2 This file is part of GNUnet.
3 Copyright (C) 2015 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 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 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
23 * @file util/perf_crypto_asymmetric.c
24 * @brief measure performance of public key functions
27 #include "gnunet_util_lib.h"
30 static struct GNUNET_TIME_Absolute start;
36 struct GNUNET_CRYPTO_EccSignaturePurpose purp;
37 struct GNUNET_HashCode h;
38 struct GNUNET_CRYPTO_EddsaSignature sig;
43 log_duration (const char *cryptosystem,
44 const char *description)
46 struct GNUNET_TIME_Relative t;
49 sprintf (s, "%6s %15s", cryptosystem, description);
50 t = GNUNET_TIME_absolute_get_duration (start);
51 t = GNUNET_TIME_relative_divide (t, l);
55 GNUNET_STRINGS_relative_time_to_string (t,
57 GAUGER ("UTIL", s, t.rel_value_us, "us");
62 main (int argc, char *argv[])
65 struct GNUNET_CRYPTO_EcdhePrivateKey *ecdhe[l];
66 struct GNUNET_CRYPTO_EcdhePublicKey dhpub[l];
67 struct GNUNET_CRYPTO_EddsaPrivateKey *eddsa[l];
68 struct GNUNET_CRYPTO_EddsaPublicKey dspub[l];
69 struct TestSig sig[l];
71 start = GNUNET_TIME_absolute_get();
72 for (i = 0; i < l; i++)
74 sig[i].purp.purpose = 0;
75 sig[i].purp.size = htonl (sizeof (struct GNUNET_CRYPTO_EccSignaturePurpose)
76 + sizeof (struct GNUNET_HashCode));
77 GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
78 &sig[i].h, sizeof (&sig[0].h));
80 log_duration ("", "Init");
82 start = GNUNET_TIME_absolute_get();
83 for (i = 0; i < l; i++)
84 eddsa[i] = GNUNET_CRYPTO_eddsa_key_create();
85 log_duration ("EdDSA", "create key");
87 start = GNUNET_TIME_absolute_get();
88 for (i = 0; i < l; i++)
89 GNUNET_CRYPTO_eddsa_key_get_public (eddsa[i], &dspub[i]);
90 log_duration ("EdDSA", "get pubilc");
92 start = GNUNET_TIME_absolute_get();
93 for (i = 0; i < l; i++)
94 GNUNET_CRYPTO_eddsa_sign (eddsa[i], &sig[i].purp, &sig[i].sig);
95 log_duration ("EdDSA", "sign HashCode");
97 start = GNUNET_TIME_absolute_get();
98 for (i = 0; i < l; i++)
99 GNUNET_CRYPTO_eddsa_verify (0, &sig[i].purp, &sig[i].sig, &dspub[i]);
100 log_duration ("EdDSA", "verify HashCode");
102 start = GNUNET_TIME_absolute_get();
103 for (i = 0; i < l; i++)
104 ecdhe[i] = GNUNET_CRYPTO_ecdhe_key_create();
105 log_duration ("ECDH", "create key");
107 start = GNUNET_TIME_absolute_get();
108 for (i = 0; i < l; i++)
109 GNUNET_CRYPTO_ecdhe_key_get_public (ecdhe[i], &dhpub[i]);
110 log_duration ("ECDH", "get public");
112 start = GNUNET_TIME_absolute_get();
113 for (i = 0; i < l - 1; i+=2)
115 GNUNET_CRYPTO_ecc_ecdh (ecdhe[i], &dhpub[i+1], &sig[i].h);
116 GNUNET_CRYPTO_ecc_ecdh (ecdhe[i+1], &dhpub[i], &sig[i+i].h);
118 log_duration ("ECDH", "do DH");
123 /* end of perf_crypto_asymmetric.c */