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polarssl/programs/test/benchmark.c
Matthias Schulz 70595f7983 Explicitly indicating when private fields are accessed in benchmark.c. 
Signed-off-by: Matthias Schulz <mschulz@hilscher.com>
2023-11-16 17:43:58 +01:00

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/*
* Benchmark demonstration program
*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
*/
#define MBEDTLS_ALLOW_PRIVATE_ACCESS
#include "mbedtls/build_info.h"
#include "mbedtls/platform.h"
#if !defined(MBEDTLS_HAVE_TIME)
int main(void)
{
mbedtls_printf("MBEDTLS_HAVE_TIME not defined.\n");
mbedtls_exit(0);
}
#else
#include <string.h>
#include <stdlib.h>
#include "mbedtls/md5.h"
#include "mbedtls/ripemd160.h"
#include "mbedtls/sha1.h"
#include "mbedtls/sha256.h"
#include "mbedtls/sha512.h"
#include "mbedtls/sha3.h"
#include "mbedtls/des.h"
#include "mbedtls/aes.h"
#include "mbedtls/aria.h"
#include "mbedtls/camellia.h"
#include "mbedtls/chacha20.h"
#include "mbedtls/gcm.h"
#include "mbedtls/ccm.h"
#include "mbedtls/chachapoly.h"
#include "mbedtls/cmac.h"
#include "mbedtls/poly1305.h"
#include "mbedtls/ctr_drbg.h"
#include "mbedtls/hmac_drbg.h"
#include "mbedtls/rsa.h"
#include "mbedtls/dhm.h"
#include "mbedtls/ecdsa.h"
#include "mbedtls/ecdh.h"
#include "mbedtls/error.h"
/* *INDENT-OFF* */
#ifndef asm
#define asm __asm
#endif
/* *INDENT-ON* */
#if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
#include <windows.h>
#include <process.h>
struct _hr_time {
LARGE_INTEGER start;
};
#else
#include <unistd.h>
#include <sys/types.h>
#include <sys/time.h>
#include <signal.h>
#include <time.h>
struct _hr_time {
struct timeval start;
};
#endif /* _WIN32 && !EFIX64 && !EFI32 */
#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
#include "mbedtls/memory_buffer_alloc.h"
#endif
static void mbedtls_set_alarm(int seconds);
/*
* For heap usage estimates, we need an estimate of the overhead per allocated
* block. ptmalloc2/3 (used in gnu libc for instance) uses 2 size_t per block,
* so use that as our baseline.
*/
#define MEM_BLOCK_OVERHEAD (2 * sizeof(size_t))
/*
* Size to use for the alloc buffer if MEMORY_BUFFER_ALLOC_C is defined.
*/
#define HEAP_SIZE (1u << 16) /* 64k */
#define BUFSIZE 1024
#define HEADER_FORMAT " %-24s : "
#define TITLE_LEN 25
#define OPTIONS \
"md5, ripemd160, sha1, sha256, sha512,\n" \
"sha3_224, sha3_256, sha3_384, sha3_512,\n" \
"des3, des, camellia, chacha20,\n" \
"aes_cbc, aes_cfb128, aes_cfb8, aes_gcm, aes_ccm, aes_xts, chachapoly\n" \
"aes_cmac, des3_cmac, poly1305\n" \
"ctr_drbg, hmac_drbg\n" \
"rsa, dhm, ecdsa, ecdh.\n"
#if defined(MBEDTLS_ERROR_C)
#define PRINT_ERROR \
mbedtls_strerror(ret, (char *) tmp, sizeof(tmp)); \
mbedtls_printf("FAILED: %s\n", tmp);
#else
#define PRINT_ERROR \
mbedtls_printf("FAILED: -0x%04x\n", (unsigned int) -ret);
#endif
#define TIME_AND_TSC(TITLE, CODE) \
do { \
unsigned long ii, jj, tsc; \
int ret = 0; \
\
mbedtls_printf(HEADER_FORMAT, TITLE); \
fflush(stdout); \
\
mbedtls_set_alarm(1); \
for (ii = 1; ret == 0 && !mbedtls_timing_alarmed; ii++) \
{ \
ret = CODE; \
} \
\
tsc = mbedtls_timing_hardclock(); \
for (jj = 0; ret == 0 && jj < 1024; jj++) \
{ \
ret = CODE; \
} \
\
if (ret != 0) \
{ \
PRINT_ERROR; \
} \
else \
{ \
mbedtls_printf("%9lu KiB/s, %9lu cycles/byte\n", \
ii * BUFSIZE / 1024, \
(mbedtls_timing_hardclock() - tsc) \
/ (jj * BUFSIZE)); \
} \
} while (0)
#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) && defined(MBEDTLS_MEMORY_DEBUG)
/* How much space to reserve for the title when printing heap usage results.
