK, &ifr) == 0) {
					struct in_addr sin = ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr;
					CONFIG.eths[eidx].netmask = *(uint32_t *)&sin;
				}
				close(sock);
				
				CONFIG.eths[eidx].ifindex = ports->id[eidx];		
				devices_attached[num_devices_attached] = CONFIG.eths[eidx].ifindex;
				num_devices_attached++;
				fprintf(stderr, "Total number of attached devices: %d\n",
					num_devices_attached);
				fprintf(stderr, "Interface name: %s\n", 
					iter_if->ifa_name);
			}
			iter_if = iter_if->ifa_next;
		} while (iter_if != NULL);

		freeifaddrs(ifap);
#endif /* ENABLE_ONVM */
	}

	CONFIG.nif_to_eidx = (int*)calloc(MAX_DEVICES, sizeof(int));

	if (!CONFIG.nif_to_eidx) {
	        exit(EXIT_FAILURE);
	}

	for (i = 0; i < MAX_DEVICES; ++i) {
	        CONFIG.nif_to_eidx[i] = -1;
	}

	for (i = 0; i < CONFIG.eths_num; ++i) {

		j = CONFIG.eths[i].ifindex;
		if (j >= MAX_DEVICES) {
		        TRACE_ERROR("ifindex of eths_%d exceed the limit: %d\n", i, j);
		        exit(EXIT_FAILURE);
		}

		/* the physic port index of the i-th port listed in the config file is j*/
		CONFIG.nif_to_eidx[j] = i;

		/* finally set the port stats option `on' */
		if (strcmp(CONFIG.eths[i].dev_name, port_stat_list) == 0)
			CONFIG.eths[i].stat_print = TRUE;
	}

	return 0;
}
Exemplo n.º 5
0
char *vio_uneval_val(vio_val *v) {
    char *out, **vout;
    uint32_t total;
    switch (v->what) {
    case vv_str:
        out = (char *)malloc(v->len + 3);
        if (out == NULL) goto die;
        out[0] = '"';
        strncpy(out + 1, v->s, v->len);
        out[v->len + 1] = '"';
        out[v->len + 2] = '\0';
        break;
    case vv_int:
        out = (char *)malloc(22); /* maximum digits of a vio_int type + sign + null terminator */
        if (out == NULL) goto die;
        snprintf(out, 22, "%ld", v->i32);
        break;
    case vv_float:
        out = (char *)malloc(20); /* 16 + dot + sign + e + null */
        if (out == NULL) goto die;
        snprintf(out, 20, "%gf", v->f32);
        break;
    case vv_num:
        out = (char *)malloc(gmp_snprintf(NULL, 0, "%Ff", v->n) + 1);
        if (out == NULL) goto die;
        gmp_sprintf(out, "%Ff", v->n);
        break;
    case vv_tagword:
        vout = (char **)malloc(v->vlen * sizeof(char *));
        total = 5 + v->len + v->vlen; /* also include space for tag name */
        for (uint32_t i = 0; i < v->vlen; ++i) {
            vout[i] = vio_uneval_val(v->vv[i]);
            total += strlen(vout[i]);
        }
        out = (char *)malloc(total);
        out[0] = '.';
        strncpy(out + 1, v->s, v->len);
        out[v->len + 1] = '{';
        out[v->len + 2] = ' ';
        out[v->len + 3] = '\0';
        for (uint32_t i = 0; i < v->vlen; ++i) {
            strcat(out, vout[i]);
            strcat(out, " ");
        }
        out[total-2] = '}';
        out[total-1] = '\0';
        break;
    case vv_vec:
        vout = (char **)malloc(v->vlen * sizeof(char *));
        total = 4 + v->vlen; /* spaces between each value */
        for (uint32_t i = 0; i < v->vlen; ++i) {
            vout[i] = vio_uneval_val(v->vv[i]);
            total += strlen(vout[i]);
        }
        out = (char *)malloc(total);
        out[0] = '{';
        out[1] = ' ';
        out[2] = '\0';
        for (uint32_t i = 0; i < v->vlen; ++i) {
            strcat(out, vout[i]);
            strcat(out, " ");
        }
        out[total-2] = '}';
        out[total-1] = '\0';
        break;
    default:
       out = (char *)malloc(40); /* arbitrary but should fit */
       snprintf(out, 40, "#<%s %p>", vio_val_type_name(v->what), (void *)v);
    }
    return out;

