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/timefp.c | 98 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 moon-abe/pbc-0.5.14/guru/timefp.c

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

diff --git a/moon-abe/pbc-0.5.14/guru/timefp.c b/moon-abe/pbc-0.5.14/guru/timefp.c
new file mode 100644
index 00000000..6e308f9a
--- /dev/null
+++ b/moon-abe/pbc-0.5.14/guru/timefp.c
@@ -0,0 +1,98 @@
+#include "pbc.h"
+#include "pbc_fp.h"
+#include "pbc_test.h"
+
+static void timefield(field_t fp) {
+  int i, n;
+  double t0, t1;
+
+  element_t x, y, z;
+  element_init(x, fp);
+  element_init(y, fp);
+  element_init(z, fp);
+
+  element_random(x);
+  element_random(y);
+
+  n = 20000;
+  t0 = pbc_get_time();
+  for (i=0; i<n; i++) {
+    element_mul(z, x, y);
+    element_mul(x, y, z);
+    element_mul(y, z, x);
+  }
+  t1 = pbc_get_time();
+  printf("mul %fs\n", t1 - t0);
+
+  n = 20000;
+  t0 = pbc_get_time();
+  for (i=0; i<n; i++) {
+    element_square(x, x);
+  }
+  t1 = pbc_get_time();
+  printf("square %fs\n", t1 - t0);
+
+  n = 1000;
+  t0 = pbc_get_time();
+  for (i=0; i<n; i++) {
+    element_invert(z, x);
+    element_invert(z, y);
+  }
+  t1 = pbc_get_time();
+  printf("invert %fs\n", t1 - t0);
+
+  n = 40000;
+  t0 = pbc_get_time();
+  for (i=0; i<n; i++) {
+    element_set0(z);
+  }
+  t1 = pbc_get_time();
+  printf("set0 %fs\n", t1 - t0);
+
+  n = 40000;
+  t0 = pbc_get_time();
+  for (i=0; i<n; i++) {
+    element_set(z, x);
+    element_set(z, y);
+  }
+  t1 = pbc_get_time();
+  printf("set %fs\n", t1 - t0);
+
+  n = 400;
+  t0 = pbc_get_time();
+  for (i=0; i<n; i++) {
+    element_pow_zn(x, y, z);
+  }
+  t1 = pbc_get_time();
+  printf("pow_zn %fs\n", t1 - t0);
+
+  element_clear(x);
+  element_clear(y);
+  element_clear(z);
+}
+
+int main(int argc, char **argv) {
+  field_t f1, f2;
+  mpz_t prime;
+
+  mpz_init(prime);
+  if (argc > 1) {
+    mpz_setbit(prime, atoi(argv[1]));
+  } else {
+    mpz_setbit(prime, 201);
+  }
+  mpz_setbit(prime, 70);
+  mpz_nextprime(prime, prime);
+  field_init_mont_fp(f1, prime);
+  field_init_faster_fp(f2, prime);
+
+  printf("montfp.c\n");
+  timefield(f1);
+  printf("fasterfp.c\n");
+  timefield(f2);
+
+  mpz_clear(prime);
+  field_clear(f1);
+  field_clear(f2);
+  return 0;
+}
-- 
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