* Updated manually as the output of the following command:
*
* sed -n 's/.*[T]IME_PUBLIC.*"\(.*\)",/\1/p' programs/test/benchmark.c |
* awk '{print length+3}' | sort -rn | head -n1
*
* This computes the maximum length of a title +3, because we appends "/s" and
* want at least one space. (If the value is too small, the only consequence
* is poor alignment.) */
#define TITLE_SPACE 17
#define MEMORY_MEASURE_INIT \
size_t max_used, max_blocks, max_bytes; \
size_t prv_used, prv_blocks; \
size_t alloc_cnt, free_cnt, prv_alloc, prv_free; \
mbedtls_memory_buffer_alloc_cur_get(&prv_used, &prv_blocks); \
mbedtls_memory_buffer_alloc_max_reset();
#define MEMORY_MEASURE_RESET \
mbedtls_memory_buffer_alloc_count_get(&prv_alloc, &prv_free);
#define MEMORY_MEASURE_PRINT(title_len) \
mbedtls_memory_buffer_alloc_max_get(&max_used, &max_blocks); \
mbedtls_memory_buffer_alloc_count_get(&alloc_cnt, &free_cnt); \
ii = TITLE_SPACE > (title_len) ? TITLE_SPACE - (title_len) : 1; \
while (ii--) mbedtls_printf(" "); \
max_used -= prv_used; \
max_blocks -= prv_blocks; \
max_bytes = max_used + MEM_BLOCK_OVERHEAD * max_blocks; \
mbedtls_printf("%6u heap bytes, %6u allocs", \
(unsigned) max_bytes, \
(unsigned) (alloc_cnt - prv_alloc));
#else
#define MEMORY_MEASURE_INIT
#define MEMORY_MEASURE_RESET
#define MEMORY_MEASURE_PRINT(title_len)
#endif
#define TIME_PUBLIC(TITLE, TYPE, CODE) \
do { \
unsigned long ii; \
int ret; \
MEMORY_MEASURE_INIT; \
\
mbedtls_printf(HEADER_FORMAT, TITLE); \
fflush(stdout); \
mbedtls_set_alarm(3); \
\
ret = 0; \
for (ii = 1; !mbedtls_timing_alarmed && !ret; ii++) \
{ \
MEMORY_MEASURE_RESET; \
CODE; \
} \
\
if (ret == MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED) \
{ \
mbedtls_printf("Feature Not Supported. Skipping.\n"); \
ret = 0; \
} \
else if (ret != 0) \
{ \
PRINT_ERROR; \
} \
else \
{ \
mbedtls_printf("%6lu " TYPE "/s", ii / 3); \
MEMORY_MEASURE_PRINT(sizeof(TYPE) + 1); \
mbedtls_printf("\n"); \
} \
} while (0)
#if !defined(HAVE_HARDCLOCK) && defined(MBEDTLS_HAVE_ASM) && \
(defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
#define HAVE_HARDCLOCK
static unsigned long mbedtls_timing_hardclock(void)
{
unsigned long tsc;
__asm rdtsc
__asm mov[tsc], eax
return tsc;
}
#endif /* !HAVE_HARDCLOCK && MBEDTLS_HAVE_ASM &&
( _MSC_VER && _M_IX86 ) || __WATCOMC__ */
/* some versions of mingw-64 have 32-bit longs even on x84_64 */
#if !defined(HAVE_HARDCLOCK) && defined(MBEDTLS_HAVE_ASM) && \
defined(__GNUC__) && (defined(__i386__) || ( \
(defined(__amd64__) || defined(__x86_64__)) && __SIZEOF_LONG__ == 4))
#define HAVE_HARDCLOCK
static unsigned long mbedtls_timing_hardclock(void)
{
unsigned long lo, hi;
asm volatile ("rdtsc" : "=a" (lo), "=d" (hi));
return lo;
}
#endif /* !HAVE_HARDCLOCK && MBEDTLS_HAVE_ASM &&
__GNUC__ && __i386__ */
#if !defined(HAVE_HARDCLOCK) && defined(MBEDTLS_HAVE_ASM) && \
defined(__GNUC__) && (defined(__amd64__) || defined(__x86_64__))
#define HAVE_HARDCLOCK
static unsigned long mbedtls_timing_hardclock(void)
{
unsigned long lo, hi;
asm volatile ("rdtsc" : "=a" (lo), "=d" (hi));
return lo | (hi << 32);
}
#endif /* !HAVE_HARDCLOCK && MBEDTLS_HAVE_ASM &&
__GNUC__ && ( __amd64__ || __x86_64__ ) */
#if !defined(HAVE_HARDCLOCK) && defined(MBEDTLS_HAVE_ASM) && \
defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
#define HAVE_HARDCLOCK
static unsigned long mbedtls_timing_hardclock(void)
{
unsigned long tbl, tbu0, tbu1;
do {
asm volatile ("mftbu %0" : "=r" (tbu0));
asm volatile ("mftb %0" : "=r" (tbl));
asm volatile ("mftbu %0" : "=r" (tbu1));
} while (tbu0 != tbu1);
return tbl;
}
#endif /* !HAVE_HARDCLOCK && MBEDTLS_HAVE_ASM &&
__GNUC__ && ( __powerpc__ || __ppc__ ) */
#if !defined(HAVE_HARDCLOCK) && defined(MBEDTLS_HAVE_ASM) && \
defined(__GNUC__) && defined(__sparc64__)
#if defined(__OpenBSD__)
#warning OpenBSD does not allow access to tick register using software version instead
#else
#define HAVE_HARDCLOCK
static unsigned long mbedtls_timing_hardclock(void)
{
unsigned long tick;
asm volatile ("rdpr %%tick, %0;" : "=&r" (tick));
return tick;
}
#endif /* __OpenBSD__ */
#endif /* !HAVE_HARDCLOCK && MBEDTLS_HAVE_ASM &&
__GNUC__ && __sparc64__ */
#if !defined(HAVE_HARDCLOCK) && defined(MBEDTLS_HAVE_ASM) && \
defined(__GNUC__) && defined(__sparc__) && !defined(__sparc64__)
#define HAVE_HARDCLOCK
static unsigned long mbedtls_timing_hardclock(void)
{
unsigned long tick;
asm volatile (".byte 0x83, 0x41, 0x00, 0x00");
asm volatile ("mov %%g1, %0" : "=r" (tick));
return tick;
}
#endif /* !HAVE_HARDCLOCK && MBEDTLS_HAVE_ASM &&
__GNUC__ && __sparc__ && !__sparc64__ */
#if !defined(HAVE_HARDCLOCK) && defined(MBEDTLS_HAVE_ASM) && \
defined(__GNUC__) && defined(__alpha__)
#define HAVE_HARDCLOCK
static unsigned long mbedtls_timing_hardclock(void)
{
unsigned long cc;
asm volatile ("rpcc %0" : "=r" (cc));
return cc & 0xFFFFFFFF;
}
#endif /* !HAVE_HARDCLOCK && MBEDTLS_HAVE_ASM &&
__GNUC__ && __alpha__ */
#if !defined(HAVE_HARDCLOCK) && defined(MBEDTLS_HAVE_ASM) && \
defined(__GNUC__) && defined(__ia64__)
#define HAVE_HARDCLOCK
static unsigned long mbedtls_timing_hardclock(void)
{
unsigned long itc;
asm volatile ("mov %0 = ar.itc" : "=r" (itc));
return itc;
}
#endif /* !HAVE_HARDCLOCK && MBEDTLS_HAVE_ASM &&
__GNUC__ && __ia64__ */
#if !defined(HAVE_HARDCLOCK) && defined(_WIN32) && \
!defined(EFIX64) && !defined(EFI32)
#define HAVE_HARDCLOCK
static unsigned long mbedtls_timing_hardclock(void)
{
LARGE_INTEGER offset;
QueryPerformanceCounter(&offset);
return (unsigned long) (offset.QuadPart);
}
#endif /* !HAVE_HARDCLOCK && _WIN32 && !EFIX64 && !EFI32 */
#if !defined(HAVE_HARDCLOCK)
#define HAVE_HARDCLOCK
static int hardclock_init = 0;
static struct timeval tv_init;
static unsigned long mbedtls_timing_hardclock(void)
{
struct timeval tv_cur;
if (hardclock_init == 0) {
gettimeofday(&tv_init, NULL);
hardclock_init = 1;
}
gettimeofday(&tv_cur, NULL);
return (tv_cur.tv_sec - tv_init.tv_sec) * 1000000U
+ (tv_cur.tv_usec - tv_init.tv_usec);
}
#endif /* !HAVE_HARDCLOCK */
volatile int mbedtls_timing_alarmed = 0;
#if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
/* It's OK to use a global because alarm() is supposed to be global anyway */
static DWORD alarmMs;
static void TimerProc(void *TimerContext)
{
(void) TimerContext;
Sleep(alarmMs);
mbedtls_timing_alarmed = 1;
/* _endthread will be called implicitly on return
* That ensures execution of thread function's epilogue */
}
static void mbedtls_set_alarm(int seconds)
{
if (seconds == 0) {
/* No need to create a thread for this simple case.