    die:
    fprintf(stderr, "vio_uneval() failed to allocate memory for output string. :(");
    exit(EX_OSERR);
}
Exemplo n.º 6
0
QDebug operator<<(QDebug s, const mpf_class& m) {
    char b[65536] = "";
    gmp_sprintf (b, "%.9Ff", m.get_mpf_t());
    s << b;
    return s;
}
Exemplo n.º 7
0
/* Recursive routine to prove via ECPP */
static int ecpp_down(int i, mpz_t Ni, int facstage, IV* dlist, mpz_t* sfacs, int* nsfacs, char** prooftextptr)
{
  mpz_t a, b, u, v, m, q, minfactor, sqrtn, mD, t, t2;
  mpz_t mlist[6];
  UV nm1a;
  IV np1lp, np1lq;
  struct ec_affine_point P;
  int k, dnum, nidigits, facresult, curveresult, downresult, stage, D;
  int verbose = get_verbose_level();

  nidigits = mpz_sizeinbase(Ni, 10);

  k = _GMP_is_prob_prime(Ni);
  if (k == 0)  return 0;
  if (k == 2) {
    /* No need to put anything in the proof */
    if (verbose) printf("%*sN[%d] (%d dig)  PRIME\n", i, "", i, nidigits);
    return 2;
  }
  downresult = 0;

  if (verbose) {
    printf("%*sN[%d] (%d dig)", i, "", i, nidigits);
    if (facstage > 1) printf(" FS %d", facstage);
    fflush(stdout);
  }

  mpz_init(a);  mpz_init(b);
  mpz_init(u);  mpz_init(v);
  mpz_init(m);  mpz_init(q);
  mpz_init(mD); mpz_init(minfactor);  mpz_init(sqrtn);
  mpz_init(t);  mpz_init(t2);
  mpz_init(P.x);mpz_init(P.y);
  for (k = 0; k < 6; k++)
    mpz_init(mlist[k]);

  /* Any factors q found must be strictly > minfactor.
   * See Atkin and Morain, 1992, section 6.4 */
  mpz_root(minfactor, Ni, 4);
  mpz_add_ui(minfactor, minfactor, 1);
  mpz_mul(minfactor, minfactor, minfactor);
  mpz_sqrt(sqrtn, Ni);

  for (stage = (i == 0) ? facstage : 1; stage <= facstage; stage++) {
    int next_stage = (stage > 1) ? stage : 1;
    for (dnum = 0; dlist[dnum] != 0; dnum++) {
      int poly_type;  /* just for debugging/verbose */
      int poly_degree;
      D = -dlist[dnum];
      if (D > 1) continue;  /* Marked for skip */

      if (D == 1) {   /* n-1 test */
        mpz_sub_ui(m, Ni, 1);          /* m = N-1 */
        mpz_sub_ui(t2, sqrtn, 1);
        mpz_tdiv_q_2exp(t2, t2, 1);    /* t2 = minfactor */

        facresult = check_for_factor2(q, m, t2, t, stage, sfacs, nsfacs, 0);
        if (facresult <= 0)
          continue;
        if (verbose)
          { printf(" n-1\n"); fflush(stdout); }
        downresult = ecpp_down(i+1, q, next_stage, dlist, sfacs, nsfacs, prooftextptr);
        if (downresult == 0)     /* composite */
          goto end_down;
        if (downresult == 1) {   /* nothing found at this stage */
          if (verbose) {
            printf("%*sN[%d] (%d dig)", i, "", i, nidigits);
            if (facstage > 1) printf(" FS %d", facstage);
            fflush(stdout);
          }
          continue;
        }
        if (verbose)
          { printf("%*sN[%d] (%d dig) n-1", i, "", i, nidigits); fflush(stdout); }
        curveresult = _GMP_primality_bls_3(Ni, q, &nm1a);
        if (verbose) { printf("  %d\n", curveresult); fflush(stdout); }
        if ( ! curveresult ) {
          /* This ought not happen */
          dlist[dnum] = -2; /* skip this D value from now on */
          if (verbose) gmp_printf("\n  Could not prove n-1 with N = %Zd\n", D, Ni);
          downresult = 0;
          continue;
        }
        goto end_down;
      }
      if (D == -1) {  /* n+1 test */
        mpz_add_ui(m, Ni, 1);          /* m = N+1 */
        mpz_add_ui(t2, sqrtn, 1);
        mpz_tdiv_q_2exp(t2, t2, 1);    /* t2 = minfactor */

