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timing.c
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
#include "tomcrypt_private.h"
#if defined(_WIN32)
#define PRI64 "I64d"
#else
#define PRI64 "ll"
#endif
static prng_state yarrow_prng;
/* timing */
#define KTIMES 25
#define TIMES 100000
static struct list {
int id;
ulong64 spd1, spd2, avg;
} results[100];
static int no_results;
static int sorter(const void *a, const void *b)
{
const struct list *A, *B;
A = a;
B = b;
if (A->avg < B->avg) return -1;
if (A->avg > B->avg) return 1;
return 0;
}
static void tally_results(int type)
{
int x;
/* qsort the results */
qsort(results, no_results, sizeof(struct list), &sorter);
fprintf(stderr, "\n");
if (type == 0) {
for (x = 0; x < no_results; x++) {
fprintf(stderr, "%-20s: Schedule at %6lu\n", cipher_descriptor[results[x].id].name, (unsigned long)results[x].spd1);
}
} else if (type == 1) {
for (x = 0; x < no_results; x++) {
printf
("%-20s[%3d]: Encrypt at %5"PRI64"u, Decrypt at %5"PRI64"u\n", cipher_descriptor[results[x].id].name, cipher_descriptor[results[x].id].ID, results[x].spd1, results[x].spd2);
}
} else {
for (x = 0; x < no_results; x++) {
printf
("%-20s: Process at %5"PRI64"u\n", hash_descriptor[results[x].id].name, results[x].spd1 / 1000);
}
}
}
/* RDTSC from Scott Duplichan */
static ulong64 rdtsc (void)
{
#if defined __GNUC__ && !defined(LTC_NO_ASM)
#if defined(__i386__) || defined(__x86_64__)
/* version from http://www.mcs.anl.gov/~kazutomo/rdtsc.html
* the old code always got a warning issued by gcc, clang did not complain...
*/
unsigned hi, lo;
__asm__ __volatile__ ("rdtsc" : "=a"(lo), "=d"(hi));
return ((ulong64)lo)|( ((ulong64)hi)<<32);
#elif defined(LTC_PPC32) || defined(TFM_PPC32)
unsigned long a, b;
__asm__ __volatile__ ("mftbu %1 \nmftb %0\n":"=r"(a), "=r"(b));
return (((ulong64)b) << 32ULL) | ((ulong64)a);
#elif defined(__ia64__) /* gcc-IA64 version */
unsigned long result;
__asm__ __volatile__("mov %0=ar.itc" : "=r"(result) :: "memory");
while (__builtin_expect ((int) result == -1, 0))
__asm__ __volatile__("mov %0=ar.itc" : "=r"(result) :: "memory");
return result;
#elif defined(__sparc__)
#if defined(__arch64__)
ulong64 a;
asm volatile("rd %%tick,%0" : "=r" (a));
return a;
#else
register unsigned long x, y;
__asm__ __volatile__ ("rd %%tick, %0; clruw %0, %1; srlx %0, 32, %0" : "=r" (x), "=r" (y) : "0" (x), "1" (y));
return ((unsigned long long) x << 32) | y;
#endif
#elif defined(__aarch64__)
ulong64 CNTVCT_EL0;
__asm__ __volatile__ ("mrs %0, cntvct_el0" : "=r"(CNTVCT_EL0));
return CNTVCT_EL0;
#else
return XCLOCK();
#endif
/* Microsoft and Intel Windows compilers */
#elif defined _M_IX86 && !defined(LTC_NO_ASM)
__asm rdtsc
#elif defined _M_AMD64 && !defined(LTC_NO_ASM)
return __rdtsc ();
#elif defined _M_IA64 && !defined(LTC_NO_ASM)