* Also, this shorcut is more reliable at least on MinGW32 */
mbedtls_timing_alarmed = 1;
return;
}
mbedtls_timing_alarmed = 0;
alarmMs = seconds * 1000;
(void) _beginthread(TimerProc, 0, NULL);
}
#else /* _WIN32 && !EFIX64 && !EFI32 */
static void sighandler(int signum)
{
mbedtls_timing_alarmed = 1;
signal(signum, sighandler);
}
static void mbedtls_set_alarm(int seconds)
{
mbedtls_timing_alarmed = 0;
signal(SIGALRM, sighandler);
alarm(seconds);
if (seconds == 0) {
/* alarm(0) cancelled any previous pending alarm, but the
handler won't fire, so raise the flag straight away. */
mbedtls_timing_alarmed = 1;
}
}
#endif /* _WIN32 && !EFIX64 && !EFI32 */
static int myrand(void *rng_state, unsigned char *output, size_t len)
{
size_t use_len;
int rnd;
if (rng_state != NULL) {
rng_state = NULL;
}
while (len > 0) {
use_len = len;
if (use_len > sizeof(int)) {
use_len = sizeof(int);
}
rnd = rand();
memcpy(output, &rnd, use_len);
output += use_len;
len -= use_len;
}
return 0;
}
#define CHECK_AND_CONTINUE(R) \
{ \
int CHECK_AND_CONTINUE_ret = (R); \
if (CHECK_AND_CONTINUE_ret == MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED) { \
mbedtls_printf("Feature not supported. Skipping.\n"); \
continue; \
} \
else if (CHECK_AND_CONTINUE_ret != 0) { \
mbedtls_exit(1); \
} \
}
#if defined(MBEDTLS_ECP_C)
static int set_ecp_curve(const char *string, mbedtls_ecp_curve_info *curve)
{
const mbedtls_ecp_curve_info *found =
mbedtls_ecp_curve_info_from_name(string);
if (found != NULL) {
*curve = *found;
return 1;
} else {
return 0;
}
}
#endif
unsigned char buf[BUFSIZE];
typedef struct {
char md5, ripemd160, sha1, sha256, sha512,
sha3_224, sha3_256, sha3_384, sha3_512,
des3, des,
aes_cbc, aes_cfb128, aes_cfb8, aes_gcm, aes_ccm, aes_xts, chachapoly,
aes_cmac, des3_cmac,
aria, camellia, chacha20,
poly1305,
ctr_drbg, hmac_drbg,
rsa, dhm, ecdsa, ecdh;
} todo_list;
int main(int argc, char *argv[])
{
int i;
unsigned char tmp[200];
char title[TITLE_LEN];
todo_list todo;
#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
unsigned char alloc_buf[HEAP_SIZE] = { 0 };
#endif
#if defined(MBEDTLS_ECP_C)
mbedtls_ecp_curve_info single_curve[2] = {
{ MBEDTLS_ECP_DP_NONE, 0, 0, NULL },
{ MBEDTLS_ECP_DP_NONE, 0, 0, NULL },
};
const mbedtls_ecp_curve_info *curve_list = mbedtls_ecp_curve_list();
#endif
#if defined(MBEDTLS_ECP_C)
(void) curve_list; /* Unused in some configurations where no benchmark uses ECC */
#endif
if (argc <= 1) {
memset(&todo, 1, sizeof(todo));
} else {
memset(&todo, 0, sizeof(todo));
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "md5") == 0) {
todo.md5 = 1;
} else if (strcmp(argv[i], "ripemd160") == 0) {
todo.ripemd160 = 1;
} else if (strcmp(argv[i], "sha1") == 0) {
todo.sha1 = 1;
} else if (strcmp(argv[i], "sha256") == 0) {
todo.sha256 = 1;
} else if (strcmp(argv[i], "sha512") == 0) {
todo.sha512 = 1;
} else if (strcmp(argv[i], "sha3_224") == 0) {
todo.sha3_224 = 1;
} else if (strcmp(argv[i], "sha3_256") == 0) {
todo.sha3_256 = 1;
} else if (strcmp(argv[i], "sha3_384") == 0) {
todo.sha3_384 = 1;
} else if (strcmp(argv[i], "sha3_512") == 0) {
todo.sha3_512 = 1;
} else if (strcmp(argv[i], "des3") == 0) {
todo.des3 = 1;
} else if (strcmp(argv[i], "des") == 0) {
todo.des = 1;
} else if (strcmp(argv[i], "aes_cbc") == 0) {
todo.aes_cbc = 1;
} else if (strcmp(argv[i], "aes_cfb128") == 0) {
todo.aes_cfb128 = 1;
} else if (strcmp(argv[i], "aes_cfb8") == 0) {
todo.aes_cfb8 = 1;
} else if (strcmp(argv[i], "aes_xts") == 0) {
todo.aes_xts = 1;
} else if (strcmp(argv[i], "aes_gcm") == 0) {
todo.aes_gcm = 1;
} else if (strcmp(argv[i], "aes_ccm") == 0) {
todo.aes_ccm = 1;
} else if (strcmp(argv[i], "chachapoly") == 0) {
todo.chachapoly = 1;
} else if (strcmp(argv[i], "aes_cmac") == 0) {
todo.aes_cmac = 1;
} else if (strcmp(argv[i], "des3_cmac") == 0) {
todo.des3_cmac = 1;
} else if (strcmp(argv[i], "aria") == 0) {
todo.aria = 1;
} else if (strcmp(argv[i], "camellia") == 0) {
todo.camellia = 1;