        facresult = check_for_factor2(q, m, t2, t, stage, sfacs, nsfacs, 0);
        if (facresult <= 0)
          continue;
        if (verbose)
          { printf(" n+1\n"); fflush(stdout); }
        downresult = ecpp_down(i+1, q, next_stage, dlist, sfacs, nsfacs, prooftextptr);
        if (downresult == 0)     /* composite */
          goto end_down;
        if (downresult == 1) {   /* nothing found at this stage */
          if (verbose) {
            printf("%*sN[%d] (%d dig)", i, "", i, nidigits);
            if (facstage > 1) printf(" FS %d", facstage);
            fflush(stdout);
          }
          continue;
        }
        if (verbose)
          { printf("%*sN[%d] (%d dig) n-1", i, "", i, nidigits); fflush(stdout); }
        curveresult = _GMP_primality_bls_15(Ni, q, &np1lp, &np1lq);
        if (verbose) { printf("  %d\n", curveresult); fflush(stdout); }
        if ( ! curveresult ) {
          /* This ought not happen */
          dlist[dnum] = -2; /* skip this D value from now on */
          if (verbose) gmp_printf("\n  Could not prove n-1 with N = %Zd\n", D, Ni);
          downresult = 0;
          continue;
        }
        goto end_down;
      }

      if ( (-D % 4) != 3 && (-D % 16) != 4 && (-D % 16) != 8 )
        croak("Invalid discriminant '%d' in list\n", D);
      /* D must also be squarefree in odd divisors, but assume it. */
      /* Make sure we can get a class polynomial for this D. */
      poly_degree = poly_class_poly(D, NULL, &poly_type);
      if (poly_degree == 0)  continue;
      /* We'll save time in the long run by not looking at big polys once
       * we've found a good path from the start.  TODO: Needs more tuning. */
      if (stage == 0 && i >= 0 && poly_degree > 2) break;
      if (facstage == 1) {
        if (i >  2 && nidigits < 1100 && poly_degree > 24)  break;
        if (i >  3 && nidigits <  950 && poly_degree > 15)  break;
        if (i >  4 && nidigits <  800 && poly_degree > 11)  break;
        if (i >  8 && nidigits <  700 && poly_degree >  9)  break;
        if (i > 16 && nidigits <  600 && poly_degree >  8)  break;
      }
      mpz_set_si(mD, D);
      /* (D/N) must be 1, and we have to have a u,v solution */
      if (mpz_jacobi(mD, Ni) != 1)
        continue;
      if ( ! modified_cornacchia(u, v, mD, Ni) )
        continue;

      if (verbose > 1)
        { printf(" %d", D); fflush(stdout); }

      choose_m(mlist, D, u, v, Ni, t, t2);
      for (k = 0; k < 6; k++) {
        facresult = check_for_factor2(q, mlist[k], minfactor, t, stage, sfacs, nsfacs, poly_degree);
        /* -1 = couldn't find, 0 = no big factors, 1 = found */
        if (facresult <= 0)
          continue;
        mpz_set(m, mlist[k]);
        if (verbose)
          { printf(" %d (%s %d)\n", D, (poly_type == 1) ? "Hilbert" : "Weber", poly_degree); fflush(stdout); }
        /* Great, now go down. */
        downresult = ecpp_down(i+1, q, next_stage, dlist, sfacs, nsfacs, prooftextptr);
        if (downresult == 0)     /* composite */
          goto end_down;
        if (downresult == 1) {   /* nothing found at this stage */
          if (verbose) {
            printf("%*sN[%d] (%d dig)", i, "", i, nidigits);
            if (facstage > 1) printf(" FS %d", facstage);
            fflush(stdout);
          }
          continue;
        }