#if defined __INTEL_COMPILER
#include <ia64intrin.h>
#endif
return __getReg (3116);
#else
return XCLOCK();
#endif
}
static ulong64 timer, skew = 0;
static void t_start(void)
{
timer = rdtsc();
}
static ulong64 t_read(void)
{
return rdtsc() - timer;
}
static void init_timer(void)
{
ulong64 c1, c2, t1, t2;
unsigned long y1;
c1 = c2 = (ulong64)-1;
for (y1 = 0; y1 < TIMES*100; y1++) {
t_start();
t1 = t_read();
t2 = (t_read() - t1)>>1;
c1 = (t1 > c1) ? t1 : c1;
c2 = (t2 > c2) ? t2 : c2;
}
skew = c2 - c1;
fprintf(stderr, "Clock Skew: %lu\n", (unsigned long)skew);
}
static void time_keysched(void)
{
unsigned long x, y1;
ulong64 t1, c1;
symmetric_key skey;
int kl;
int (*func) (const unsigned char *, int , int , symmetric_key *);
unsigned char key[MAXBLOCKSIZE];
fprintf(stderr, "\n\nKey Schedule Time Trials for the Symmetric Ciphers:\n(Times are cycles per key)\n");
no_results = 0;
for (x = 0; cipher_descriptor[x].name != NULL; x++) {
#define DO1(k) func(k, kl, 0, &skey);
func = cipher_descriptor[x].setup;
kl = cipher_descriptor[x].min_key_length;
c1 = (ulong64)-1;
for (y1 = 0; y1 < KTIMES; y1++) {
yarrow_read(key, kl, &yarrow_prng);
t_start();
DO1(key);
t1 = t_read();
c1 = (t1 > c1) ? c1 : t1;
}
t1 = c1 - skew;
results[no_results].spd1 = results[no_results].avg = t1;
results[no_results++].id = x;
fprintf(stderr, "."); fflush(stdout);
#undef DO1
}
tally_results(0);
}
#ifdef LTC_ECB_MODE
static void time_cipher_ecb(void)
{
unsigned long x, y1;
ulong64 t1, t2, c1, c2, a1, a2;
symmetric_ECB ecb;
unsigned char key[MAXBLOCKSIZE] = { 0 }, pt[4096] = { 0 };
int err;
fprintf(stderr, "\n\nECB Time Trials for the Symmetric Ciphers:\n");
no_results = 0;
for (x = 0; cipher_descriptor[x].name != NULL; x++) {
ecb_start(x, key, cipher_descriptor[x].min_key_length, 0, &ecb);
/* sanity check on cipher */
if ((err = cipher_descriptor[x].test()) != CRYPT_OK) {
fprintf(stderr, "\n\nERROR: Cipher %s failed self-test %s\n", cipher_descriptor[x].name, error_to_string(err));
exit(EXIT_FAILURE);
}
#define DO1 ecb_encrypt(pt, pt, sizeof(pt), &ecb);
#define DO2 DO1 DO1
c1 = c2 = (ulong64)-1;
for (y1 = 0; y1 < 100; y1++) {
t_start();
DO1;
t1 = t_read();
DO2;
t2 = t_read();
t2 -= t1;
c1 = (t1 > c1 ? c1 : t1);
c2 = (t2 > c2 ? c2 : t2);
}
a1 = c2 - c1 - skew;
#undef DO1
#undef DO2
#define DO1 ecb_decrypt(pt, pt, sizeof(pt), &ecb);
#define DO2 DO1 DO1
c1 = c2 = (ulong64)-1;
for (y1 = 0; y1 < 100; y1++) {
t_start();
DO1;
t1 = t_read();
DO2;
t2 = t_read();
t2 -= t1;
c1 = (t1 > c1 ? c1 : t1);
c2 = (t2 > c2 ? c2 : t2);
}
a2 = c2 - c1 - skew;
ecb_done(&ecb);
results[no_results].id = x;
results[no_results].spd1 = a1/(sizeof(pt)/cipher_descriptor[x].block_length);
results[no_results].spd2 = a2/(sizeof(pt)/cipher_descriptor[x].block_length);
