mbedtls/programs/test/benchmark.c
Pol Henarejos ebb3640ada
Added SHA3 to benchmark.
Taken from #1549, as it is closed.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
2022-05-20 20:07:40 +02:00

1312 lines
45 KiB
C

/*
* Benchmark demonstration program
*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define MBEDTLS_ALLOW_PRIVATE_ACCESS
#include "mbedtls/build_info.h"
#include "mbedtls/platform.h"
#if !defined(MBEDTLS_PLATFORM_C)
#include <stdio.h>
#include <stdlib.h>
#define mbedtls_exit exit
#define mbedtls_printf printf
#define mbedtls_free free
#endif
#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"
#ifndef asm
#define asm __asm
#endif
#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_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 alignement.) */
#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(_MSC_VER) && \
!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 && _MSC_VER && !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 ) * 1000000
+ ( 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 funcition'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_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_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_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)
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
#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.P, dhm_P[i],
dhm_P_size[i] ) != 0 ||
mbedtls_mpi_read_binary( &dhm.G, dhm_G[i],
dhm_G_size[i] ) != 0 )
{
mbedtls_exit( 1 );
}
n = mbedtls_mpi_size( &dhm.P );
mbedtls_dhm_make_public( &dhm, (int) n, buf, n, myrand, NULL );
if( mbedtls_mpi_copy( &dhm.GY, &dhm.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
#if defined(_WIN32)
mbedtls_printf( " Press Enter to exit this program.\n" );
fflush( stdout ); getchar();
#endif
mbedtls_exit( 0 );
}
#endif /* MBEDTLS_HAVE_TIME */