        /* Awesome, we found the q chain and are in STAGE 2 */
        if (verbose)
          { printf("%*sN[%d] (%d dig) %d (%s %d)", i, "", i, nidigits, D, (poly_type == 1) ? "Hilbert" : "Weber", poly_degree); fflush(stdout); }

        curveresult = find_curve(a, b, P.x, P.y, D, m, q, Ni);
        if (verbose) { printf("  %d\n", curveresult); fflush(stdout); }
        if (curveresult == 1) {
          /* Oh no!  We can't find a point on the curve.  Something is right
           * messed up, and we've wasted a lot of time.  Sigh. */
          dlist[dnum] = -2; /* skip this D value from now on */
          if (verbose) gmp_printf("\n  Invalidated D = %d with N = %Zd\n", D, Ni);
          downresult = 0;
          continue;
        }
        /* We found it was composite or proved it */
        goto end_down;
      } /* k loop for D */
    } /* D */
  } /* fac stage */
  /* Nothing at this level */
  downresult = 1;
  if (verbose) { printf(" ---\n"); fflush(stdout); }

end_down:

  if (downresult == 2) {
    if (0 && verbose > 1) {
      if (D == 1) {
        gmp_printf("\n");
        gmp_printf("Type BLS3\n");
        gmp_printf("N  %Zd\n", Ni);
        gmp_printf("Q  %Zd\n", q);
        gmp_printf("A  %lu\n", (unsigned long) nm1a);
        gmp_printf("\n");
        fflush(stdout);
      } else if (D == -1) {
        gmp_printf("\n");
        gmp_printf("Type BLS15\n");
        gmp_printf("N  %Zd\n", Ni);
        gmp_printf("Q  %Zd\n", q);
        gmp_printf("LP %ld\n", (signed long) np1lp);
        gmp_printf("LQ %ld\n", (signed long) np1lq);
        gmp_printf("\n");
        fflush(stdout);
      } else {
        gmp_printf("\n");
        gmp_printf("Type ECPP\n");
        gmp_printf("N  %Zd\n", Ni);
        gmp_printf("A  %Zd\n", a);
        gmp_printf("B  %Zd\n", b);
        gmp_printf("M  %Zd\n", m);
        gmp_printf("Q  %Zd\n", q);
        gmp_printf("X  %Zd\n", P.x);
        gmp_printf("Y  %Zd\n", P.y);
        gmp_printf("\n");
        fflush(stdout);
      }
    }
    /* Prepend our proof to anything that exists. */
    if (prooftextptr != 0) {
      char *proofstr, *proofptr;
      int curprooflen = (*prooftextptr == 0) ? 0 : strlen(*prooftextptr);

      if (D == 1) {
        int myprooflen = 20 + 2*(4 + mpz_sizeinbase(Ni, 10)) + 1*21;
        New(0, proofstr, myprooflen + curprooflen + 1, char);
        proofptr = proofstr;
        proofptr += gmp_sprintf(proofptr, "Type BLS3\nN  %Zd\nQ  %Zd\nA  %"UVuf"\n", Ni, q, nm1a);
      } else if (D == -1) {
Exemplo n.º 8
0
char *
_fmpz_poly_get_str_pretty(const fmpz * poly, long len, const char *x)
{
    char *str;
    size_t off;
    long i, bound, nz;

    if (len == 0)
    {
        str = flint_malloc(2);
        str[0] = '0';
        str[1] = '\0';
        return str;
    }

    if (len == 1)
    {
        str = fmpz_get_str(NULL, 10, poly);
        return str;
    }

    nz = 0;
    bound = 1;
    for (i = 0; i < len; i++)
        if (!fmpz_is_zero(poly + i))
        {
            bound += fmpz_sizeinbase(poly + i, 10) + 1;
            nz++;
        }
    bound += nz * (3 + strlen(x) + (long) (ceil(log10(len))));

    str = flint_malloc(bound);
    off = 0;
    i = len - 1;

    if (poly[i] == 1L)
    {
    }
    else if (poly[i] == -1L)
        str[off++] = '-';
    else if (!COEFF_IS_MPZ(poly[i]))
        off += sprintf(str + off, "%ld*", poly[i]);
    else
        off += gmp_sprintf(str + off, "%Zd*", COEFF_TO_PTR(poly[i]));
    if (i > 1)
        off += sprintf(str + off, "%s^%ld", x, i);
    else
        off += sprintf(str + off, "%s", x);