results[no_results].avg = (results[no_results].spd1 + results[no_results].spd2+1)/2;
++no_results;
fprintf(stderr, "."); fflush(stdout);
#undef DO2
#undef DO1
}
tally_results(1);
}
#else
static void time_cipher_ecb(void) { fprintf(stderr, "NO ECB\n"); return 0; }
#endif
#ifdef LTC_CBC_MODE
static void time_cipher_cbc(void)
{
unsigned long x, y1;
ulong64 t1, t2, c1, c2, a1, a2;
symmetric_CBC cbc;
unsigned char key[MAXBLOCKSIZE] = { 0 }, pt[4096] = { 0 };
int err;
fprintf(stderr, "\n\nCBC Time Trials for the Symmetric Ciphers:\n");
no_results = 0;
for (x = 0; cipher_descriptor[x].name != NULL; x++) {
cbc_start(x, pt, key, cipher_descriptor[x].min_key_length, 0, &cbc);
/* sanity check on cipher */
if ((err = cipher_descriptor[x].test()) != CRYPT_OK) {
fprintf(stderr, "\n\nERROR: Cipher %s failed self-test %s\n", cipher_descriptor[x].name, error_to_string(err));
exit(EXIT_FAILURE);
}
#define DO1 cbc_encrypt(pt, pt, sizeof(pt), &cbc);
#define DO2 DO1 DO1
c1 = c2 = (ulong64)-1;
for (y1 = 0; y1 < 100; y1++) {
t_start();
DO1;
t1 = t_read();
DO2;
t2 = t_read();
t2 -= t1;
c1 = (t1 > c1 ? c1 : t1);
c2 = (t2 > c2 ? c2 : t2);
}
a1 = c2 - c1 - skew;
#undef DO1
#undef DO2
#define DO1 cbc_decrypt(pt, pt, sizeof(pt), &cbc);
#define DO2 DO1 DO1
c1 = c2 = (ulong64)-1;
for (y1 = 0; y1 < 100; y1++) {
t_start();
DO1;
t1 = t_read();
DO2;
t2 = t_read();
t2 -= t1;
c1 = (t1 > c1 ? c1 : t1);
c2 = (t2 > c2 ? c2 : t2);
}
a2 = c2 - c1 - skew;
cbc_done(&cbc);
results[no_results].id = x;
results[no_results].spd1 = a1/(sizeof(pt)/cipher_descriptor[x].block_length);
results[no_results].spd2 = a2/(sizeof(pt)/cipher_descriptor[x].block_length);
results[no_results].avg = (results[no_results].spd1 + results[no_results].spd2+1)/2;
++no_results;
fprintf(stderr, "."); fflush(stdout);
#undef DO2
#undef DO1
}
tally_results(1);
}
#else
static void time_cipher_cbc(void) { fprintf(stderr, "NO CBC\n"); return 0; }
#endif
#ifdef LTC_CTR_MODE
static void time_cipher_ctr(void)
{
unsigned long x, y1;
ulong64 t1, t2, c1, c2, a1, a2;
symmetric_CTR ctr;
unsigned char key[MAXBLOCKSIZE] = { 0 }, pt[4096] = { 0 };
int err;
fprintf(stderr, "\n\nCTR Time Trials for the Symmetric Ciphers:\n");
no_results = 0;
for (x = 0; cipher_descriptor[x].name != NULL; x++) {
ctr_start(x, pt, key, cipher_descriptor[x].min_key_length, 0, CTR_COUNTER_LITTLE_ENDIAN, &ctr);
/* sanity check on cipher */
if ((err = cipher_descriptor[x].test()) != CRYPT_OK) {
fprintf(stderr, "\n\nERROR: Cipher %s failed self-test %s\n", cipher_descriptor[x].name, error_to_string(err));
exit(EXIT_FAILURE);
}
#define DO1 ctr_encrypt(pt, pt, sizeof(pt), &ctr);
#define DO2 DO1 DO1
c1 = c2 = (ulong64)-1;
for (y1 = 0; y1 < 100; y1++) {
t_start();
DO1;
t1 = t_read();
DO2;
t2 = t_read();
t2 -= t1;
c1 = (t1 > c1 ? c1 : t1);
c2 = (t2 > c2 ? c2 : t2);
}
a1 = c2 - c1 - skew;
