www.tinc-vpn.org Git - tinc/blob - src/sptps_speed.c

   1 /*
   2     sptps_speed.c -- SPTPS benchmark
   3     Copyright (C) 2013-2022 Guus Sliepen <guus@tinc-vpn.org>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License along
  16     with this program; if not, write to the Free Software Foundation, Inc.,
  17     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "system.h"
  21 #include "utils.h"
  22
  23 #include <poll.h>
  24
  25 #include "crypto.h"
  26 #include "ecdh.h"
  27 #include "ecdsa.h"
  28 #include "ecdsagen.h"
  29 #include "meta.h"
  30 #include "protocol.h"
  31 #include "sptps.h"
  32 #include "random.h"
  33
  34 // Symbols necessary to link with logger.o
  35 bool send_request(struct connection_t *c, const char *msg, ...) {
  36         (void)c;
  37         (void)msg;
  38         return false;
  39 }
  40
  41 list_t connection_list;
  42
  43 bool send_meta(struct connection_t *c, const void *msg, size_t len) {
  44         (void)c;
  45         (void)msg;
  46         (void)len;
  47         return false;
  48 }
  49 bool do_detach = false;
  50 struct timeval now;
  51
  52 static bool send_data(void *handle, uint8_t type, const void *data, size_t len) {
  53         (void)type;
  54         int fd = *(int *)handle;
  55         send(fd, data, len, 0);
  56         return true;
  57 }
  58
  59 static bool receive_record(void *handle, uint8_t type, const void *data, uint16_t len) {
  60         (void)handle;
  61         (void)type;
  62         (void)data;
  63         (void)len;
  64         return true;
  65 }
  66
  67 static void receive_data(sptps_t *sptps) {
  68         uint8_t buf[4096], *bufp = buf;
  69         int fd = *(int *)sptps->handle;
  70         size_t len = recv(fd, buf, sizeof(buf), 0);
  71
  72         while(len) {
  73                 size_t done = sptps_receive_data(sptps, bufp, len);
  74
  75                 if(!done) {
  76                         abort();
  77                 }
  78
  79                 bufp += done;
  80                 len -= done;
  81         }
  82 }
  83
  84 struct timespec start;
  85 struct timespec end;
  86 double elapsed;
  87 double rate;
  88 unsigned int count;
  89
  90 static void clock_start(void) {
  91         count = 0;
  92         clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &start);
  93 }
  94
  95 static bool clock_countto(double seconds) {
  96         clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &end);
  97         elapsed = (double) end.tv_sec + (double) end.tv_nsec * 1e-9
  98                   - (double) start.tv_sec - (double) start.tv_nsec * 1e-9;
  99
 100         if(elapsed < seconds) {
 101                 return ++count;
 102         }
 103
 104         rate = count / elapsed;
 105         return false;
 106 }
 107
 108 static int run_benchmark(int argc, char *argv[]) {
 109         ecdsa_t *key1, *key2;
 110         ecdh_t *ecdh1, *ecdh2;
 111         sptps_t sptps1, sptps2;
 112         uint8_t buf1[4096], buf2[4096], buf3[4096];
 113         double duration = argc > 1 ? atof(argv[1]) : 10;
 114
 115         randomize(buf1, sizeof(buf1));
 116         randomize(buf2, sizeof(buf2));
 117         randomize(buf3, sizeof(buf3));
 118
 119         // Key generation
 120
 121         fprintf(stderr, "Generating keys for %lg seconds: ", duration);
 122
 123         for(clock_start(); clock_countto(duration);) {
 124                 ecdsa_free(ecdsa_generate());
 125         }
 126
 127         fprintf(stderr, "%17.2lf op/s\n", rate);
 128
 129         key1 = ecdsa_generate();
 130         key2 = ecdsa_generate();
 131
 132         // Ed25519 signatures
 133
 134         fprintf(stderr, "Ed25519 sign for %lg seconds: ", duration);
 135
 136         for(clock_start(); clock_countto(duration);)
 137                 if(!ecdsa_sign(key1, buf1, 256, buf2)) {
 138                         return 1;
 139                 }
 140
 141         fprintf(stderr, "%20.2lf op/s\n", rate);
 142
 143         fprintf(stderr, "Ed25519 verify for %lg seconds: ", duration);
 144
 145         for(clock_start(); clock_countto(duration);)
