2 This file is part of GNUnet.
3 Copyright (C) 2002, 2003, 2004, 2006 GNUnet e.V.
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 SPDX-License-Identifier: AGPL3.0-or-later
22 * @author Christian Grothoff
23 * @file util/perf_crypto_hash.c
24 * @brief measure performance of hash function
27 #include "gnunet_util_lib.h"
35 struct GNUNET_HashCode hc;
39 memset (buf, 1, sizeof(buf));
40 for (i = 0; i < 1024; i++)
41 GNUNET_CRYPTO_hash (buf, sizeof(buf), &hc);
48 struct GNUNET_HashCode hc;
52 memset (buf, 1, sizeof(buf));
53 for (i = 0; i < 1024; i++)
54 GNUNET_CRYPTO_hash (buf, sizeof(buf), &hc);
66 memset (buf, 1, sizeof(buf));
67 memset (skm, 2, sizeof(skm));
68 for (i = 0; i < 1024; i++)
69 GNUNET_CRYPTO_hkdf (res, sizeof(res),
70 GCRY_MD_SHA512, GCRY_MD_SHA256,
79 main (int argc, char *argv[])
81 struct GNUNET_TIME_Absolute start;
83 start = GNUNET_TIME_absolute_get ();
85 printf ("1024x 64-byte Hash perf took %s\n",
86 GNUNET_STRINGS_relative_time_to_string (
87 GNUNET_TIME_absolute_get_duration (start),
90 start = GNUNET_TIME_absolute_get ();
92 printf ("1024x 64k Hash perf took %s\n",
93 GNUNET_STRINGS_relative_time_to_string (
94 GNUNET_TIME_absolute_get_duration (start),
96 GAUGER ("UTIL", "Cryptographic hashing",
98 + GNUNET_TIME_absolute_get_duration
99 (start).rel_value_us / 1000LL), "kb/ms");
100 start = GNUNET_TIME_absolute_get ();
102 printf ("HKDF perf took %s\n",
103 GNUNET_STRINGS_relative_time_to_string (
104 GNUNET_TIME_absolute_get_duration (start),
106 GAUGER ("UTIL", "Cryptographic HKDF",
108 + GNUNET_TIME_absolute_get_duration
109 (start).rel_value_us / 1000LL), "kb/ms");
114 /* end of perf_crypto_hash.c */