|  | /* | 
|  | *  Benchmark demonstration program | 
|  | * | 
|  | *  Copyright (C) 2006-2016, ARM Limited, All Rights Reserved | 
|  | *  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. | 
|  | * | 
|  | *  This file is part of mbed TLS (https://tls.mbed.org) | 
|  | */ | 
|  |  | 
|  | #if !defined(MBEDTLS_CONFIG_FILE) | 
|  | #include "mbedtls/config.h" | 
|  | #else | 
|  | #include MBEDTLS_CONFIG_FILE | 
|  | #endif | 
|  |  | 
|  | #if defined(MBEDTLS_PLATFORM_C) | 
|  | #include "mbedtls/platform.h" | 
|  | #else | 
|  | #include <stdio.h> | 
|  | #define mbedtls_exit       exit | 
|  | #define mbedtls_printf     printf | 
|  | #define mbedtls_snprintf   snprintf | 
|  | #define mbedtls_free       free | 
|  | #endif | 
|  |  | 
|  | #if !defined(MBEDTLS_TIMING_C) | 
|  | int main( void ) | 
|  | { | 
|  | mbedtls_printf("MBEDTLS_TIMING_C not defined.\n"); | 
|  | return( 0 ); | 
|  | } | 
|  | #else | 
|  |  | 
|  | #include <string.h> | 
|  | #include <stdlib.h> | 
|  |  | 
|  | #include "mbedtls/timing.h" | 
|  |  | 
|  | #include "mbedtls/md4.h" | 
|  | #include "mbedtls/md5.h" | 
|  | #include "mbedtls/ripemd160.h" | 
|  | #include "mbedtls/sha1.h" | 
|  | #include "mbedtls/sha256.h" | 
|  | #include "mbedtls/sha512.h" | 
|  |  | 
|  | #include "mbedtls/arc4.h" | 
|  | #include "mbedtls/des.h" | 
|  | #include "mbedtls/aes.h" | 
|  | #include "mbedtls/aria.h" | 
|  | #include "mbedtls/blowfish.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/havege.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" | 
|  |  | 
|  | #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) | 
|  | #include "mbedtls/memory_buffer_alloc.h" | 
|  | #endif | 
|  |  | 
|  | /* | 
|  | * 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                                                         \ | 
|  | "md4, md5, ripemd160, sha1, sha256, sha512,\n"                      \ | 
|  | "arc4, des3, des, camellia, blowfish, chacha20,\n"                  \ | 
|  | "aes_cbc, aes_gcm, aes_ccm, aes_ctx, chachapoly,\n"                 \ | 
|  | "aes_cmac, des3_cmac, poly1305\n"                                   \ | 
|  | "havege, 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", -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) | 
|  |  | 
|  | #define MEMORY_MEASURE_INIT                                             \ | 
|  | size_t max_used, max_blocks, max_bytes;                             \ | 
|  | size_t prv_used, prv_blocks;                                        \ | 
|  | mbedtls_memory_buffer_alloc_cur_get( &prv_used, &prv_blocks );      \ | 
|  | mbedtls_memory_buffer_alloc_max_reset( ); | 
|  |  | 
|  | #define MEMORY_MEASURE_PRINT( title_len )                               \ | 
|  | mbedtls_memory_buffer_alloc_max_get( &max_used, &max_blocks );      \ | 
|  | for( ii = 12 - title_len; ii != 0; 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", (unsigned) max_bytes ); | 
|  |  | 
|  | #else | 
|  | #define MEMORY_MEASURE_INIT | 
|  | #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++ )             \ | 
|  | {                                                                   \ | 
|  | CODE;                                                           \ | 
|  | }                                                                   \ | 
|  | \ | 
|  | if( ret != 0 )                                                      \ | 