} else if (strcmp(argv[i], "chacha20") == 0) {
todo.chacha20 = 1;
} else if (strcmp(argv[i], "poly1305") == 0) {
todo.poly1305 = 1;
} else if (strcmp(argv[i], "ctr_drbg") == 0) {
todo.ctr_drbg = 1;
} else if (strcmp(argv[i], "hmac_drbg") == 0) {
todo.hmac_drbg = 1;
} else if (strcmp(argv[i], "rsa") == 0) {
todo.rsa = 1;
} else if (strcmp(argv[i], "dhm") == 0) {
todo.dhm = 1;
} else if (strcmp(argv[i], "ecdsa") == 0) {
todo.ecdsa = 1;
} else if (strcmp(argv[i], "ecdh") == 0) {
todo.ecdh = 1;
}
#if defined(MBEDTLS_ECP_C)
else if (set_ecp_curve(argv[i], single_curve)) {
curve_list = single_curve;
}
#endif
else {
mbedtls_printf("Unrecognized option: %s\n", argv[i]);
mbedtls_printf("Available options: " OPTIONS);
}
}
}
mbedtls_printf("\n");
#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
mbedtls_memory_buffer_alloc_init(alloc_buf, sizeof(alloc_buf));
#endif
memset(buf, 0xAA, sizeof(buf));
memset(tmp, 0xBB, sizeof(tmp));
/* Avoid "unused static function" warning in configurations without
* symmetric crypto. */
(void) mbedtls_timing_hardclock;
#if defined(MBEDTLS_MD5_C)
if (todo.md5) {
TIME_AND_TSC("MD5", mbedtls_md5(buf, BUFSIZE, tmp));
}
#endif
#if defined(MBEDTLS_RIPEMD160_C)
if (todo.ripemd160) {
TIME_AND_TSC("RIPEMD160", mbedtls_ripemd160(buf, BUFSIZE, tmp));
}
#endif
#if defined(MBEDTLS_SHA1_C)
if (todo.sha1) {
TIME_AND_TSC("SHA-1", mbedtls_sha1(buf, BUFSIZE, tmp));
}
#endif
#if defined(MBEDTLS_SHA256_C)
if (todo.sha256) {
TIME_AND_TSC("SHA-256", mbedtls_sha256(buf, BUFSIZE, tmp, 0));
}
#endif
#if defined(MBEDTLS_SHA512_C)
if (todo.sha512) {
TIME_AND_TSC("SHA-512", mbedtls_sha512(buf, BUFSIZE, tmp, 0));
}
#endif
#if defined(MBEDTLS_SHA3_C)
if (todo.sha3_224) {
TIME_AND_TSC("SHA3-224", mbedtls_sha3(MBEDTLS_SHA3_224, buf, BUFSIZE, tmp, 28));
}
if (todo.sha3_256) {
TIME_AND_TSC("SHA3-256", mbedtls_sha3(MBEDTLS_SHA3_256, buf, BUFSIZE, tmp, 32));
}
if (todo.sha3_384) {
TIME_AND_TSC("SHA3-384", mbedtls_sha3(MBEDTLS_SHA3_384, buf, BUFSIZE, tmp, 48));
}
if (todo.sha3_512) {
TIME_AND_TSC("SHA3-512", mbedtls_sha3(MBEDTLS_SHA3_512, buf, BUFSIZE, tmp, 64));
}
#endif
#if defined(MBEDTLS_DES_C)
#if defined(MBEDTLS_CIPHER_MODE_CBC)
if (todo.des3) {
mbedtls_des3_context des3;
mbedtls_des3_init(&des3);
if (mbedtls_des3_set3key_enc(&des3, tmp) != 0) {
mbedtls_exit(1);
}
TIME_AND_TSC("3DES",
mbedtls_des3_crypt_cbc(&des3, MBEDTLS_DES_ENCRYPT, BUFSIZE, tmp, buf, buf));
mbedtls_des3_free(&des3);
}
if (todo.des) {
mbedtls_des_context des;
mbedtls_des_init(&des);
if (mbedtls_des_setkey_enc(&des, tmp) != 0) {
mbedtls_exit(1);
}
TIME_AND_TSC("DES",
mbedtls_des_crypt_cbc(&des, MBEDTLS_DES_ENCRYPT, BUFSIZE, tmp, buf, buf));
mbedtls_des_free(&des);
}
#endif /* MBEDTLS_CIPHER_MODE_CBC */
#if defined(MBEDTLS_CMAC_C)
if (todo.des3_cmac) {
unsigned char output[8];
const mbedtls_cipher_info_t *cipher_info;
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
cipher_info = mbedtls_cipher_info_from_type(MBEDTLS_CIPHER_DES_EDE3_ECB);
TIME_AND_TSC("3DES-CMAC",
mbedtls_cipher_cmac(cipher_info, tmp, 192, buf,
BUFSIZE, output));
}
#endif /* MBEDTLS_CMAC_C */
#endif /* MBEDTLS_DES_C */
#if defined(MBEDTLS_AES_C)
#if defined(MBEDTLS_CIPHER_MODE_CBC)
if (todo.aes_cbc) {
int keysize;
mbedtls_aes_context aes;
mbedtls_aes_init(&aes);
for (keysize = 128; keysize <= 256; keysize += 64) {
mbedtls_snprintf(title, sizeof(title), "AES-CBC-%d", keysize);
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
CHECK_AND_CONTINUE(mbedtls_aes_setkey_enc(&aes, tmp, keysize));
TIME_AND_TSC(title,
mbedtls_aes_crypt_cbc(&aes, MBEDTLS_AES_ENCRYPT, BUFSIZE, tmp, buf, buf));
}
mbedtls_aes_free(&aes);
}
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
if (todo.aes_cfb128) {
int keysize;
size_t iv_off = 0;
mbedtls_aes_context aes;
mbedtls_aes_init(&aes);
for (keysize = 128; keysize <= 256; keysize += 64) {
mbedtls_snprintf(title, sizeof(title), "AES-CFB128-%d", keysize);
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
CHECK_AND_CONTINUE(mbedtls_aes_setkey_enc(&aes, tmp, keysize));