#undef DO1
#undef DO2
#define DO1 ctr_decrypt(pt, pt, sizeof(pt), &ctr);
#define DO2 DO1 DO1
c1 = c2 = (ulong64)-1;
for (y1 = 0; y1 < 100; y1++) {
t_start();
DO1;
t1 = t_read();
DO2;
t2 = t_read();
t2 -= t1;
c1 = (t1 > c1 ? c1 : t1);
c2 = (t2 > c2 ? c2 : t2);
}
a2 = c2 - c1 - skew;
ctr_done(&ctr);
results[no_results].id = x;
results[no_results].spd1 = a1/(sizeof(pt)/cipher_descriptor[x].block_length);
results[no_results].spd2 = a2/(sizeof(pt)/cipher_descriptor[x].block_length);
results[no_results].avg = (results[no_results].spd1 + results[no_results].spd2+1)/2;
++no_results;
fprintf(stderr, "."); fflush(stdout);
#undef DO2
#undef DO1
}
tally_results(1);
}
#else
static void time_cipher_ctr(void) { fprintf(stderr, "NO CTR\n"); return 0; }
#endif
#ifdef LTC_LRW_MODE
static void time_cipher_lrw(void)
{
unsigned long x, y1;
ulong64 t1, t2, c1, c2, a1, a2;
symmetric_LRW lrw;
unsigned char key[MAXBLOCKSIZE] = { 0 }, pt[4096] = { 0 };
int err;
fprintf(stderr, "\n\nLRW Time Trials for the Symmetric Ciphers:\n");
no_results = 0;
for (x = 0; cipher_descriptor[x].name != NULL; x++) {
if (cipher_descriptor[x].block_length != 16) continue;
lrw_start(x, pt, key, cipher_descriptor[x].min_key_length, key, 0, &lrw);
/* sanity check on cipher */
if ((err = cipher_descriptor[x].test()) != CRYPT_OK) {
fprintf(stderr, "\n\nERROR: Cipher %s failed self-test %s\n", cipher_descriptor[x].name, error_to_string(err));
exit(EXIT_FAILURE);
}
#define DO1 lrw_encrypt(pt, pt, sizeof(pt), &lrw);
#define DO2 DO1 DO1
c1 = c2 = (ulong64)-1;
for (y1 = 0; y1 < 100; y1++) {
t_start();
DO1;
t1 = t_read();
DO2;
t2 = t_read();
t2 -= t1;
c1 = (t1 > c1 ? c1 : t1);
c2 = (t2 > c2 ? c2 : t2);
}
a1 = c2 - c1 - skew;
#undef DO1
#undef DO2
#define DO1 lrw_decrypt(pt, pt, sizeof(pt), &lrw);
#define DO2 DO1 DO1
c1 = c2 = (ulong64)-1;
for (y1 = 0; y1 < 100; y1++) {
t_start();
DO1;
t1 = t_read();
DO2;
t2 = t_read();
t2 -= t1;
c1 = (t1 > c1 ? c1 : t1);
c2 = (t2 > c2 ? c2 : t2);
}
a2 = c2 - c1 - skew;
lrw_done(&lrw);
results[no_results].id = x;
results[no_results].spd1 = a1/(sizeof(pt)/cipher_descriptor[x].block_length);
results[no_results].spd2 = a2/(sizeof(pt)/cipher_descriptor[x].block_length);
results[no_results].avg = (results[no_results].spd1 + results[no_results].spd2+1)/2;
++no_results;
fprintf(stderr, "."); fflush(stdout);
#undef DO2
#undef DO1
}
tally_results(1);
}
#else
static void time_cipher_lrw(void) { fprintf(stderr, "NO LRW\n"); }
#endif
static void time_hash(void)
{
unsigned long x, y1, len;
ulong64 t1, t2, c1, c2;
hash_state md;
int (*func)(hash_state *, const unsigned char *, unsigned long), err;
unsigned char pt[MAXBLOCKSIZE] = { 0 };
fprintf(stderr, "\n\nHASH Time Trials for:\n");
no_results = 0;
for (x = 0; hash_descriptor[x].name != NULL; x++) {
/* sanity check on hash */
