130 lines
2.5 KiB
C
130 lines
2.5 KiB
C
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#include <stdio.h>
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#include <time.h>
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#include <library.h>
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#include <debug.h>
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#include <crypto/diffie_hellman.h>
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static void usage()
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{
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printf("usage: dh_speed plugins rounds group1 [group2 [...]]\n");
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exit(1);
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}
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struct {
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char *name;
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diffie_hellman_group_t group;
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} groups[] = {
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{"modp768", MODP_768_BIT},
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{"modp1024", MODP_1024_BIT},
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{"modp1536", MODP_1536_BIT},
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{"modp2048", MODP_2048_BIT},
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{"modp3072", MODP_3072_BIT},
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{"modp4096", MODP_4096_BIT},
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{"modp6144", MODP_6144_BIT},
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{"modp8192", MODP_8192_BIT},
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{"ecp256", ECP_256_BIT},
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{"ecp384", ECP_384_BIT},
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{"ecp521", ECP_521_BIT},
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{"ecp192", ECP_192_BIT},
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{"ecp224", ECP_224_BIT},
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};
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static void start_timing(struct timespec *start)
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{
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clock_gettime(CLOCK_THREAD_CPUTIME_ID, start);
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}
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static double end_timing(struct timespec *start)
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{
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struct timespec end;
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clock_gettime(CLOCK_THREAD_CPUTIME_ID, &end);
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return (end.tv_nsec - start->tv_nsec) / 1000000000.0 +
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(end.tv_sec - start->tv_sec) * 1.0;
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}
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static void run_test(diffie_hellman_group_t group, int rounds)
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{
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diffie_hellman_t *l[rounds], *r;
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chunk_t chunk;
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struct timespec timing;
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int round;
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r = lib->crypto->create_dh(lib->crypto, group);
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if (!r)
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{
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printf("skipping %N, not supported\n",
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diffie_hellman_group_names, group);
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return;
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}
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printf("%N:\t",
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diffie_hellman_group_names, group);
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start_timing(&timing);
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for (round = 0; round < rounds; round++)
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{
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l[round] = lib->crypto->create_dh(lib->crypto, group);
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}
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printf("A = g^a/s: %8.1f", rounds / end_timing(&timing));
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for (round = 0; round < rounds; round++)
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{
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l[round]->get_my_public_value(l[round], &chunk);
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r->set_other_public_value(r, chunk);
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chunk_free(&chunk);
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}
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r->get_my_public_value(r, &chunk);
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start_timing(&timing);
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for (round = 0; round < rounds; round++)
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{
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l[round]->set_other_public_value(l[round], chunk);
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}
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printf(" | S = B^a/s: %8.1f\n", rounds / end_timing(&timing));
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chunk_free(&chunk);
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for (round = 0; round < rounds; round++)
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{
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l[round]->destroy(l[round]);
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}
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r->destroy(r);
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}
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int main(int argc, char *argv[])
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{
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int rounds, i, j;
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if (argc < 4)
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{
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usage();
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}
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library_init(STRONGSWAN_CONF);
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lib->plugins->load(lib->plugins, IPSEC_PLUGINDIR, argv[1]);
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atexit(library_deinit);
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rounds = atoi(argv[2]);
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for (i = 3; i < argc; i++)
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{
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bool found = FALSE;
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for (j = 0; j < countof(groups); j++)
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{
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if (streq(groups[j].name, argv[i]))
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{
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run_test(groups[j].group, rounds);
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found = TRUE;
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}
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}
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if (!found)
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{
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printf("group %s not found\n", argv[i]);
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}
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}
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return 0;
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}
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