From bae6a42be4648cdf0f9fa21716870a7dad1633ed Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Mon, 29 Sep 2014 08:20:07 +0200
Subject: [PATCH] Make bench use external interface

---
 Makefile.am |  2 +-
 src/bench.c | 61 +++++++++++------------------------------------------
 2 files changed, 13 insertions(+), 50 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 0e413cb..a9df7d5 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -46,7 +46,7 @@ noinst_PROGRAMS =
 if USE_BENCHMARK
 noinst_PROGRAMS += bench
 bench_SOURCES = src/bench.c
-bench_LDADD = libsecp256k1_common.la $(SECP_LIBS)
+bench_LDADD = libsecp256k1.la $(SECP_LIBS)
 bench_LDFLAGS = -static
 endif
 
diff --git a/src/bench.c b/src/bench.c
index a7e2eed..b7ff4a6 100644
--- a/src/bench.c
+++ b/src/bench.c
@@ -4,61 +4,24 @@
 
 #include <stdio.h>
 
-#include "num_impl.h"
-#include "field_impl.h"
-#include "group_impl.h"
-#include "ecmult_impl.h"
-#include "ecdsa_impl.h"
+#include "include/secp256k1.h"
 #include "util_impl.h"
 
-void random_num_order(secp256k1_num_t *num) {
-    do {
-        unsigned char b32[32];
-        secp256k1_rand256(b32);
-        secp256k1_num_set_bin(num, b32, 32);
-        if (secp256k1_num_is_zero(num))
-            continue;
-        if (secp256k1_num_cmp(num, &secp256k1_ge_consts->order) >= 0)
-            continue;
-        break;
-    } while(1);
-}
-
 int main() {
-    secp256k1_fe_start();
-    secp256k1_ge_start();
-    secp256k1_ecmult_start();
+    secp256k1_start(SECP256K1_START_VERIFY);
 
-    secp256k1_fe_t x;
-    const secp256k1_num_t *order = &secp256k1_ge_consts->order;
-    secp256k1_num_t r, s, m;
-    secp256k1_num_init(&r);
-    secp256k1_num_init(&s);
-    secp256k1_num_init(&m);
-    secp256k1_ecdsa_sig_t sig;
-    secp256k1_ecdsa_sig_init(&sig);
-    secp256k1_fe_set_hex(&x, "a357ae915c4a65281309edf20504740f0eb3343990216b4f81063cb65f2f7e0f", 64);
-    int cnt = 0;
     int good = 0;
+    unsigned char pubkey[33] = {0x02,0x1f,0x98,0xb7,0x3c,0xbd,0xd4,0x06,0xf3,0x49,0xa9,0x6c,0x2d,0xcb,0x7a,0xf7,0x01,0xe0,0xbd,0x07,0xdf,0xe9,0x17,0xae,0x0e,0x43,0x85,0x63,0xf0,0xff,0x7b,0xab,0x2f};
     for (int i=0; i<1000000; i++) {
-        random_num_order(&r);
-        random_num_order(&s);
-        random_num_order(&m);
-        secp256k1_ecdsa_sig_set_rs(&sig, &r, &s);
-        secp256k1_ge_t pubkey; secp256k1_ge_set_xo(&pubkey, &x, 1);
-        if (secp256k1_ge_is_valid(&pubkey)) {
-            cnt++;
-            good += secp256k1_ecdsa_sig_verify(&sig, &pubkey, &m);
-        }
-     }
-    printf("%i/%i\n", good, cnt);
-    secp256k1_num_free(&r);
-    secp256k1_num_free(&s);
-    secp256k1_num_free(&m);
-    secp256k1_ecdsa_sig_free(&sig);
+        unsigned char msg[32];
+        secp256k1_rand256(msg);
+        unsigned char sig[72] = {0x30, 0x44, 0x02, 0x20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x02, 0x20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+        secp256k1_rand256(sig + 4);
+        secp256k1_rand256(sig + 38);
+        good += secp256k1_ecdsa_verify(msg, 32, sig, 72, pubkey, 33);
+    }
+    printf("%i\n", good);
 
-    secp256k1_ecmult_stop();
-    secp256k1_ge_stop();
-    secp256k1_fe_stop();
+    secp256k1_stop();
     return 0;
 }