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authorNick Mathewson <nickm@torproject.org>2012-11-28 14:14:35 -0500
committerNick Mathewson <nickm@torproject.org>2012-12-25 20:14:07 -0500
commit2f8fd53750737e4402adc0b896f00f789fb38181 (patch)
tree05d40fbfc13c2a67aa02c7d2a0eaee12358e805b /src/test/bench.c
parent175b2678d7dd0ff8b00b597169e4a9a0d8e86f12 (diff)
downloadtor-2f8fd53750737e4402adc0b896f00f789fb38181.tar.gz
tor-2f8fd53750737e4402adc0b896f00f789fb38181.zip
Add benchmark for DH handshake and ECDH-P-224/56 handshake
Diffstat (limited to 'src/test/bench.c')
-rw-r--r--src/test/bench.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/src/test/bench.c b/src/test/bench.c
index 2e65d0b2d4..da1ae9bc5d 100644
--- a/src/test/bench.c
+++ b/src/test/bench.c
@@ -18,6 +18,15 @@ const char tor_git_revision[] = "";
#include "or.h"
#include "relay.h"
+#include <openssl/opensslv.h>
+#include <openssl/evp.h>
+#if OPENSSL_VERSION_NUMBER >= OPENSSL_V_SERIES(1,0,0)
+#ifndef OPENSSL_NO_EC
+#include <openssl/ec.h>
+#include <openssl/ecdh.h>
+#include <openssl/obj_mac.h>
+#endif
+#endif
#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_PROCESS_CPUTIME_ID)
static uint64_t nanostart;
@@ -248,6 +257,91 @@ bench_cell_ops(void)
tor_free(cell);
}
+static void
+bench_dh(void)
+{
+ const int iters = 1<<10;
+ int i;
+ uint64_t start, end;
+
+ reset_perftime();
+ start = perftime();
+ for (i = 0; i < iters; ++i) {
+ char dh_pubkey_a[DH_BYTES], dh_pubkey_b[DH_BYTES];
+ char secret_a[DH_BYTES], secret_b[DH_BYTES];
+ ssize_t slen_a, slen_b;
+ crypto_dh_t *dh_a = crypto_dh_new(DH_TYPE_TLS);
+ crypto_dh_t *dh_b = crypto_dh_new(DH_TYPE_TLS);
+ crypto_dh_generate_public(dh_a);
+ crypto_dh_generate_public(dh_b);
+ crypto_dh_get_public(dh_a, dh_pubkey_a, sizeof(dh_pubkey_a));
+ crypto_dh_get_public(dh_b, dh_pubkey_b, sizeof(dh_pubkey_b));
+ slen_a = crypto_dh_compute_secret(LOG_NOTICE,
+ dh_a, dh_pubkey_b, sizeof(dh_pubkey_b),
+ secret_a, sizeof(secret_a));
+ slen_b = crypto_dh_compute_secret(LOG_NOTICE,
+ dh_b, dh_pubkey_a, sizeof(dh_pubkey_a),
+ secret_b, sizeof(secret_b));
+ tor_assert(slen_a == slen_b);
+ tor_assert(!memcmp(secret_a, secret_b, slen_a));
+ crypto_dh_free(dh_a);
+ crypto_dh_free(dh_b);
+ }
+ end = perftime();
+ printf("Complete DH handshakes (1024 bit, public and private ops):\n"
+ " %f millisec each.\n", NANOCOUNT(start, end, iters)/1e6);
+}
+
+#if (!defined(OPENSSL_NO_EC) \
+ && OPENSSL_VERSION_NUMBER >= OPENSSL_V_SERIES(1,0,0))
+#define HAVE_EC_BENCHMARKS
+static void
+bench_ecdh_impl(int nid, const char *name)
+{
+ const int iters = 1<<10;
+ int i;
+ uint64_t start, end;
+
+ reset_perftime();
+ start = perftime();
+ for (i = 0; i < iters; ++i) {
+ char secret_a[DH_BYTES], secret_b[DH_BYTES];
+ ssize_t slen_a, slen_b;
+ EC_KEY *dh_a = EC_KEY_new_by_curve_name(nid);
+ EC_KEY *dh_b = EC_KEY_new_by_curve_name(nid);
+
+ EC_KEY_generate_key(dh_a);
+ EC_KEY_generate_key(dh_b);
+ slen_a = ECDH_compute_key(secret_a, DH_BYTES,
+ EC_KEY_get0_public_key(dh_b), dh_a,
+ NULL);
+ slen_b = ECDH_compute_key(secret_b, DH_BYTES,
+ EC_KEY_get0_public_key(dh_a), dh_b,
+ NULL);
+
+ tor_assert(slen_a == slen_b);
+ tor_assert(!memcmp(secret_a, secret_b, slen_a));
+ EC_KEY_free(dh_a);
+ EC_KEY_free(dh_b);
+ }
+ end = perftime();
+ printf("Complete ECDH %s handshakes (2 public and 2 private ops):\n"
+ " %f millisec each.\n", name, NANOCOUNT(start, end, iters)/1e6);
+}
+
+static void
+bench_ecdh_p256(void)
+{
+ bench_ecdh_impl(NID_X9_62_prime256v1, "P-256");
+}
+
+static void
+bench_ecdh_p224(void)
+{
+ bench_ecdh_impl(NID_secp224r1, "P-224");
+}
+#endif
+
typedef void (*bench_fn)(void);
typedef struct benchmark_t {
@@ -263,6 +357,11 @@ static struct benchmark_t benchmarks[] = {
ENT(aes),
ENT(cell_aes),
ENT(cell_ops),
+ ENT(dh),
+#ifdef HAVE_EC_BENCHMARKS
+ ENT(ecdh_p256),
+ ENT(ecdh_p224),
+#endif
{NULL,NULL,0}
};