tests/testSS.cpp

   1 #include <gtest/gtest.h>
   2 #include <pbc/pbc.h>
   3
   4 #include "DIPE.h"
   5
   6 static dipe_param_t param;
   7
   8 TEST(SSText, SSBaseTest) {
   9         element_t types[3];
  10         element_init_G1(types[0], *dipe_get_pairing(param));
  11         element_init_G2(types[1], *dipe_get_pairing(param));
  12         element_init_GT(types[2], *dipe_get_pairing(param));
  13         size_t parties = 7;
  14         size_t dummies = 7;
  15
  16         element_t shared_secret;
  17         element_t recovered_secret;
  18
  19         element_t* shares[parties];
  20         element_t* dummy_shares[dummies];
  21         element_t identities[parties];
  22         element_t dummy_identities[dummies];
  23
  24         for (size_t j = 0; j < parties; ++j) {
  25                 shares[j] = (element_t*)calloc(1, sizeof(element_t));
  26                 element_init_Zr(identities[j], *dipe_get_pairing(param));
  27                 element_random(identities[j]);
  28
  29                 if (j < dummies) {
  30                         dummy_shares[j] = (element_t*)calloc(1, sizeof(element_t));
  31                         element_init_Zr(dummy_identities[j], *dipe_get_pairing(param));
  32                         element_random(dummy_identities[j]);
  33                 }
  34         }
  35
  36
  37         for (size_t i = 0; i < 3; ++i) {
  38                 element_init_same_as(shared_secret, types[i]);
  39                 element_init_same_as(recovered_secret, types[i]);
  40
  41                 for (size_t j = 0; j < parties; ++j) {
  42                         element_init_same_as(shares[j][0], types[i]);
  43                         //element_init_same_as(dummy_shares[j][0], types[i]);
  44                         element_random(shares[j][0]);
  45                 }
  46
  47                 dipe_ss_share(param, parties, identities, parties, dummy_identities, 1, shares, &shared_secret, dummy_shares);
  48                 dipe_ss_recover(param, parties, identities, 1, shares, &recovered_secret);
  49                 EXPECT_EQ(element_cmp(shared_secret, recovered_secret), 0);
  50                 dipe_ss_recover(param, parties, dummy_identities, 1, dummy_shares, &recovered_secret);
  51                 EXPECT_EQ(element_cmp(shared_secret, recovered_secret), 0);
  52
  53
  54                 for (size_t j = 0; j < parties; ++j) {
  55                         element_clear(shares[j][0]);
  56                         element_clear(dummy_shares[j][0]);
  57                 }
  58
  59                 element_clear(shared_secret);
  60                 element_clear(recovered_secret);
  61         }
  62
  63         for (size_t i = 0; i < 3; ++i) {
  64                 element_clear(types[i]);
  65         }
  66         for (size_t j = 0; j < parties; ++j) {
  67                 element_clear(identities[j]);
  68                 element_clear(dummy_identities[j]);
  69
  70                 free(shares[j]);
  71                 free(dummy_shares[j]);
  72         }
  73 }
  74
  75
  76 int main(int argc, char **argv) {
  77     ::testing::InitGoogleTest(&argc, argv);
  78
  79         dipe_init(fopen("../tests/a.param", "r"), &param);
  80
  81         int result = RUN_ALL_TESTS();
  82         dipe_free_param(param);
  83         return result;
  84 }
  85