TIME_AND_TSC(title,
mbedtls_aes_crypt_cfb128(&aes, MBEDTLS_AES_ENCRYPT, BUFSIZE,
&iv_off, tmp, buf, buf));
}
mbedtls_aes_free(&aes);
}
if (todo.aes_cfb8) {
int keysize;
mbedtls_aes_context aes;
mbedtls_aes_init(&aes);
for (keysize = 128; keysize <= 256; keysize += 64) {
mbedtls_snprintf(title, sizeof(title), "AES-CFB8-%d", keysize);
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
CHECK_AND_CONTINUE(mbedtls_aes_setkey_enc(&aes, tmp, keysize));
TIME_AND_TSC(title,
mbedtls_aes_crypt_cfb8(&aes, MBEDTLS_AES_ENCRYPT, BUFSIZE, tmp, buf, buf));
}
mbedtls_aes_free(&aes);
}
#endif
#if defined(MBEDTLS_CIPHER_MODE_XTS)
if (todo.aes_xts) {
int keysize;
mbedtls_aes_xts_context ctx;
mbedtls_aes_xts_init(&ctx);
for (keysize = 128; keysize <= 256; keysize += 128) {
mbedtls_snprintf(title, sizeof(title), "AES-XTS-%d", keysize);
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
CHECK_AND_CONTINUE(mbedtls_aes_xts_setkey_enc(&ctx, tmp, keysize * 2));
TIME_AND_TSC(title,
mbedtls_aes_crypt_xts(&ctx, MBEDTLS_AES_ENCRYPT, BUFSIZE,
tmp, buf, buf));
mbedtls_aes_xts_free(&ctx);
}
}
#endif
#if defined(MBEDTLS_GCM_C)
if (todo.aes_gcm) {
int keysize;
mbedtls_gcm_context gcm;
mbedtls_gcm_init(&gcm);
for (keysize = 128; keysize <= 256; keysize += 64) {
mbedtls_snprintf(title, sizeof(title), "AES-GCM-%d", keysize);
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
mbedtls_gcm_setkey(&gcm, MBEDTLS_CIPHER_ID_AES, tmp, keysize);
TIME_AND_TSC(title,
mbedtls_gcm_crypt_and_tag(&gcm, MBEDTLS_GCM_ENCRYPT, BUFSIZE, tmp,
12, NULL, 0, buf, buf, 16, tmp));
mbedtls_gcm_free(&gcm);
}
}
#endif
#if defined(MBEDTLS_CCM_C)
if (todo.aes_ccm) {
int keysize;
mbedtls_ccm_context ccm;
mbedtls_ccm_init(&ccm);
for (keysize = 128; keysize <= 256; keysize += 64) {
mbedtls_snprintf(title, sizeof(title), "AES-CCM-%d", keysize);
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
mbedtls_ccm_setkey(&ccm, MBEDTLS_CIPHER_ID_AES, tmp, keysize);
TIME_AND_TSC(title,
mbedtls_ccm_encrypt_and_tag(&ccm, BUFSIZE, tmp,
12, NULL, 0, buf, buf, tmp, 16));
mbedtls_ccm_free(&ccm);
}
}
#endif
#if defined(MBEDTLS_CHACHAPOLY_C)
if (todo.chachapoly) {
mbedtls_chachapoly_context chachapoly;
mbedtls_chachapoly_init(&chachapoly);
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
mbedtls_snprintf(title, sizeof(title), "ChaCha20-Poly1305");
mbedtls_chachapoly_setkey(&chachapoly, tmp);
TIME_AND_TSC(title,
mbedtls_chachapoly_encrypt_and_tag(&chachapoly,
BUFSIZE, tmp, NULL, 0, buf, buf, tmp));
mbedtls_chachapoly_free(&chachapoly);
}
#endif
#if defined(MBEDTLS_CMAC_C)
if (todo.aes_cmac) {
unsigned char output[16];
const mbedtls_cipher_info_t *cipher_info;
mbedtls_cipher_type_t cipher_type;
int keysize;
for (keysize = 128, cipher_type = MBEDTLS_CIPHER_AES_128_ECB;
keysize <= 256;
keysize += 64, cipher_type++) {
mbedtls_snprintf(title, sizeof(title), "AES-CMAC-%d", keysize);
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
cipher_info = mbedtls_cipher_info_from_type(cipher_type);
TIME_AND_TSC(title,
mbedtls_cipher_cmac(cipher_info, tmp, keysize,
buf, BUFSIZE, output));
}
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
TIME_AND_TSC("AES-CMAC-PRF-128",
mbedtls_aes_cmac_prf_128(tmp, 16, buf, BUFSIZE,
output));
}
#endif /* MBEDTLS_CMAC_C */
#endif /* MBEDTLS_AES_C */
#if defined(MBEDTLS_ARIA_C) && defined(MBEDTLS_CIPHER_MODE_CBC)
if (todo.aria) {
int keysize;
mbedtls_aria_context aria;
mbedtls_aria_init(&aria);
for (keysize = 128; keysize <= 256; keysize += 64) {
mbedtls_snprintf(title, sizeof(title), "ARIA-CBC-%d", keysize);
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
mbedtls_aria_setkey_enc(&aria, tmp, keysize);
TIME_AND_TSC(title,
mbedtls_aria_crypt_cbc(&aria, MBEDTLS_ARIA_ENCRYPT,
BUFSIZE, tmp, buf, buf));
}
mbedtls_aria_free(&aria);
}
#endif
#if defined(MBEDTLS_CAMELLIA_C) && defined(MBEDTLS_CIPHER_MODE_CBC)
if (todo.camellia) {
int keysize;
mbedtls_camellia_context camellia;
mbedtls_camellia_init(&camellia);
