Merge "init attribute-based encryption"

1 files changed, 65 insertions, 0 deletions

diff --git a/moon-abe/pbc-0.5.14/benchmark/ellnet.c b/moon-abe/pbc-0.5.14/benchmark/ellnet.c
new file mode 100644
index 00000000..8a866a65
--- /dev/null
+++ b/moon-abe/pbc-0.5.14/benchmark/ellnet.c
@@ -0,0 +1,65 @@
+#include <pbc.h>
+#include "pbc_test.h"
+
+void time_pairing(pairing_ptr pairing) {
+  int i, n;
+  double t0, t1, ttotal, ttotalpp;
+  pairing_pp_t pp;
+  element_t x, y, r, r2;
+  element_init_G1(x, pairing);
+  element_init_G2(y, pairing);
+  element_init_GT(r, pairing);
+  element_init_GT(r2, pairing);
+
+  n = 10;
+  ttotal = 0.0;
+  ttotalpp = 0.0;
+  for (i=0; i<n; i++) {
+    element_random(x);
+    element_random(y);
+
+    pairing_pp_init(pp, x, pairing);
+    t0 = pbc_get_time();
+    pairing_pp_apply(r, y, pp);
+    t1 = pbc_get_time();
+    ttotalpp += t1 - t0;
+    pairing_pp_clear(pp);
+
+    t0 = pbc_get_time();
+    element_pairing(r2, x, y);
+    t1 = pbc_get_time();
+    ttotal += t1 - t0;
+
+    //element_printf("x = %B\n", x);
+    //element_printf("y = %B\n", y);
+    //element_printf("e(x,y) = %B\n", r);
+    if (element_cmp(r, r2)) {
+      printf("BUG!\n");
+      exit(1);
+    }
+  }
+  printf("average pairing time = %f\n", ttotal / n);
+  printf("average pairing time (preprocessed) = %f\n", ttotalpp / n);
+
+  element_clear(x);
+  element_clear(y);
+  element_clear(r);
+  element_clear(r2);
+}
+
+int main(int argc, char **argv) {
+  pairing_t pairing;
+
+  pbc_demo_pairing_init(pairing, argc, argv);
+
+  printf("Miller's algorithm\n");
+  time_pairing(pairing);
+
+  pairing_option_set(pairing, "method", "shipsey-stange");
+  printf("Shipsey-Stange algorithm\n");
+  time_pairing(pairing);
+
+  pairing_clear(pairing);
+
+  return 0;
+}