    for (--i; i > 0; --i)
    {
        if (poly[i] == 0L)
            continue;
        if (fmpz_sgn(poly + i) > 0)
            str[off++] = '+';
        if (poly[i] == -1L)
            str[off++] = '-';
        if (poly[i] != 1L && poly[i] != -1L)
        {
            if (!COEFF_IS_MPZ(poly[i]))
                off += sprintf(str + off, "%ld*", poly[i]);
            else
                off += gmp_sprintf(str + off, "%Zd*", COEFF_TO_PTR(poly[i]));
        }
        if (i > 1)
            off += sprintf(str + off, "%s^%ld", x, i);
        else
            off += sprintf(str + off, "%s", x);
    }

    if (poly[i] != 0L)
    {
        if (fmpz_sgn(poly + i) > 0)
            str[off++] = '+';
        if (!COEFF_IS_MPZ(poly[i]))
            off += sprintf(str + off, "%ld", poly[i]);
        else
            off += gmp_sprintf(str + off, "%Zd", COEFF_TO_PTR(poly[i]));
    }

    return str;
}
Exemplo n.º 9
0
/* Recursive routine to prove via ECPP */
static int ecpp_down(int i, mpz_t Ni, int facstage, int *pmaxH, int* dilist, mpz_t* sfacs, int* nsfacs, char** prooftextptr)
{
  mpz_t a, b, u, v, m, q, minfactor, sqrtn, mD, t, t2;
  mpz_t mlist[6];
  mpz_t qlist[6];
  UV nm1a;
  IV np1lp, np1lq;
  struct ec_affine_point P;
  int k, dindex, pindex, nidigits, facresult, curveresult, downresult, stage, D;
  int verbose = get_verbose_level();

  nidigits = mpz_sizeinbase(Ni, 10);

  downresult = _GMP_is_prob_prime(Ni);
  if (downresult == 0)  return 0;
  if (downresult == 2) {
    if (mpz_sizeinbase(Ni,2) <= 64) {
      /* No need to put anything in the proof */
      if (verbose) printf("%*sN[%d] (%d dig)  PRIME\n", i, "", i, nidigits);
      return 2;
    }
    downresult = 1;
  }
  if (i == 0 && facstage == 2 && miller_rabin_random(Ni, 2, 0) == 0) {
    gmp_printf("\n\n**** BPSW counter-example found?  ****\n**** N = %Zd ****\n\n", Ni);
    return 0;
  }

  VERBOSE_PRINT_N(i, nidigits, *pmaxH, facstage);

  mpz_init(a);  mpz_init(b);
  mpz_init(u);  mpz_init(v);
  mpz_init(m);  mpz_init(q);
  mpz_init(mD); mpz_init(minfactor);  mpz_init(sqrtn);
  mpz_init(t);  mpz_init(t2);
  mpz_init(P.x);mpz_init(P.y);
  for (k = 0; k < 6; k++) {
    mpz_init(mlist[k]);
    mpz_init(qlist[k]);
  }

  /* Any factors q found must be strictly > minfactor.
   * See Atkin and Morain, 1992, section 6.4 */
  mpz_root(minfactor, Ni, 4);
  mpz_add_ui(minfactor, minfactor, 1);
  mpz_mul(minfactor, minfactor, minfactor);
  mpz_sqrt(sqrtn, Ni);

  stage = 0;
  if (nidigits > 700) stage = 1;  /* Too rare to find them */
  if (i == 0 && facstage > 1)  stage = facstage;
  for ( ; stage <= facstage; stage++) {
    int next_stage = (stage > 1) ? stage : 1;
    for (dindex = -1; dindex < 0 || dilist[dindex] != 0; dindex++) {
      int poly_type;  /* just for debugging/verbose */
      int poly_degree;
      int allq = (nidigits < 400);  /* Do all q values together, or not */