for (keysize = 128; keysize <= 256; keysize += 64) {
mbedtls_snprintf(title, sizeof(title), "CAMELLIA-CBC-%d", keysize);
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
mbedtls_camellia_setkey_enc(&camellia, tmp, keysize);
TIME_AND_TSC(title,
mbedtls_camellia_crypt_cbc(&camellia, MBEDTLS_CAMELLIA_ENCRYPT,
BUFSIZE, tmp, buf, buf));
}
mbedtls_camellia_free(&camellia);
}
#endif
#if defined(MBEDTLS_CHACHA20_C)
if (todo.chacha20) {
TIME_AND_TSC("ChaCha20", mbedtls_chacha20_crypt(buf, buf, 0U, BUFSIZE, buf, buf));
}
#endif
#if defined(MBEDTLS_POLY1305_C)
if (todo.poly1305) {
TIME_AND_TSC("Poly1305", mbedtls_poly1305_mac(buf, buf, BUFSIZE, buf));
}
#endif
#if defined(MBEDTLS_CTR_DRBG_C)
if (todo.ctr_drbg) {
mbedtls_ctr_drbg_context ctr_drbg;
mbedtls_ctr_drbg_init(&ctr_drbg);
if (mbedtls_ctr_drbg_seed(&ctr_drbg, myrand, NULL, NULL, 0) != 0) {
mbedtls_exit(1);
}
TIME_AND_TSC("CTR_DRBG (NOPR)",
mbedtls_ctr_drbg_random(&ctr_drbg, buf, BUFSIZE));
mbedtls_ctr_drbg_free(&ctr_drbg);
mbedtls_ctr_drbg_init(&ctr_drbg);
if (mbedtls_ctr_drbg_seed(&ctr_drbg, myrand, NULL, NULL, 0) != 0) {
mbedtls_exit(1);
}
mbedtls_ctr_drbg_set_prediction_resistance(&ctr_drbg, MBEDTLS_CTR_DRBG_PR_ON);
TIME_AND_TSC("CTR_DRBG (PR)",
mbedtls_ctr_drbg_random(&ctr_drbg, buf, BUFSIZE));
mbedtls_ctr_drbg_free(&ctr_drbg);
}
#endif
#if defined(MBEDTLS_HMAC_DRBG_C) && \
(defined(MBEDTLS_SHA1_C) || defined(MBEDTLS_SHA256_C))
if (todo.hmac_drbg) {
mbedtls_hmac_drbg_context hmac_drbg;
const mbedtls_md_info_t *md_info;
mbedtls_hmac_drbg_init(&hmac_drbg);
#if defined(MBEDTLS_SHA1_C)
if ((md_info = mbedtls_md_info_from_type(MBEDTLS_MD_SHA1)) == NULL) {
mbedtls_exit(1);
}
if (mbedtls_hmac_drbg_seed(&hmac_drbg, md_info, myrand, NULL, NULL, 0) != 0) {
mbedtls_exit(1);
}
TIME_AND_TSC("HMAC_DRBG SHA-1 (NOPR)",
mbedtls_hmac_drbg_random(&hmac_drbg, buf, BUFSIZE));
if (mbedtls_hmac_drbg_seed(&hmac_drbg, md_info, myrand, NULL, NULL, 0) != 0) {
mbedtls_exit(1);
}
mbedtls_hmac_drbg_set_prediction_resistance(&hmac_drbg,
MBEDTLS_HMAC_DRBG_PR_ON);
TIME_AND_TSC("HMAC_DRBG SHA-1 (PR)",
mbedtls_hmac_drbg_random(&hmac_drbg, buf, BUFSIZE));
#endif
#if defined(MBEDTLS_SHA256_C)
if ((md_info = mbedtls_md_info_from_type(MBEDTLS_MD_SHA256)) == NULL) {
mbedtls_exit(1);
}
if (mbedtls_hmac_drbg_seed(&hmac_drbg, md_info, myrand, NULL, NULL, 0) != 0) {
mbedtls_exit(1);
}
TIME_AND_TSC("HMAC_DRBG SHA-256 (NOPR)",
mbedtls_hmac_drbg_random(&hmac_drbg, buf, BUFSIZE));
if (mbedtls_hmac_drbg_seed(&hmac_drbg, md_info, myrand, NULL, NULL, 0) != 0) {
mbedtls_exit(1);
}
mbedtls_hmac_drbg_set_prediction_resistance(&hmac_drbg,
MBEDTLS_HMAC_DRBG_PR_ON);
TIME_AND_TSC("HMAC_DRBG SHA-256 (PR)",
mbedtls_hmac_drbg_random(&hmac_drbg, buf, BUFSIZE));
#endif
mbedtls_hmac_drbg_free(&hmac_drbg);
}
#endif /* MBEDTLS_HMAC_DRBG_C && ( MBEDTLS_SHA1_C || MBEDTLS_SHA256_C ) */
#if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_GENPRIME)
if (todo.rsa) {
int keysize;
mbedtls_rsa_context rsa;
for (keysize = 2048; keysize <= 4096; keysize *= 2) {
mbedtls_snprintf(title, sizeof(title), "RSA-%d", keysize);
mbedtls_rsa_init(&rsa);
mbedtls_rsa_gen_key(&rsa, myrand, NULL, keysize, 65537);
TIME_PUBLIC(title, " public",
buf[0] = 0;
ret = mbedtls_rsa_public(&rsa, buf, buf));
TIME_PUBLIC(title, "private",
buf[0] = 0;
ret = mbedtls_rsa_private(&rsa, myrand, NULL, buf, buf));
mbedtls_rsa_free(&rsa);
}
}
#endif
#if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_BIGNUM_C)
if (todo.dhm) {
int dhm_sizes[] = { 2048, 3072 };
static const unsigned char dhm_P_2048[] =
MBEDTLS_DHM_RFC3526_MODP_2048_P_BIN;
static const unsigned char dhm_P_3072[] =
MBEDTLS_DHM_RFC3526_MODP_3072_P_BIN;
static const unsigned char dhm_G_2048[] =
MBEDTLS_DHM_RFC3526_MODP_2048_G_BIN;
static const unsigned char dhm_G_3072[] =
MBEDTLS_DHM_RFC3526_MODP_3072_G_BIN;
const unsigned char *dhm_P[] = { dhm_P_2048, dhm_P_3072 };
const size_t dhm_P_size[] = { sizeof(dhm_P_2048),
sizeof(dhm_P_3072) };
const unsigned char *dhm_G[] = { dhm_G_2048, dhm_G_3072 };