 146                 if(!ecdsa_verify(key1, buf1, 256, buf2)) {
 147                         fprintf(stderr, "Signature verification failed\n");
 148                         return 1;
 149                 }
 150
 151         fprintf(stderr, "%18.2lf op/s\n", rate);
 152
 153         ecdh1 = ecdh_generate_public(buf1);
 154         fprintf(stderr, "ECDH for %lg seconds: ", duration);
 155
 156         for(clock_start(); clock_countto(duration);) {
 157                 ecdh2 = ecdh_generate_public(buf2);
 158
 159                 if(!ecdh2) {
 160                         return 1;
 161                 }
 162
 163                 if(!ecdh_compute_shared(ecdh2, buf1, buf3)) {
 164                         return 1;
 165                 }
 166         }
 167
 168         fprintf(stderr, "%28.2lf op/s\n", rate);
 169         ecdh_free(ecdh1);
 170
 171         int fd[2];
 172         struct pollfd pfd[2] = {{fd[0], POLLIN}, {fd[1], POLLIN}};
 173
 174         sptps_params_t params1 = {
 175                 .handle = fd + 0,
 176                 .initiator = true,
 177                 .datagram = false,
 178                 .mykey = key1,
 179                 .hiskey = key2,
 180                 .label = "sptps_speed",
 181                 .send_data = send_data,
 182                 .receive_record = receive_record,
 183         };
 184
 185         sptps_params_t params2 = {
 186                 .handle = fd + 1,
 187                 .initiator = false,
 188                 .datagram = false,
 189                 .mykey = key2,
 190                 .hiskey = key1,
 191                 .label = "sptps_speed",
 192                 .send_data = send_data,
 193                 .receive_record = receive_record,
 194         };
 195
 196         static const char *suite_names[] = {
 197                 "Chacha20-Poly1305",
 198                 "AES-256-GCM",
 199         };
 200
 201         for(uint8_t suite = 0; suite < 2; suite++) {
 202                 fprintf(stderr, "\nCipher suite %u (%s):\n", suite, suite_names[suite]);
 203                 params1.preferred_suite = params2.preferred_suite = suite;
 204
 205                 // SPTPS authentication phase
 206
 207                 fprintf(stderr, "SPTPS/TCP authenticate for %lg seconds: ", duration);
 208
 209                 if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) {
 210                         fprintf(stderr, "Could not create a UNIX socket pair: %s\n", sockstrerror(sockerrno));
 211                         return 1;
 212                 }
 213
 214                 pfd[0].fd = fd[0], pfd[1].fd = fd[1];
 215                 params1.datagram = params2.datagram = false;
 216
 217                 for(clock_start(); clock_countto(duration);) {
 218                         sptps_start(&sptps1, &params1);
 219                         sptps_start(&sptps2, &params2);
 220
 221                         while(poll(pfd, 2, 0)) {
 222                                 if(pfd[0].revents) {
 223                                         receive_data(&sptps1);
 224                                 }
 225
 226                                 if(pfd[1].revents) {
 227                                         receive_data(&sptps2);
 228                                 }
 229                         }
 230
 231                         sptps_stop(&sptps1);
 232                         sptps_stop(&sptps2);
 233                 }
 234
 235                 fprintf(stderr, "%10.2lf op/s\n", rate * 2);
 236
 237                 // SPTPS data
 238
 239                 sptps_start(&sptps1, &params1);
 240                 sptps_start(&sptps2, &params2);
 241
 242                 while(poll(pfd, 2, 0)) {
 243                         if(pfd[0].revents) {
 244                                 receive_data(&sptps1);
 245                         }
 246
 247                         if(pfd[1].revents) {
 248                                 receive_data(&sptps2);
 249                         }
 250                 }
 251
 252                 fprintf(stderr, "SPTPS/TCP transmit for %lg seconds: ", duration);
 253