      if (dindex == -1) {   /* n-1 and n+1 tests */
        int nm1_success = 0;
        int np1_success = 0;
        const char* ptype = "";
        mpz_sub_ui(m, Ni, 1);
        mpz_sub_ui(t2, sqrtn, 1);
        mpz_tdiv_q_2exp(t2, t2, 1);    /* t2 = minfactor */
        nm1_success = check_for_factor(u, m, t2, t, stage, sfacs, nsfacs, 0);
        mpz_add_ui(m, Ni, 1);
        mpz_add_ui(t2, sqrtn, 1);
        mpz_tdiv_q_2exp(t2, t2, 1);    /* t2 = minfactor */
        np1_success = check_for_factor(v, m, t2, t, stage, sfacs, nsfacs, 0);
        /* If both successful, pick smallest */
        if (nm1_success > 0 && np1_success > 0) {
          if (mpz_cmp(u, v) <= 0) np1_success = 0;
          else                    nm1_success = 0;
        }
        if      (nm1_success > 0) {  ptype = "n-1";  mpz_set(q, u);  D =  1; }
        else if (np1_success > 0) {  ptype = "n+1";  mpz_set(q, v);  D = -1; }
        else                      continue;
        if (verbose) { printf(" %s\n", ptype); fflush(stdout); }
        downresult = ecpp_down(i+1, q, next_stage, pmaxH, dilist, sfacs, nsfacs, prooftextptr);
        if (downresult == 0) goto end_down;   /* composite */
        if (downresult == 1) {   /* nothing found at this stage */
          VERBOSE_PRINT_N(i, nidigits, *pmaxH, facstage);
          continue;
        }
        if (verbose)
          { printf("%*sN[%d] (%d dig) %s", i, "", i, nidigits, ptype); fflush(stdout); }
        curveresult = (nm1_success > 0)
                    ? _GMP_primality_bls_3(Ni, q, &nm1a)
                    : _GMP_primality_bls_15(Ni, q, &np1lp, &np1lq);
        if (verbose) { printf("  %d\n", curveresult); fflush(stdout); }
        if ( ! curveresult ) { /* This ought not happen */
          if (verbose)
            gmp_printf("\n  Could not prove %s with N = %Zd\n", ptype, Ni);
          downresult = 1;
          continue;
        }
        goto end_down;
      }

      pindex = dilist[dindex];
      if (pindex < 0) continue;  /* We marked this for skip */
      /* Get the values for D, degree, and poly type */
      poly_degree = poly_class_poly_num(pindex, &D, NULL, &poly_type);
      if (poly_degree == 0)
        croak("Unknown value in dilist[%d]: %d\n", dindex, pindex);

      if ( (-D % 4) != 3 && (-D % 16) != 4 && (-D % 16) != 8 )
        croak("Invalid discriminant '%d' in list\n", D);
      /* D must also be squarefree in odd divisors, but assume it. */
      /* Make sure we can get a class polynomial for this D. */
      if (poly_degree > 16 && stage == 0) {
        if (verbose) printf(" [1]");
        break;
      }
      /* Make the continue-search vs. backtrack decision */
      if (*pmaxH > 0 && poly_degree > *pmaxH)  break;
      mpz_set_si(mD, D);
      /* (D/N) must be 1, and we have to have a u,v solution */
      if (mpz_jacobi(mD, Ni) != 1)
        continue;
      if ( ! modified_cornacchia(u, v, mD, Ni) )
        continue;

      if (verbose > 1)
        { printf(" %d", D); fflush(stdout); }

      /* We're going to factor all the values for this discriminant then pick
       * the smallest.  This adds a little time, but it means we go down
       * faster.  This makes smaller proofs, and might even save time. */

      choose_m(mlist, D, u, v, Ni, t, t2);
      if (allq) {
        int x, y;
        /* We have 0 to 6 m values.  Try to factor them, put in qlist. */
        for (k = 0; k < 6; k++) {
          mpz_set_ui(qlist[k], 0);
          if (mpz_sgn(mlist[k])) {
            facresult = check_for_factor(qlist[k], mlist[k], minfactor, t, stage, sfacs, nsfacs, poly_degree);
            /* -1 = couldn't find, 0 = no big factors, 1 = found */
            if (facresult <= 0)
              mpz_set_ui(qlist[k], 0);
          }
        }
        /* Sort any q values by size, so we work on the smallest first */
        for (x = 0; x < 5; x++)
          if (mpz_sgn(qlist[x]))
            for (y = x+1; y < 6; y++)
              if (mpz_sgn(qlist[y]) && mpz_cmp(qlist[x],qlist[y]) > 0) {
                mpz_swap( qlist[x], qlist[y] );
                mpz_swap( mlist[x], mlist[y] );
              }
      }
      /* Try to make a proof with the first (smallest) q value.
       * Repeat for others if we have to. */
      for (k = 0; k < 6; k++) {
        int maxH = *pmaxH;
        int minH = (nidigits <= 240) ? 7 : (nidigits+39)/40;