const size_t dhm_G_size[] = { sizeof(dhm_G_2048),
sizeof(dhm_G_3072) };
mbedtls_dhm_context dhm;
size_t olen;
size_t n;
for (i = 0; (size_t) i < sizeof(dhm_sizes) / sizeof(dhm_sizes[0]); i++) {
mbedtls_dhm_init(&dhm);
if (mbedtls_mpi_read_binary(&dhm.MBEDTLS_PRIVATE(P), dhm_P[i],
dhm_P_size[i]) != 0 ||
mbedtls_mpi_read_binary(&dhm.MBEDTLS_PRIVATE(G), dhm_G[i],
dhm_G_size[i]) != 0) {
mbedtls_exit(1);
}
n = mbedtls_mpi_size(&dhm.MBEDTLS_PRIVATE(P));
mbedtls_dhm_make_public(&dhm, (int) n, buf, n, myrand, NULL);
if (mbedtls_mpi_copy(&dhm.MBEDTLS_PRIVATE(GY), &dhm.MBEDTLS_PRIVATE(GX)) != 0) {
mbedtls_exit(1);
}
mbedtls_snprintf(title, sizeof(title), "DHE-%d", dhm_sizes[i]);
TIME_PUBLIC(title, "handshake",
ret |= mbedtls_dhm_make_public(&dhm, (int) n, buf, n,
myrand, NULL);
ret |=
mbedtls_dhm_calc_secret(&dhm, buf, sizeof(buf), &olen, myrand, NULL));
mbedtls_snprintf(title, sizeof(title), "DH-%d", dhm_sizes[i]);
TIME_PUBLIC(title, "handshake",
ret |=
mbedtls_dhm_calc_secret(&dhm, buf, sizeof(buf), &olen, myrand, NULL));
mbedtls_dhm_free(&dhm);
}
}
#endif
#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_SHA256_C)
if (todo.ecdsa) {
mbedtls_ecdsa_context ecdsa;
const mbedtls_ecp_curve_info *curve_info;
size_t sig_len;
memset(buf, 0x2A, sizeof(buf));
for (curve_info = curve_list;
curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
curve_info++) {
if (!mbedtls_ecdsa_can_do(curve_info->grp_id)) {
continue;
}
mbedtls_ecdsa_init(&ecdsa);
if (mbedtls_ecdsa_genkey(&ecdsa, curve_info->grp_id, myrand, NULL) != 0) {
mbedtls_exit(1);
}
mbedtls_snprintf(title, sizeof(title), "ECDSA-%s",
curve_info->name);
TIME_PUBLIC(title,
"sign",
ret =
mbedtls_ecdsa_write_signature(&ecdsa, MBEDTLS_MD_SHA256, buf,
curve_info->bit_size,
tmp, sizeof(tmp), &sig_len, myrand,
NULL));
mbedtls_ecdsa_free(&ecdsa);
}
for (curve_info = curve_list;
curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
curve_info++) {
if (!mbedtls_ecdsa_can_do(curve_info->grp_id)) {
continue;
}
mbedtls_ecdsa_init(&ecdsa);
if (mbedtls_ecdsa_genkey(&ecdsa, curve_info->grp_id, myrand, NULL) != 0 ||
mbedtls_ecdsa_write_signature(&ecdsa, MBEDTLS_MD_SHA256, buf, curve_info->bit_size,
tmp, sizeof(tmp), &sig_len, myrand, NULL) != 0) {
mbedtls_exit(1);
}
mbedtls_snprintf(title, sizeof(title), "ECDSA-%s",
curve_info->name);
TIME_PUBLIC(title, "verify",
ret = mbedtls_ecdsa_read_signature(&ecdsa, buf, curve_info->bit_size,
tmp, sig_len));
mbedtls_ecdsa_free(&ecdsa);
}
}
#endif
#if defined(MBEDTLS_ECDH_C) && defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
if (todo.ecdh) {
mbedtls_ecdh_context ecdh;
mbedtls_mpi z;
const mbedtls_ecp_curve_info montgomery_curve_list[] = {
#if defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED)
{ MBEDTLS_ECP_DP_CURVE25519, 0, 0, "Curve25519" },
#endif
#if defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
{ MBEDTLS_ECP_DP_CURVE448, 0, 0, "Curve448" },
#endif
{ MBEDTLS_ECP_DP_NONE, 0, 0, 0 }
};
const mbedtls_ecp_curve_info *curve_info;
size_t olen;
const mbedtls_ecp_curve_info *selected_montgomery_curve_list =
montgomery_curve_list;
if (curve_list == (const mbedtls_ecp_curve_info *) &single_curve) {
mbedtls_ecp_group grp;
mbedtls_ecp_group_init(&grp);
if (mbedtls_ecp_group_load(&grp, curve_list->grp_id) != 0) {
mbedtls_exit(1);
}
if (mbedtls_ecp_get_type(&grp) == MBEDTLS_ECP_TYPE_MONTGOMERY) {
selected_montgomery_curve_list = single_curve;
} else { /* empty list */
selected_montgomery_curve_list = single_curve + 1;
}
mbedtls_ecp_group_free(&grp);
}
for (curve_info = curve_list;
curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
curve_info++) {
if (!mbedtls_ecdh_can_do(curve_info->grp_id)) {
continue;
}
mbedtls_ecdh_init(&ecdh);
CHECK_AND_CONTINUE(mbedtls_ecp_group_load(&ecdh.grp, curve_info->grp_id));
CHECK_AND_CONTINUE(mbedtls_ecdh_make_public(&ecdh, &olen, buf, sizeof(buf),
myrand, NULL));
CHECK_AND_CONTINUE(mbedtls_ecp_copy(&ecdh.Qp, &ecdh.Q));
mbedtls_snprintf(title, sizeof(title), "ECDHE-%s",