 254                 for(clock_start(); clock_countto(duration);) {
 255                         if(!sptps_send_record(&sptps1, 0, buf1, 1451)) {
 256                                 abort();
 257                         }
 258
 259                         receive_data(&sptps2);
 260                 }
 261
 262                 rate *= 2 * 1451 * 8;
 263
 264                 if(rate > 1e9) {
 265                         fprintf(stderr, "%14.2lf Gbit/s\n", rate / 1e9);
 266                 } else if(rate > 1e6) {
 267                         fprintf(stderr, "%14.2lf Mbit/s\n", rate / 1e6);
 268                 } else if(rate > 1e3) {
 269                         fprintf(stderr, "%14.2lf kbit/s\n", rate / 1e3);
 270                 }
 271
 272                 sptps_stop(&sptps1);
 273                 sptps_stop(&sptps2);
 274
 275                 close(fd[0]);
 276                 close(fd[1]);
 277
 278                 // SPTPS datagram authentication phase
 279
 280                 if(socketpair(AF_UNIX, SOCK_DGRAM, 0, fd)) {
 281                         fprintf(stderr, "Could not create a UNIX socket pair: %s\n", sockstrerror(sockerrno));
 282                         return 1;
 283                 }
 284
 285                 pfd[0].fd = fd[0], pfd[1].fd = fd[1];
 286                 params1.datagram = params2.datagram = true;
 287
 288                 fprintf(stderr, "SPTPS/UDP authenticate for %lg seconds: ", duration);
 289
 290                 for(clock_start(); clock_countto(duration);) {
 291                         sptps_start(&sptps1, &params1);
 292                         sptps_start(&sptps2, &params2);
 293
 294                         while(poll(pfd, 2, 0)) {
 295                                 if(pfd[0].revents) {
 296                                         receive_data(&sptps1);
 297                                 }
 298
 299                                 if(pfd[1].revents) {
 300                                         receive_data(&sptps2);
 301                                 }
 302                         }
 303
 304                         sptps_stop(&sptps1);
 305                         sptps_stop(&sptps2);
 306                 }
 307
 308                 fprintf(stderr, "%10.2lf op/s\n", rate * 2);
 309
 310                 // SPTPS datagram data
 311
 312                 sptps_start(&sptps1, &params1);
 313                 sptps_start(&sptps2, &params2);
 314
 315                 while(poll(pfd, 2, 0)) {
 316                         if(pfd[0].revents) {
 317                                 receive_data(&sptps1);
 318                         }
 319
 320                         if(pfd[1].revents) {
 321                                 receive_data(&sptps2);
 322                         }
 323                 }
 324
 325                 fprintf(stderr, "SPTPS/UDP transmit for %lg seconds: ", duration);
 326
 327                 for(clock_start(); clock_countto(duration);) {
 328                         if(!sptps_send_record(&sptps1, 0, buf1, 1451)) {
 329                                 abort();
 330                         }
 331
 332                         receive_data(&sptps2);
 333                 }
 334
 335                 rate *= 2 * 1451 * 8;
 336
 337                 if(rate > 1e9) {
 338                         fprintf(stderr, "%14.2lf Gbit/s\n", rate / 1e9);
 339                 } else if(rate > 1e6) {
 340                         fprintf(stderr, "%14.2lf Mbit/s\n", rate / 1e6);
 341                 } else if(rate > 1e3) {
 342                         fprintf(stderr, "%14.2lf kbit/s\n", rate / 1e3);
 343                 }
 344
 345                 sptps_stop(&sptps1);
 346                 sptps_stop(&sptps2);
 347
 348                 close(fd[0]);
 349                 close(fd[1]);
 350         }
 351
 352         // Clean up
 353
 354         ecdsa_free(key1);
 355         ecdsa_free(key2);
 356
 357         return 0;
 358 }
 359
 360 int main(int argc, char *argv[]) {
 361         random_init();
 362         crypto_init();
 363
 364         int result = run_benchmark(argc, argv);
 365
 366         random_exit();
 367
 368         return result;
 369 }