        if (allq) {
          if (mpz_sgn(qlist[k]) == 0) continue;
          mpz_set(m, mlist[k]);
          mpz_set(q, qlist[k]);
        } else {
          if (mpz_sgn(mlist[k]) == 0) continue;
          mpz_set(m, mlist[k]);
          facresult = check_for_factor(q, m, minfactor, t, stage, sfacs, nsfacs, poly_degree);
          if (facresult <= 0) continue;
        }

        if (verbose)
          { printf(" %d (%s %d)\n", D, poly_class_type_name(poly_type), poly_degree); fflush(stdout); }
        if (maxH == 0) {
          maxH = minH-1 + poly_degree;
          if (facstage > 1)              /* We worked hard to get here, */
            maxH = 2*maxH + 10;          /* try hard to make use of it. */
        } else if (maxH > minH && maxH > (poly_degree+2)) {
          maxH--;
        }
        /* Great, now go down. */
        downresult = ecpp_down(i+1, q, next_stage, &maxH, dilist, sfacs, nsfacs, prooftextptr);
        /* Nothing found, look at more polys in the future */
        if (downresult == 1 && *pmaxH > 0)  *pmaxH = maxH;

        if (downresult == 0) goto end_down;   /* composite */
        if (downresult == 1) {   /* nothing found at this stage */
          VERBOSE_PRINT_N(i, nidigits, *pmaxH, facstage);
          continue;
        }

        /* Awesome, we found the q chain and are in STAGE 2 */
        if (verbose)
          { printf("%*sN[%d] (%d dig) %d (%s %d)", i, "", i, nidigits, D, poly_class_type_name(poly_type), poly_degree); fflush(stdout); }

        /* Try with only one or two roots, then 8 if that didn't work. */
        /* TODO: This should be done using a root iterator in find_curve() */
        curveresult = find_curve(a, b, P.x, P.y, D, pindex, m, q, Ni, 1);
        if (curveresult == 1) {
          if (verbose) { printf(" [redo roots]"); fflush(stdout); }
          curveresult = find_curve(a, b, P.x, P.y, D, pindex, m, q, Ni, 8);
        }
        if (verbose) { printf("  %d\n", curveresult); fflush(stdout); }
        if (curveresult == 1) {
          /* Something is wrong.  Very likely the class poly coefficients are
             incorrect.  We've wasted lots of time, and need to try again. */
          dilist[dindex] = -2; /* skip this D value from now on */
          if (verbose) gmp_printf("\n  Invalidated D = %d with N = %Zd\n", D, Ni);
          downresult = 1;
          continue;
        }
        /* We found it was composite or proved it */
        goto end_down;
      } /* k loop for D */
    } /* D */
  } /* fac stage */
  /* Nothing at this level */
  if (downresult != 1) croak("ECPP internal error: downresult is %d at end\n", downresult);
  if (verbose) {
    if (*pmaxH > 0) printf(" (max %d)", *pmaxH);
    printf(" ---\n");
    fflush(stdout);
  }
  if (*pmaxH > 0) *pmaxH = *pmaxH + 2;

end_down:

  if (downresult == 2) {
    if (0 && verbose > 1) {
      gmp_printf("\n");
      if (D == 1) {
        gmp_printf("Type BLS3\nN  %Zd\nQ  %Zd\nA  %"UVuf"\n", Ni, q, nm1a);
      } else if (D == -1) {
        gmp_printf("Type BLS15\nN  %Zd\nQ  %Zd\nLP %"IVdf"\nLQ %"IVdf"\n", Ni, q, np1lp, np1lq);
      } else {
        gmp_printf("Type ECPP\nN  %Zd\nA  %Zd\nB  %Zd\nM  %Zd\nQ  %Zd\nX  %Zd\nY  %Zd\n", Ni, a, b, m, q, P.x, P.y);
      }
      gmp_printf("\n");
      fflush(stdout);
    }
    /* Prepend our proof to anything that exists. */
    if (prooftextptr != 0) {
      char *proofstr, *proofptr;
      int curprooflen = (*prooftextptr == 0) ? 0 : strlen(*prooftextptr);