if ((err = hash_descriptor[x].test()) != CRYPT_OK) {
fprintf(stderr, "\n\nERROR: Hash %s failed self-test %s\n", hash_descriptor[x].name, error_to_string(err));
exit(EXIT_FAILURE);
}
hash_descriptor[x].init(&md);
#define DO1 func(&md,pt,len);
#define DO2 DO1 DO1
func = hash_descriptor[x].process;
len = hash_descriptor[x].blocksize;
c1 = c2 = (ulong64)-1;
for (y1 = 0; y1 < TIMES; y1++) {
t_start();
DO1;
t1 = t_read();
DO2;
t2 = t_read() - t1;
c1 = (t1 > c1) ? c1 : t1;
c2 = (t2 > c2) ? c2 : t2;
}
t1 = c2 - c1 - skew;
t1 = ((t1 * CONST64(1000))) / ((ulong64)hash_descriptor[x].blocksize);
results[no_results].id = x;
results[no_results].spd1 = results[no_results].avg = t1;
++no_results;
fprintf(stderr, "."); fflush(stdout);
#undef DO2
#undef DO1
}
tally_results(2);
}
/*#warning you need an mp_rand!!!*/
static void time_mult(void)
{
ulong64 t1, t2;
unsigned long x, y;
void *a, *b, *c;
if (ltc_mp.name == NULL) return;
fprintf(stderr, "Timing Multiplying:\n");
mp_init_multi(&a,&b,&c,NULL);
for (x = 128/MP_DIGIT_BIT; x <= (unsigned long)1536/MP_DIGIT_BIT; x += 128/MP_DIGIT_BIT) {
mp_rand(a, x);
mp_rand(b, x);
#define DO1 mp_mul(a, b, c);
#define DO2 DO1; DO1;
t2 = -1;
for (y = 0; y < TIMES; y++) {
t_start();
t1 = t_read();
DO2;
t1 = (t_read() - t1)>>1;
if (t1 < t2) t2 = t1;
}
fprintf(stderr, "%4lu bits: %9"PRI64"u cycles\n", x*MP_DIGIT_BIT, t2);
}
mp_clear_multi(a,b,c,NULL);
#undef DO1
#undef DO2
}
static void time_sqr(void)
{
ulong64 t1, t2;
unsigned long x, y;
void *a, *b;
if (ltc_mp.name == NULL) return;
fprintf(stderr, "Timing Squaring:\n");
mp_init_multi(&a,&b,NULL);
for (x = 128/MP_DIGIT_BIT; x <= (unsigned long)1536/MP_DIGIT_BIT; x += 128/MP_DIGIT_BIT) {
mp_rand(a, x);
#define DO1 mp_sqr(a, b);
#define DO2 DO1; DO1;
t2 = -1;
for (y = 0; y < TIMES; y++) {
t_start();
t1 = t_read();
DO2;
t1 = (t_read() - t1)>>1;
if (t1 < t2) t2 = t1;
}
fprintf(stderr, "%4lu bits: %9"PRI64"u cycles\n", x*MP_DIGIT_BIT, t2);
}
mp_clear_multi(a,b,NULL);
#undef DO1
#undef DO2
}
static void time_prng(void)
{
ulong64 t1, t2;
unsigned char buf[4096];
prng_state tprng;
unsigned long x, y;
int err;
typedef int (*fp_prng_start)(prng_state*);
fp_prng_start prng_start[] = {
#ifdef LTC_YARROW
yarrow_start,
#endif
#ifdef LTC_FORTUNA
fortuna_start,
#endif
#ifdef LTC_RC4
rc4_start,
#endif
#ifdef LTC_CHACHA20_PRNG
chacha20_prng_start,
#endif
#ifdef LTC_SOBER128
sober128_start,
#endif
#ifdef LTC_SPRNG
sprng_start,
#endif
NULL
};
fprintf(stderr, "Timing PRNGs (cycles/byte output, cycles add_entropy (32 bytes) :\n");
for (x = 0; prng_start[x] != NULL; x++) {
prng_start[x](&tprng);
/* sanity check on prng */
if ((err = tprng.desc.test()) != CRYPT_OK) {
fprintf(stderr, "\n\nERROR: PRNG %s failed self-test %s\n", tprng.desc.name, error_to_string(err));
exit(EXIT_FAILURE);
}
