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Diffstat (limited to 'nss/lib/freebl/mpi/tests/mptest-4a.c')
-rw-r--r--nss/lib/freebl/mpi/tests/mptest-4a.c154
1 files changed, 79 insertions, 75 deletions
diff --git a/nss/lib/freebl/mpi/tests/mptest-4a.c b/nss/lib/freebl/mpi/tests/mptest-4a.c
index 46d4a4d..0c8e188 100644
--- a/nss/lib/freebl/mpi/tests/mptest-4a.c
+++ b/nss/lib/freebl/mpi/tests/mptest-4a.c
@@ -1,5 +1,5 @@
-/*
- * mptest4a - modular exponentiation speed test
+/*
+ * 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
@@ -17,89 +17,93 @@
#include "mpprime.h"
typedef struct {
- unsigned int sec;
- unsigned int usec;
+ unsigned int sec;
+ unsigned int usec;
} instant_t;
-instant_t now(void)
+instant_t
+now(void)
{
- struct timeval clk;
- instant_t res;
+ struct timeval clk;
+ instant_t res;
- res.sec = res.usec = 0;
+ res.sec = res.usec = 0;
- if(gettimeofday(&clk, NULL) != 0)
- return res;
+ if (gettimeofday(&clk, NULL) != 0)
+ return res;
- res.sec = clk.tv_sec;
- res.usec = clk.tv_usec;
+ res.sec = clk.tv_sec;
+ res.usec = clk.tv_usec;
- return res;
+ return res;
}
extern mp_err s_mp_pad();
-int main(int argc, char *argv[])
+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;
+ 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;
}