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-rw-r--r--moon-abe/pbc-0.5.14/guru/exp_test.c88
1 files changed, 88 insertions, 0 deletions
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;
+}