zeromem(buf, 256);
tprng.desc.add_entropy(buf, 256, &tprng);
tprng.desc.ready(&tprng);
t2 = -1;
#define DO1 if (tprng.desc.read(buf, 4096, &tprng) != 4096) { fprintf(stderr, "\n\nERROR READ != 4096\n\n"); exit(EXIT_FAILURE); }
#define DO2 DO1 DO1
for (y = 0; y < 10000; y++) {
t_start();
t1 = t_read();
DO2;
t1 = (t_read() - t1)>>1;
if (t1 < t2) t2 = t1;
}
fprintf(stderr, "%20s: %5"PRI64"u ", tprng.desc.name, t2>>12);
#undef DO2
#undef DO1
#define DO1 prng_start[x](&tprng); tprng.desc.add_entropy(buf, 32, &tprng); tprng.desc.ready(&tprng); tprng.desc.done(&tprng);
#define DO2 DO1 DO1
for (y = 0; y < 10000; y++) {
t_start();
t1 = t_read();
DO2;
t1 = (t_read() - t1)>>1;
if (t1 < t2) t2 = t1;
}
fprintf(stderr, "%5"PRI64"u\n", t2);
#undef DO2
#undef DO1
}
}
#if defined(LTC_MDSA)
/* time various DSA operations */
static void time_dsa(void)
{
dsa_key key;
ulong64 t1, t2;
unsigned long x, y;
int err;
static const struct {
int group, modulus;
} groups[] = {
{ 20, 96 },
{ 20, 128 },
{ 24, 192 },
{ 28, 256 },
#ifndef TFM_DESC
{ 32, 512 },
#endif
};
if (ltc_mp.name == NULL) return;
for (x = 0; x < (sizeof(groups)/sizeof(groups[0])); x++) {
t2 = 0;
for (y = 0; y < 4; y++) {
t_start();
t1 = t_read();
if ((err = dsa_generate_pqg(&yarrow_prng, groups[x].group, groups[x].modulus, &key)) != CRYPT_OK) {
fprintf(stderr, "\n\ndsa_generate_pqg says %s, wait...no it should say %s...damn you!\n", error_to_string(err), error_to_string(CRYPT_OK));
exit(EXIT_FAILURE);
}
if ((err = dsa_generate_key(&yarrow_prng, &key)) != CRYPT_OK) {
fprintf(stderr, "\n\ndsa_make_key says %s, wait...no it should say %s...damn you!\n", error_to_string(err), error_to_string(CRYPT_OK));
exit(EXIT_FAILURE);
}
t1 = t_read() - t1;
t2 += t1;
#ifdef LTC_PROFILE
t2 <<= 2;
break;
#endif
if (y < 3) {
dsa_free(&key);
}
}
t2 >>= 2;
fprintf(stderr, "DSA-(%lu, %lu) make_key took %15"PRI64"u cycles\n", (unsigned long)groups[x].group*8, (unsigned long)groups[x].modulus*8, t2);
dsa_free(&key);
}
fprintf(stderr, "\n\n");
}
#else
static void time_dsa(void) { fprintf(stderr, "NO DSA\n"); }
#endif
#if defined(LTC_MRSA)
/* time various RSA operations */
static void time_rsa(void)
{
rsa_key key;
ulong64 t1, t2;
unsigned char buf[2][2048] = { 0 };
unsigned long x, y, z, zzz;
int err, zz, stat;
if (ltc_mp.name == NULL) return;
for (x = 2048; x <= 8192; x <<= 1) {
t2 = 0;
for (y = 0; y < 4; y++) {
t_start();
t1 = t_read();
if ((err = rsa_make_key(&yarrow_prng, x/8, 65537, &key)) != CRYPT_OK) {
fprintf(stderr, "\n\nrsa_make_key says %s, wait...no it should say %s...damn you!\n", error_to_string(err), error_to_string(CRYPT_OK));
exit(EXIT_FAILURE);
}
t1 = t_read() - t1;
t2 += t1;
#ifdef LTC_PROFILE
t2 <<= 2;
break;
#endif
if (y < 3) {
rsa_free(&key);
}
}
t2 >>= 2;
fprintf(stderr, "RSA-%lu make_key took %15"PRI64"u cycles\n", x, t2);
