Added test_hash.

[silc.git] / lib / silccrypt / tests / test_hash.c

diff --git a/lib/silccrypt/tests/test_hash.c b/lib/silccrypt/tests/test_hash.c
new file mode 100644 (file)
index 0000000..dd8f983
--- /dev/null
+++ b/lib/silccrypt/tests/test_hash.c
@@ -0,0 +1,80 @@
+/*
+
+  test_hash.c
+
+  Author: Pekka Riikonen <priikone@silcnet.org>
+
+  Copyright (C) 2007 Pekka Riikonen
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; version 2 of the License.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+*/
+
+#include "silc.h"
+
+#define HASH_LEN 0x0002ffff    /* hash data len (at least) */
+#define HASH_ROUND 256         /* hash rounds (at least) */
+#define HASH_MIN_TIME 2.0       /* seconds to run the test (at least) */
+
+SilcTimerStruct timer;
+SilcHash hash;
+
+int main(int argc, char **argv)
+{
+  SilcUInt64 sec;
+  SilcUInt32 usec;
+  double totsec;
+  unsigned char *data;
+  SilcUInt32 rounds;
+  unsigned char digest[SILC_HASH_MAXLEN];
+  int i, k;
+
+  data = malloc(HASH_LEN * sizeof(*data));
+  if (!data)
+    exit(1);
+
+  for (i = 0; i < HASH_LEN; i++)
+    data[i] = i % 255;
+
+  silc_timer_synchronize(&timer);
+
+  for (i = 0; silc_default_hash[i].name; i++) {
+    if (!silc_hash_alloc(silc_default_hash[i].name, &hash))
+      exit(1);
+    silc_hash_init(hash);
+
+    rounds = HASH_ROUND;
+
+  retry:
+    silc_timer_start(&timer);
+    for (k = 0; k < rounds; k++)
+      silc_hash_update(hash, data, HASH_LEN);
+    silc_timer_stop(&timer);
+    silc_hash_final(hash, digest);
+
+    silc_timer_value(&timer, &sec, &usec);
+    totsec = (double)sec;
+    totsec += ((double)usec / (double)(1000 * 1000));
+    if (totsec < HASH_MIN_TIME) {
+      rounds *= 2;
+      goto retry;
+    }
+
+    printf("%s:\t%.2f KB (%.2f MB) / sec (total test time %.2f secs)\n",
+          silc_default_hash[i].name,
+          (((double)(HASH_LEN * rounds) / 1024.0) / totsec),
+          (((double)(HASH_LEN * rounds) / (1024.0 * 1024.0)) / totsec),
+          totsec);
+
+    silc_hash_free(hash);
+  }
+
+  return 0;
+}