diff options
Diffstat (limited to 'security/nss/lib/freebl/mpi/tests/mptest-4a.c')
-rw-r--r-- | security/nss/lib/freebl/mpi/tests/mptest-4a.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/security/nss/lib/freebl/mpi/tests/mptest-4a.c b/security/nss/lib/freebl/mpi/tests/mptest-4a.c deleted file mode 100644 index 0c8e18872..000000000 --- a/security/nss/lib/freebl/mpi/tests/mptest-4a.c +++ /dev/null @@ -1,109 +0,0 @@ -/* - * mptest4a - modular exponentiation speed test - * - * This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <limits.h> -#include <time.h> - -#include <sys/time.h> - -#include "mpi.h" -#include "mpprime.h" - -typedef struct { - unsigned int sec; - unsigned int usec; -} instant_t; - -instant_t -now(void) -{ - struct timeval clk; - instant_t res; - - res.sec = res.usec = 0; - - if (gettimeofday(&clk, NULL) != 0) - return res; - - res.sec = clk.tv_sec; - res.usec = clk.tv_usec; - - return res; -} - -extern mp_err s_mp_pad(); - -int -main(int argc, char *argv[]) -{ - int ix, num, prec = 8; - unsigned int d; - instant_t start, finish; - time_t seed; - mp_int a, m, c; - - seed = time(NULL); - - if (argc < 2) { - fprintf(stderr, "Usage: %s <num-tests> [<precision>]\n", argv[0]); - return 1; - } - - if ((num = atoi(argv[1])) < 0) - num = -num; - - if (!num) { - fprintf(stderr, "%s: must perform at least 1 test\n", argv[0]); - return 1; - } - - if (argc > 2) { - if ((prec = atoi(argv[2])) <= 0) - prec = 8; - } - - printf("Test 3a: Modular exponentiation timing test\n" - "Precision: %d digits (%d bits)\n" - "# of tests: %d\n\n", - prec, prec * DIGIT_BIT, num); - - mp_init_size(&a, prec); - mp_init_size(&m, prec); - mp_init_size(&c, prec); - s_mp_pad(&a, prec); - s_mp_pad(&m, prec); - s_mp_pad(&c, prec); - - printf("Testing modular exponentiation ... \n"); - srand((unsigned int)seed); - - start = now(); - for (ix = 0; ix < num; ix++) { - mpp_random(&a); - mpp_random(&c); - mpp_random(&m); - mp_exptmod(&a, &c, &m, &c); - } - finish = now(); - - d = (finish.sec - start.sec) * 1000000; - d -= start.usec; - d += finish.usec; - - printf("Total time elapsed: %u usec\n", d); - printf("Time per exponentiation: %u usec (%.3f sec)\n", - (d / num), (double)(d / num) / 1000000); - - mp_clear(&c); - mp_clear(&a); - mp_clear(&m); - - return 0; -} |