From 3baeb11a8fbcfcdbc31976d421f17b85503b3ecd Mon Sep 17 00:00:00 2001
From: WuKong <rebirthmonkey@gmail.com>
Date: Fri, 4 Sep 2015 09:25:34 +0200
Subject: init attribute-based encryption

Change-Id: Iba1a3d722110abf747a0fba366f3ebc911d25b25
---
 moon-abe/pbc-0.5.14/guru/exp_test.c | 88 +++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 moon-abe/pbc-0.5.14/guru/exp_test.c

(limited to 'moon-abe/pbc-0.5.14/guru/exp_test.c')

diff --git a/moon-abe/pbc-0.5.14/guru/exp_test.c b/moon-abe/pbc-0.5.14/guru/exp_test.c
new file mode 100644
index 00000000..02ccfaba
--- /dev/null
+++ b/moon-abe/pbc-0.5.14/guru/exp_test.c
@@ -0,0 +1,88 @@
+// Mutliexponentiation benchmark and test.
+
+#include <string.h>
+#include "pbc.h"
+#include "pbc_test.h"
+
+int main(int argc, char **argv) {
+  pairing_t pairing;
+  element_t g1, u1, up1, g2, u2, up2, r;
+  mpz_t r_mpz;
+  element_pp_t g1_pp, g2_pp;
+  double t0, t1;
+  int i, n;
+
+  printf("reading pairing from stdin...\n");
+  pbc_demo_pairing_init(pairing, argc, argv);
+
+  element_init(r, pairing->Zr);
+  element_init(g1, pairing->G1);
+  element_init(u1, pairing->G1);
+  element_init(up1, pairing->G1);
+  element_init(g2, pairing->G2);
+  element_init(u2, pairing->G2);
+  element_init(up2, pairing->G2);
+
+  element_random(r);
+  element_random(g1);
+  element_random(g2);
+
+  mpz_init(r_mpz);
+  element_to_mpz(r_mpz, r);
+
+  element_pp_init(g1_pp, g1);
+  element_pp_init(g2_pp, g2);
+
+  n = 100;
+  t0 = pbc_get_time();
+  for (i=0; i<n; i++) {
+    element_pow_mpz(u1, g1, r_mpz);
+  }
+  t1 = pbc_get_time();
+  printf("G1 exp:\t\t%fs\n", t1 - t0);
+
+  n = 100;
+  t0 = pbc_get_time();
+  for (i=0; i<n; i++) {
+    element_pow_mpz(u2, g2, r_mpz);
+  }
+  t1 = pbc_get_time();
+  printf("G2 exp:\t\t%fs\n", t1 - t0);
+
+  n = 100;
+  t0 = pbc_get_time();
+  for (i=0; i<n; i++) {
+    element_pp_pow(up1, r_mpz, g1_pp);
+  }
+  t1 = pbc_get_time();
+  printf("G1 pp exp:\t%fs\n", t1 - t0);
+
+  n = 100;
+  t0 = pbc_get_time();
+  for (i=0; i<n; i++) {
+    element_pp_pow(up2, r_mpz, g2_pp);
+  }
+  t1 = pbc_get_time();
+  printf("G2 pp exp:\t%fs\n", t1 - t0);
+
+  if (element_cmp(u1, up1)) {
+    printf("Oops 1!\n");
+  }
+  if (element_cmp(u2, up2)) {
+    printf("Oops 2!\n");
+  }
+
+  mpz_clear(r_mpz);
+  element_clear(g1);
+  element_clear(u1);
+  element_clear(up1);
+  element_clear(g2);
+  element_clear(u2);
+  element_clear(up2);
+  element_clear(r);
+  element_pp_clear(g1_pp);
+  element_pp_clear(g2_pp);
+  pairing_clear(pairing);
+
+  return 0;
+}
-- 
cgit 1.2.3-korg