      if (D == 1) {
        int myprooflen = 20 + 2*(4 + mpz_sizeinbase(Ni, 10)) + 1*21;
        New(0, proofstr, myprooflen + curprooflen + 1, char);
        proofptr = proofstr;
        proofptr += gmp_sprintf(proofptr, "Type BLS3\nN  %Zd\nQ  %Zd\n", Ni,q);
        proofptr += sprintf(proofptr, "A  %"UVuf"\n", nm1a);
      } else if (D == -1) {
Exemplo n.º 10
0
int encrypt_vec_to_file( int vsizelocal, const char * input_file_name, const char * output_file_name, const char * key_file_name)
{
	int input_size = 0, i, temp;
	mpz_t *vec1;
	char* temp_str = NULL;
	FILE *input_file, *output_file;


	vsize = vsizelocal;
	input_file = fopen(input_file_name, "r");
	output_file = fopen(output_file_name, "w");

	strncpy(g_key_file_name, key_file_name, sizeof(g_key_file_name));

	printf("Number of vector dimensions = %d\n", vsizelocal);
	//printf("p_vec2:%p, ENOMEM:%d\n", p_vec2, (errno == ENOMEM)?1:0);



	//initialize vectors and big number variables
	//Dynamically creating the array
	vec1 = (mpz_t *)malloc(vsizelocal*sizeof(mpz_t));

	//We have to write encrypted values to file
	//to hold each value in string before we need
	//a large string to copy the big number
	//Although the key size is 4096 bits,
	//we will allocate the chars capable of storing
	//8192 bit values. No. of chars required = 
	//log(2^{8192}) base 10 = keysize*log 2 = 8192 * log 2 = 2466.03<2500
	temp_str = (char *)malloc(BIG_NUM_SZ);

	//initialize vectors and big number variables
	for (i = 0; i < vsizelocal; i++)
		mpz_init(*(vec1+i));

	//variables are set to 0

	init();

	for (i = 0; i < vsizelocal; i++)
	{
		mpz_init(*(vec1+i));
	}

	//variables are set to 0

	//init();



	//check if files are opened properly
	if (input_file == NULL) {
		printf("\n%s", "Error: open input_file!");
		return -2;
	}

	if (output_file == NULL) {
		printf("\n%s", "Error: open output_file!");
		return -3;
	}

	//fill in the first vector
	for( fscanf(input_file,"%d", &temp); temp != EOF && input_size < vsizelocal; 
			fscanf(input_file, "%d", &temp) ){

		//temp = (int) temp2;
		//printf("doc1:: temp2: %" PRId64 ", temp:%d\n", temp2, temp);
		printf("doc1::Wt:%d\n", temp);

		encrypt(*(vec1+input_size), temp);
		//gmp_printf("No. of chars:%d, BIGNO:%s\n", gmp_sprintf(temp_str, "%Zd", *(vec1+input_size)), temp_str);
		//TODO: Optimization area use fprintf directly using %Zd instead of temp_str. No memory needed.
		gmp_sprintf(temp_str, "%Zd", *(vec1+input_size));
		//decrypt(vec1[input_size]);
		//gmp_printf("%d: %Zd\n", input_size, *(vec1+input_size));
		fprintf(output_file, "%s", temp_str);
		fflush(output_file);
		sync();
		input_size ++;
		if ( vsizelocal!=1 && input_size < vsizelocal )
		{
			fprintf(output_file, "\n");
		}
	} 




	fclose(input_file);  
	fflush(output_file);
	fclose(output_file);

	//release space used by big number variables
	for (i = 0; i < vsizelocal; i++)
		mpz_clear(*(vec1+i));


	clear();
	free(vec1);
	free(temp_str);

	return 0;

}