main.c

   1 #include "d0_blind_id.h"
   2
   3 #include <stdio.h>
   4 #include <string.h>
   5 #include <time.h>
   6
   7 void bench(double *b)
   8 {
   9         static struct timespec thistime, lasttime;
  10         static double x = 0;
  11         static double *lastclock = &x;
  12         lasttime = thistime;
  13         clock_gettime(CLOCK_MONOTONIC, &thistime);
  14         *lastclock += (thistime.tv_sec - lasttime.tv_sec) + 0.000000001 * (thistime.tv_nsec - lasttime.tv_nsec);
  15         lastclock = b;
  16 }
  17
  18 #include <sys/signal.h>
  19 volatile BOOL quit = 0;
  20 void mysignal(int signo)
  21 {
  22         (void) signo;
  23         quit = 1;
  24 }
  25
  26 #include <err.h>
  27 int main(int argc, char **argv)
  28 {
  29         char buf[65536]; size_t bufsize;
  30         char buf2[65536]; size_t buf2size; ssize_t buf2ssize;
  31         d0_blind_id_t *ctx_self, *ctx_other;
  32
  33         d0_blind_id_INITIALIZE();
  34         ctx_self = d0_blind_id_new();
  35         ctx_other = d0_blind_id_new();
  36
  37         if(!d0_blind_id_generate_private_keys(ctx_self, 1024))
  38                 errx(1, "keygen fail");
  39         bufsize = sizeof(buf); if(!d0_blind_id_write_public_keys(ctx_self, buf, &bufsize))
  40                 errx(2, "writepub fail");
  41         if(!d0_blind_id_read_public_keys(ctx_other, buf, bufsize))
  42                 errx(3, "readpub fail");
  43
  44         signal(SIGINT, mysignal);
  45
  46         int n = 0;
  47         double bench_gen = 0, bench_fp = 0, bench_stop = 0;
  48         do
  49         {
  50                 bench(&bench_gen);
  51                 bufsize = sizeof(buf); if(!d0_blind_id_generate_private_id_start(ctx_other))
  52                         errx(4, "genid fail");
  53                 bench(&bench_fp);
  54                 buf2size = sizeof(buf2) - 1; if(!d0_blind_id_fingerprint64_public_id(ctx_other, buf2, &buf2size))
  55                         errx(4, "fp64 fail");
  56                 bench(&bench_stop);
  57                 if(n % 1024 == 0)
  58                         printf("gen=%f fp=%f\n", n/bench_gen, n/bench_fp);
  59                 ++n;
  60         }
  61         while(!(quit || argc != 2 || (buf2size > strlen(argv[1]) && !memcmp(buf2, argv[1], strlen(argv[1])))));
  62
  63         buf2[buf2size] = 0;
  64         printf("Generated key has ID: %s\n", buf2);
  65
  66         bufsize = sizeof(buf); if(!d0_blind_id_generate_private_id_request(ctx_other, buf, &bufsize))
  67                 errx(4, "genreq fail");
  68         buf2size = sizeof(buf2); if(!d0_blind_id_answer_private_id_request(ctx_self, buf, bufsize, buf2, &buf2size))
  69                 errx(5, "ansreq fail");
  70         if(!d0_blind_id_finish_private_id_request(ctx_other, buf2, buf2size))
  71                 errx(6, "finishreq fail");
  72
  73         bufsize = sizeof(buf); if(!d0_blind_id_write_public_id(ctx_other, buf, &bufsize))
  74                 errx(7, "writepub2 fail");
  75         if(!d0_blind_id_read_public_id(ctx_self, buf, bufsize))
  76                 errx(8, "readpub2 fail");
  77
  78         n = 0;
  79         double bench_auth = 0, bench_chall = 0, bench_resp = 0, bench_verify = 0;
  80         while(!quit)
  81         {
  82                 bench(&bench_auth);
  83                 bufsize = sizeof(buf); if(!d0_blind_id_authenticate_with_private_id_start(ctx_other, 1, "hello world", 11, buf, &bufsize))
  84                         errx(9, "start fail");
  85                 bench(&bench_chall);
  86                 buf2size = sizeof(buf2); if(!d0_blind_id_authenticate_with_private_id_challenge(ctx_self, 1, buf, bufsize, buf2, &buf2size))
  87                         errx(10, "challenge fail");
  88                 bench(&bench_resp);
  89                 bufsize = sizeof(buf); if(!d0_blind_id_authenticate_with_private_id_response(ctx_other, buf2, buf2size, buf, &bufsize))
  90                         errx(11, "response fail");
  91                 bench(&bench_verify);
  92                 buf2ssize = sizeof(buf2); if(!d0_blind_id_authenticate_with_private_id_verify(ctx_self, buf, bufsize, buf2, &buf2ssize))
  93                         errx(12, "verify fail");
  94                 if(buf2ssize != 11 || memcmp(buf2, "hello world", 11))
  95                         errx(13, "hello fail");
  96                 bench(&bench_stop);
  97                 ++n;
  98                 if(n % 1024 == 0)
  99                         printf("auth=%f chall=%f resp=%f verify=%f\n", n/bench_auth, n/bench_chall, n/bench_resp, n/bench_verify);
 100         }
 101
 102         return 0;
 103 }