curve_info->name);
TIME_PUBLIC(title, "handshake",
CHECK_AND_CONTINUE(mbedtls_ecdh_make_public(&ecdh, &olen, buf, sizeof(buf),
myrand, NULL));
CHECK_AND_CONTINUE(mbedtls_ecdh_calc_secret(&ecdh, &olen, buf, sizeof(buf),
myrand, NULL)));
mbedtls_ecdh_free(&ecdh);
}
/* Montgomery curves need to be handled separately */
for (curve_info = selected_montgomery_curve_list;
curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
curve_info++) {
mbedtls_ecdh_init(&ecdh);
mbedtls_mpi_init(&z);
CHECK_AND_CONTINUE(mbedtls_ecp_group_load(&ecdh.grp, curve_info->grp_id));
CHECK_AND_CONTINUE(mbedtls_ecdh_gen_public(&ecdh.grp, &ecdh.d, &ecdh.Qp, myrand, NULL));
mbedtls_snprintf(title, sizeof(title), "ECDHE-%s",
curve_info->name);
TIME_PUBLIC(title, "handshake",
CHECK_AND_CONTINUE(mbedtls_ecdh_gen_public(&ecdh.grp, &ecdh.d, &ecdh.Q,
myrand, NULL));
CHECK_AND_CONTINUE(mbedtls_ecdh_compute_shared(&ecdh.grp, &z, &ecdh.Qp,
&ecdh.d,
myrand, NULL)));
mbedtls_ecdh_free(&ecdh);
mbedtls_mpi_free(&z);
}
for (curve_info = curve_list;
curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
curve_info++) {
if (!mbedtls_ecdh_can_do(curve_info->grp_id)) {
continue;
}
mbedtls_ecdh_init(&ecdh);
CHECK_AND_CONTINUE(mbedtls_ecp_group_load(&ecdh.grp, curve_info->grp_id));
CHECK_AND_CONTINUE(mbedtls_ecdh_make_public(&ecdh, &olen, buf, sizeof(buf),
myrand, NULL));
CHECK_AND_CONTINUE(mbedtls_ecp_copy(&ecdh.Qp, &ecdh.Q));
CHECK_AND_CONTINUE(mbedtls_ecdh_make_public(&ecdh, &olen, buf, sizeof(buf),
myrand, NULL));
mbedtls_snprintf(title, sizeof(title), "ECDH-%s",
curve_info->name);
TIME_PUBLIC(title, "handshake",
CHECK_AND_CONTINUE(mbedtls_ecdh_calc_secret(&ecdh, &olen, buf, sizeof(buf),
myrand, NULL)));
mbedtls_ecdh_free(&ecdh);
}
/* Montgomery curves need to be handled separately */
for (curve_info = selected_montgomery_curve_list;
curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
curve_info++) {
mbedtls_ecdh_init(&ecdh);
mbedtls_mpi_init(&z);
CHECK_AND_CONTINUE(mbedtls_ecp_group_load(&ecdh.grp, curve_info->grp_id));
CHECK_AND_CONTINUE(mbedtls_ecdh_gen_public(&ecdh.grp, &ecdh.d, &ecdh.Qp,
myrand, NULL));
CHECK_AND_CONTINUE(mbedtls_ecdh_gen_public(&ecdh.grp, &ecdh.d, &ecdh.Q, myrand, NULL));
mbedtls_snprintf(title, sizeof(title), "ECDH-%s",
curve_info->name);
TIME_PUBLIC(title, "handshake",
CHECK_AND_CONTINUE(mbedtls_ecdh_compute_shared(&ecdh.grp, &z, &ecdh.Qp,
&ecdh.d,
myrand, NULL)));
mbedtls_ecdh_free(&ecdh);
mbedtls_mpi_free(&z);
}
}
#endif
#if defined(MBEDTLS_ECDH_C)
if (todo.ecdh) {
mbedtls_ecdh_context ecdh_srv, ecdh_cli;
unsigned char buf_srv[BUFSIZE], buf_cli[BUFSIZE];
const mbedtls_ecp_curve_info *curve_info;
size_t olen;
for (curve_info = curve_list;
curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
curve_info++) {
if (!mbedtls_ecdh_can_do(curve_info->grp_id)) {
continue;
}
mbedtls_ecdh_init(&ecdh_srv);
mbedtls_ecdh_init(&ecdh_cli);
mbedtls_snprintf(title, sizeof(title), "ECDHE-%s", curve_info->name);
TIME_PUBLIC(title,
"full handshake",
const unsigned char *p_srv = buf_srv;
CHECK_AND_CONTINUE(mbedtls_ecdh_setup(&ecdh_srv, curve_info->grp_id));
CHECK_AND_CONTINUE(mbedtls_ecdh_make_params(&ecdh_srv, &olen, buf_srv,
sizeof(buf_srv), myrand, NULL));
CHECK_AND_CONTINUE(mbedtls_ecdh_read_params(&ecdh_cli, &p_srv,
p_srv + olen));
CHECK_AND_CONTINUE(mbedtls_ecdh_make_public(&ecdh_cli, &olen, buf_cli,
sizeof(buf_cli), myrand, NULL));
CHECK_AND_CONTINUE(mbedtls_ecdh_read_public(&ecdh_srv, buf_cli, olen));
CHECK_AND_CONTINUE(mbedtls_ecdh_calc_secret(&ecdh_srv, &olen, buf_srv,
sizeof(buf_srv), myrand, NULL));
CHECK_AND_CONTINUE(mbedtls_ecdh_calc_secret(&ecdh_cli, &olen, buf_cli,
sizeof(buf_cli), myrand, NULL));
mbedtls_ecdh_free(&ecdh_cli);
mbedtls_ecdh_free(&ecdh_srv);
);
}
}
#endif
mbedtls_printf("\n");
#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
mbedtls_memory_buffer_alloc_free();
#endif
mbedtls_exit(0);
}
#endif /* MBEDTLS_HAVE_TIME */
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