Moved debug.[ch] to utils folder
[strongswan.git] / scripts / dh_speed.c
1 /*
2 * Copyright (C) 2009 Martin Willi
3 * Hochschule fuer Technik Rapperswil
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * for more details.
14 */
15
16 #include <stdio.h>
17 #include <time.h>
18 #include <library.h>
19 #include <utils/debug.h>
20 #include <crypto/diffie_hellman.h>
21
22 static void usage()
23 {
24 printf("usage: dh_speed plugins rounds group1 [group2 [...]]\n");
25 exit(1);
26 }
27
28 struct {
29 char *name;
30 diffie_hellman_group_t group;
31 } groups[] = {
32 {"modp768", MODP_768_BIT},
33 {"modp1024", MODP_1024_BIT},
34 {"modp1024s160", MODP_1024_160},
35 {"modp1536", MODP_1536_BIT},
36 {"modp2048", MODP_2048_BIT},
37 {"modp2048s224", MODP_2048_224},
38 {"modp2048s256", MODP_2048_256},
39 {"modp3072", MODP_3072_BIT},
40 {"modp4096", MODP_4096_BIT},
41 {"modp6144", MODP_6144_BIT},
42 {"modp8192", MODP_8192_BIT},
43 {"ecp256", ECP_256_BIT},
44 {"ecp384", ECP_384_BIT},
45 {"ecp521", ECP_521_BIT},
46 {"ecp192", ECP_192_BIT},
47 {"ecp224", ECP_224_BIT},
48 };
49
50 static void start_timing(struct timespec *start)
51 {
52 clock_gettime(CLOCK_THREAD_CPUTIME_ID, start);
53 }
54
55 static double end_timing(struct timespec *start)
56 {
57 struct timespec end;
58
59 clock_gettime(CLOCK_THREAD_CPUTIME_ID, &end);
60 return (end.tv_nsec - start->tv_nsec) / 1000000000.0 +
61 (end.tv_sec - start->tv_sec) * 1.0;
62 }
63
64 static void run_test(diffie_hellman_group_t group, int rounds)
65 {
66 diffie_hellman_t *l[rounds], *r;
67 chunk_t chunk;
68 struct timespec timing;
69 int round;
70
71 r = lib->crypto->create_dh(lib->crypto, group);
72 if (!r)
73 {
74 printf("skipping %N, not supported\n",
75 diffie_hellman_group_names, group);
76 return;
77 }
78
79 printf("%N:\t",
80 diffie_hellman_group_names, group);
81
82 start_timing(&timing);
83 for (round = 0; round < rounds; round++)
84 {
85 l[round] = lib->crypto->create_dh(lib->crypto, group);
86 }
87 printf("A = g^a/s: %8.1f", rounds / end_timing(&timing));
88
89 for (round = 0; round < rounds; round++)
90 {
91 l[round]->get_my_public_value(l[round], &chunk);
92 r->set_other_public_value(r, chunk);
93 chunk_free(&chunk);
94 }
95
96 r->get_my_public_value(r, &chunk);
97 start_timing(&timing);
98 for (round = 0; round < rounds; round++)
99 {
100 l[round]->set_other_public_value(l[round], chunk);
101 }
102 printf(" | S = B^a/s: %8.1f\n", rounds / end_timing(&timing));
103 chunk_free(&chunk);
104
105 for (round = 0; round < rounds; round++)
106 {
107 l[round]->destroy(l[round]);
108 }
109 r->destroy(r);
110 }
111
112 int main(int argc, char *argv[])
113 {
114 int rounds, i, j;
115
116 if (argc < 4)
117 {
118 usage();
119 }
120
121 library_init(NULL);
122 lib->plugins->load(lib->plugins, NULL, argv[1]);
123 atexit(library_deinit);
124
125 rounds = atoi(argv[2]);
126
127 for (i = 3; i < argc; i++)
128 {
129 bool found = FALSE;
130
131 for (j = 0; j < countof(groups); j++)
132 {
133 if (streq(groups[j].name, argv[i]))
134 {
135 run_test(groups[j].group, rounds);
136 found = TRUE;
137 }
138 }
139 if (!found)
140 {
141 printf("group %s not found\n", argv[i]);
142 }
143 }
144 return 0;
145 }
146