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allow building against tfm

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This commit is contained in:
Steffen Jaeckel 2019-11-08 01:57:40 +01:00
parent 6bbb068c92
commit cebe1603f6
1 changed files with 19 additions and 5 deletions
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24
demos/timing.c
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@ -12,6 +12,9 @@
#define PRI64 "ll"
#endif
#ifdef TFM_DESC
#include <tfm.h>
#endif
#define DO(x) do{ \
int err; \
@ -672,6 +675,18 @@ static void time_prng(void)
}
}
static int check_tfm_limit(unsigned long x)
{
#ifdef TFM_DESC
if (strcasecmp(ltc_mp.name, "tomsfastmath") == 0) {
if (x * 2 > FP_MAX_SIZE) return 1;
}
#else
LTC_UNUSED_PARAM(x);
#endif
return 0;
}
#if defined(LTC_MDSA)
/* time various DSA operations */
static void time_dsa(void)
@ -689,15 +704,14 @@ static void time_dsa(void)
{ 20, 128 },
{ 24, 192 },
{ 28, 256 },
#ifndef TFM_DESC
{ 32, 512 },
#endif
};
if (ltc_mp.name == NULL) return;
print_csv_header("group", "modulus");
for (x = 0; x < (sizeof(groups) / sizeof(groups[0])); x++) {
if (check_tfm_limit(groups[x].modulus * 8)) break;
t2 = 0;
for (y = 0; y < 4; y++) {
t_start();
@ -733,7 +747,6 @@ static void time_dsa(void)
static void time_dsa(void) { fprintf(stderr, "NO DSA\n"); }
#endif
#if defined(LTC_MRSA)
/* time various RSA operations */
static void time_rsa(void)
@ -749,6 +762,7 @@ static void time_rsa(void)
print_csv_header("keysize", NULL);
for (x = 2048; x <= 8192; x <<= 1) {
if (check_tfm_limit(x)) break;
#ifndef TIMING_DONT_MAKE_KEY
t2 = 0;
@ -859,9 +873,7 @@ static void time_dh(void)
ulong64 t1, t2;
unsigned long i, x, y;
static unsigned long sizes[] = {768/8, 1024/8, 1536/8, 2048/8,
#ifndef TFM_DESC
3072/8, 4096/8, 6144/8, 8192/8,
#endif
100000
};
@ -869,6 +881,7 @@ static void time_dh(void)
print_csv_header("keysize", NULL);
for (x = sizes[i=0]; x < 100000; x = sizes[++i]) {
if (check_tfm_limit(x)) break;
t2 = 0;
for (y = 0; y < 16; y++) {
DO(dh_set_pg_groupsize(x, &key));
@ -930,6 +943,7 @@ static void time_ecc(void)
print_csv_header("keysize", NULL);
for (x = ecc_key_sizes[i=0]; x < 100000; x = ecc_key_sizes[++i]) {
if (check_tfm_limit(x)) break;
#ifndef TIMING_DONT_MAKE_KEY
t2 = 0;