t2 = 0;
for (y = 0; y < 16; y++) {
t_start();
t1 = t_read();
z = sizeof(buf[1]);
if ((err = rsa_encrypt_key(buf[0], 32, buf[1], &z, (const unsigned char *)"testprog", 8, &yarrow_prng,
find_hash("sha1"),
&key)) != CRYPT_OK) {
fprintf(stderr, "\n\nrsa_encrypt_key says %s, wait...no it should say %s...damn you!\n", error_to_string(err), error_to_string(CRYPT_OK));
exit(EXIT_FAILURE);
}
t1 = t_read() - t1;
t2 += t1;
#ifdef LTC_PROFILE
t2 <<= 4;
break;
#endif
}
t2 >>= 4;
fprintf(stderr, "RSA-%lu encrypt_key took %15"PRI64"u cycles\n", x, t2);
t2 = 0;
for (y = 0; y < 2048; y++) {
t_start();
t1 = t_read();
zzz = sizeof(buf[0]);
if ((err = rsa_decrypt_key(buf[1], z, buf[0], &zzz, (const unsigned char *)"testprog", 8, find_hash("sha1"),
&zz, &key)) != CRYPT_OK) {
fprintf(stderr, "\n\nrsa_decrypt_key says %s, wait...no it should say %s...damn you!\n", error_to_string(err), error_to_string(CRYPT_OK));
exit(EXIT_FAILURE);
}
t1 = t_read() - t1;
t2 += t1;
#ifdef LTC_PROFILE
t2 <<= 11;
break;
#endif
}
t2 >>= 11;
fprintf(stderr, "RSA-%lu decrypt_key took %15"PRI64"u cycles\n", x, t2);
t2 = 0;
for (y = 0; y < 256; y++) {
t_start();
t1 = t_read();
z = sizeof(buf[1]);
if ((err = rsa_sign_hash(buf[0], 20, buf[1], &z, &yarrow_prng,
find_hash("sha1"), 8, &key)) != CRYPT_OK) {
fprintf(stderr, "\n\nrsa_sign_hash says %s, wait...no it should say %s...damn you!\n", error_to_string(err), error_to_string(CRYPT_OK));
exit(EXIT_FAILURE);
}
t1 = t_read() - t1;
t2 += t1;
#ifdef LTC_PROFILE
t2 <<= 8;
break;
#endif
}
t2 >>= 8;
fprintf(stderr, "RSA-%lu sign_hash took %15"PRI64"u cycles\n", x, t2);
t2 = 0;
for (y = 0; y < 2048; y++) {
t_start();
t1 = t_read();
if ((err = rsa_verify_hash(buf[1], z, buf[0], 20, find_hash("sha1"), 8, &stat, &key)) != CRYPT_OK) {
fprintf(stderr, "\n\nrsa_verify_hash says %s, wait...no it should say %s...damn you!\n", error_to_string(err), error_to_string(CRYPT_OK));
exit(EXIT_FAILURE);
}
if (stat == 0) {
fprintf(stderr, "\n\nrsa_verify_hash for RSA-%lu failed to verify signature(%lu)\n", x, y);
exit(EXIT_FAILURE);
}
t1 = t_read() - t1;
t2 += t1;
#ifdef LTC_PROFILE
t2 <<= 11;
break;
#endif
}
t2 >>= 11;
fprintf(stderr, "RSA-%lu verify_hash took %15"PRI64"u cycles\n", x, t2);
fprintf(stderr, "\n\n");
rsa_free(&key);
}
}
#else
static void time_rsa(void) { fprintf(stderr, "NO RSA\n"); }
#endif
#if defined(LTC_MDH)
/* time various DH operations */
static void time_dh(void)
{
dh_key key;
ulong64 t1, t2;
unsigned long i, x, y;
int err;
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
};
if (ltc_mp.name == NULL) return;
for (x = sizes[i=0]; x < 100000; x = sizes[++i]) {
t2 = 0;
for (y = 0; y < 16; y++) {
if((err = dh_set_pg_groupsize(x, &key)) != CRYPT_OK) {
