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diff --git a/src/lib/util/perf_crypto_cs.c b/src/lib/util/perf_crypto_cs.c
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1/*
2 This file is part of GNUnet.
3 Copyright (C) 2014 GNUnet e.V.
4
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.
9
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.
14
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/>.
17
18 SPDX-License-Identifier: AGPL3.0-or-later
19 */
20
21/**
22 * @author Lucien Heuzeveldt <lucienclaude.heuzeveldt@students.bfh.ch>
23 * @author Gian Demarmels <gian@demarmels.org>
24 * @file util/perf_crypto_cs.c
25 * @brief measure performance of Clause Blind Schnorr Signatures
26 */
27
28
29#include "platform.h"
30#include "gnunet_util_lib.h"
31#include <gauger.h>
32
33#define ITER 10
34
35/**
36 * Evaluate Clause Blind Schnorr Signature performance.
37 *
38 */
39static void
40eval ()
41{
42 struct GNUNET_TIME_Absolute start;
43 unsigned int i;
44
45 struct GNUNET_CRYPTO_CsPrivateKey priv;
46 struct GNUNET_CRYPTO_CsPublicKey pub;
47
48 struct GNUNET_CRYPTO_CsRSecret r_priv[2];
49 struct GNUNET_CRYPTO_CsRPublic r_pub[2];
50
51 char message[] = "test message";
52 size_t message_len = strlen ("test message");
53
54 // derive a test nonce
55 struct GNUNET_CRYPTO_CsNonce nonce;
56 GNUNET_assert (GNUNET_YES == GNUNET_CRYPTO_hkdf (nonce.nonce,
57 sizeof(nonce.nonce),
58 GCRY_MD_SHA512,
59 GCRY_MD_SHA256,
60 "nonce",
61 strlen ("nonce"),
62 "nonce_secret",
63 strlen ("nonce_secret"),
64 NULL,
65 0));
66
67 struct GNUNET_CRYPTO_CsBlindingSecret bs[2];
68 struct GNUNET_CRYPTO_CsC blinded_cs[2];
69 struct GNUNET_CRYPTO_CsRPublic blinded_r_pub[2];
70 struct GNUNET_CRYPTO_CsBlindS blinded_s;
71 struct GNUNET_CRYPTO_CsS signature_scalar;
72 struct GNUNET_CRYPTO_CsSignature sig;
73
74 // BENCHMARK keygen
75 start = GNUNET_TIME_absolute_get ();
76
77 for (i = 0; i < ITER; i++)
78 {
79 GNUNET_CRYPTO_cs_private_key_generate (&priv);
80 GNUNET_CRYPTO_cs_private_key_get_public (&priv, &pub);
81 }
82 printf ("10x key generation took %s\n",
83 GNUNET_STRINGS_relative_time_to_string (
84 GNUNET_TIME_absolute_get_duration (start),
85 GNUNET_YES));
86
87
88 // BENCHMARK r derive and calc R pub
89 start = GNUNET_TIME_absolute_get ();
90 for (i = 0; i < ITER; i++)
91 {
92 GNUNET_CRYPTO_cs_r_derive (&nonce, &priv, r_priv);
93 GNUNET_CRYPTO_cs_r_get_public (&r_priv[0], &r_pub[0]);
94 GNUNET_CRYPTO_cs_r_get_public (&r_priv[1], &r_pub[1]);
95 }
96 printf ("10x r0, r1 derive and R1,R2 calculation took %s\n",
97 GNUNET_STRINGS_relative_time_to_string (
98 GNUNET_TIME_absolute_get_duration (start),
99 GNUNET_YES));
100
101
102 // BENCHMARK derive blinding secrets
103 start = GNUNET_TIME_absolute_get ();
104 for (i = 0; i < ITER; i++)
105 {
106 GNUNET_CRYPTO_cs_blinding_secrets_derive (&nonce,
107 bs);
108 }
109 printf ("10x derive blinding secrets took %s\n",
110 GNUNET_STRINGS_relative_time_to_string (
111 GNUNET_TIME_absolute_get_duration (start),
112 GNUNET_YES));
113
114
115 // BENCHMARK calculating C
116 start = GNUNET_TIME_absolute_get ();
117 for (i = 0; i < ITER; i++)
118 {
119 GNUNET_CRYPTO_cs_calc_blinded_c (bs,
120 r_pub,
121 &pub,
122 message,
123 message_len,
124 blinded_cs,
125 blinded_r_pub);
126 }
127 printf ("10x calculating the blinded c took %s\n",
128 GNUNET_STRINGS_relative_time_to_string (
129 GNUNET_TIME_absolute_get_duration (start),
130 GNUNET_YES));
131
132
133 // BENCHMARK sign derive
134 unsigned int b;
135 start = GNUNET_TIME_absolute_get ();
136 for (i = 0; i < ITER; i++)
137 {
138 b = GNUNET_CRYPTO_cs_sign_derive (&priv,
139 r_priv,
140 blinded_cs,
141 &nonce,
142 &blinded_s);
143 }
144 printf ("10x signing blinded c took %s\n",
145 GNUNET_STRINGS_relative_time_to_string (
146 GNUNET_TIME_absolute_get_duration (start),
147 GNUNET_YES));
148
149
150 // BENCHMARK unblind signature
151 start = GNUNET_TIME_absolute_get ();
152
153 for (i = 0; i < ITER; i++)
154 {
155 GNUNET_CRYPTO_cs_unblind (&blinded_s, &bs[b], &signature_scalar);
156 sig.r_point = blinded_r_pub[b];
157 sig.s_scalar = signature_scalar;
158 }
159 printf ("10x unblinding s took %s\n",
160 GNUNET_STRINGS_relative_time_to_string (
161 GNUNET_TIME_absolute_get_duration (start),
162 GNUNET_YES));
163
164 // BENCHMARK verify signature
165 start = GNUNET_TIME_absolute_get ();
166 for (i = 0; i < ITER; i++)
167 {
168 GNUNET_CRYPTO_cs_verify (&sig,
169 &pub,
170 message,
171 message_len);
172 }
173 printf ("10x verifying signatures took %s\n",
174 GNUNET_STRINGS_relative_time_to_string (
175 GNUNET_TIME_absolute_get_duration (start),
176 GNUNET_YES));
177}
178
179int
180main (int argc, char *argv[])
181{
182 eval ();
183 return 0;
184}
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