fprintf(stderr, "\n\ndh_set_pg_groupsize says %s, wait...no it should say %s...damn you!\n", error_to_string(err), error_to_string(CRYPT_OK));
exit(EXIT_FAILURE);
}
t_start();
t1 = t_read();
if ((err = dh_generate_key(&yarrow_prng, &key)) != CRYPT_OK) {
fprintf(stderr, "\n\ndh_make_key says %s, wait...no it should say %s...damn you!\n", error_to_string(err), error_to_string(CRYPT_OK));
exit(EXIT_FAILURE);
}
t1 = t_read() - t1;
t2 += t1;
dh_free(&key);
}
t2 >>= 4;
fprintf(stderr, "DH-%4lu make_key took %15"PRI64"u cycles\n", x*8, t2);
}
}
#else
static void time_dh(void) { fprintf(stderr, "NO DH\n"); }
#endif
#if defined(LTC_MECC)
/* time various ECC operations */
static void time_ecc(void)
{
ecc_key key;
ulong64 t1, t2;
unsigned char buf[2][256] = { 0 };
unsigned long i, w, x, y, z;
int err, stat;
static unsigned long sizes[] = {
#ifdef LTC_ECC_SECP112R1
112/8,
#endif
#ifdef LTC_ECC_SECP128R1
128/8,
#endif
#ifdef LTC_ECC_SECP160R1
160/8,
#endif
#ifdef LTC_ECC_SECP192R1
192/8,
#endif
#ifdef LTC_ECC_SECP224R1
224/8,
#endif
#ifdef LTC_ECC_SECP256R1
256/8,
#endif
#ifdef LTC_ECC_SECP384R1
384/8,
#endif
#ifdef LTC_ECC_SECP512R1
521/8,
#endif
100000};
if (ltc_mp.name == NULL) return;
for (x = sizes[i=0]; x < 100000; x = sizes[++i]) {
t2 = 0;
for (y = 0; y < 256; y++) {
t_start();
t1 = t_read();
if ((err = ecc_make_key(&yarrow_prng, x, &key)) != CRYPT_OK) {
fprintf(stderr, "\n\necc_make_key says %s, wait...no it should say %s...damn you!\n", error_to_string(err), error_to_string(CRYPT_OK));
exit(EXIT_FAILURE);
}
t1 = t_read() - t1;
t2 += t1;
#ifdef LTC_PROFILE
t2 <<= 8;
break;
#endif
if (y < 255) {
ecc_free(&key);
}
}
t2 >>= 8;
fprintf(stderr, "ECC-%lu make_key took %15"PRI64"u cycles\n", x*8, t2);
t2 = 0;
for (y = 0; y < 256; y++) {
t_start();
t1 = t_read();
z = sizeof(buf[1]);
if ((err = ecc_encrypt_key(buf[0], 20, buf[1], &z, &yarrow_prng, find_hash("sha1"),
&key)) != CRYPT_OK) {
fprintf(stderr, "\n\necc_encrypt_key says %s, wait...no it should say %s...damn you!\n", error_to_string(err), error_to_string(CRYPT_OK));
exit(EXIT_FAILURE);
}
t1 = t_read() - t1;
t2 += t1;
#ifdef LTC_PROFILE
t2 <<= 8;
break;
#endif
}
t2 >>= 8;
fprintf(stderr, "ECC-%lu encrypt_key took %15"PRI64"u cycles\n", x*8, t2);
t2 = 0;
for (y = 0; y < 256; y++) {
t_start();
t1 = t_read();
w = 20;
if ((err = ecc_decrypt_key(buf[1], z, buf[0], &w, &key)) != CRYPT_OK) {
fprintf(stderr, "\n\necc_decrypt_key says %s, wait...no it should say %s...damn you!\n", error_to_string(err), error_to_string(CRYPT_OK));
exit(EXIT_FAILURE);
}
t1 = t_read() - t1;
t2 += t1;
#ifdef LTC_PROFILE
t2 <<= 8;
break;
#endif
}
t2 >>= 8;
fprintf(stderr, "ECC-%lu decrypt_key took %15"PRI64"u cycles\n", x*8, t2);
t2 = 0;
for (y = 0; y < 256; y++) {
t_start();
t1 = t_read();
z = sizeof(buf[1]);
if ((err = ecc_sign_hash(buf[0], 20, buf[1], &z, &yarrow_prng,
&key)) != CRYPT_OK) {