|  | {                                                                   \ | 
|  | PRINT_ERROR;                                                    \ | 
|  | }                                                                   \ | 
|  | else                                                                \ | 
|  | {                                                                   \ | 
|  | mbedtls_printf( "%6lu " TYPE "/s", ii / 3 );                    \ | 
|  | MEMORY_MEASURE_PRINT( sizeof( TYPE ) + 1 );                     \ | 
|  | mbedtls_printf( "\n" );                                         \ | 
|  | }                                                                   \ | 
|  | } while( 0 ) | 
|  |  | 
|  | 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 ); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Clear some memory that was used to prepare the context | 
|  | */ | 
|  | #if defined(MBEDTLS_ECP_C) | 
|  | void ecp_clear_precomputed( mbedtls_ecp_group *grp ) | 
|  | { | 
|  | if( grp->T != NULL ) | 
|  | { | 
|  | size_t i; | 
|  | for( i = 0; i < grp->T_size; i++ ) | 
|  | mbedtls_ecp_point_free( &grp->T[i] ); | 
|  | mbedtls_free( grp->T ); | 
|  | } | 
|  | grp->T = NULL; | 
|  | grp->T_size = 0; | 
|  | } | 
|  | #else | 
|  | #define ecp_clear_precomputed( g ) | 
|  | #endif | 
|  |  | 
|  | unsigned char buf[BUFSIZE]; | 
|  |  | 
|  | typedef struct { | 
|  | char md4, md5, ripemd160, sha1, sha256, sha512, | 
|  | arc4, des3, des, | 
|  | aes_cbc, aes_gcm, aes_ccm, aes_xts, chachapoly, | 
|  | aes_cmac, des3_cmac, | 
|  | aria, camellia, blowfish, chacha20, | 
|  | poly1305, | 
|  | havege, 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( argc <= 1 ) | 
|  | { | 
|  | memset( &todo, 1, sizeof( todo ) ); | 
|  | } | 
|  | else | 
|  | { | 
|  | memset( &todo, 0, sizeof( todo ) ); | 
|  |  | 
|  | for( i = 1; i < argc; i++ ) | 
|  | { | 
|  | if( strcmp( argv[i], "md4" ) == 0 ) | 
|  | todo.md4 = 1; | 
|  | else 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], "arc4" ) == 0 ) | 
|  | todo.arc4 = 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], "blowfish" ) == 0 ) | 
|  | todo.blowfish = 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], "havege" ) == 0 ) | 
|  | todo.havege = 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; | 
|  | 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 ) ); | 
|  |  | 
|  | #if defined(MBEDTLS_MD4_C) | 
|  | if( todo.md4 ) | 
|  | TIME_AND_TSC( "MD4", mbedtls_md4_ret( buf, BUFSIZE, tmp ) ); | 
|  | #endif | 
|  |  | 
|  | #if defined(MBEDTLS_MD5_C) | 
|  | if( todo.md5 ) | 
|  | TIME_AND_TSC( "MD5", mbedtls_md5_ret( buf, BUFSIZE, tmp ) ); | 
|  | #endif | 
|  |  | 
|  | #if defined(MBEDTLS_RIPEMD160_C) | 
|  | if( todo.ripemd160 ) | 
|  | TIME_AND_TSC( "RIPEMD160", mbedtls_ripemd160_ret( buf, BUFSIZE, tmp ) ); | 
|  | #endif | 
|  |  | 
|  | #if defined(MBEDTLS_SHA1_C) | 
|  | if( todo.sha1 ) | 
|  | TIME_AND_TSC( "SHA-1", mbedtls_sha1_ret( buf, BUFSIZE, tmp ) ); | 
|  | #endif | 
|  |  | 
|  | #if defined(MBEDTLS_SHA256_C) | 
|  | if( todo.sha256 ) | 
|  | TIME_AND_TSC( "SHA-256", mbedtls_sha256_ret( buf, BUFSIZE, tmp, 0 ) ); | 
|  | #endif | 
|  |  | 
|  | #if defined(MBEDTLS_SHA512_C) | 
|  | if( todo.sha512 ) | 
|  | TIME_AND_TSC( "SHA-512", mbedtls_sha512_ret( buf, BUFSIZE, tmp, 0 ) ); | 
|  | #endif | 
|  |  | 
|  | #if defined(MBEDTLS_ARC4_C) | 
|  | if( todo.arc4 ) | 
|  | { | 
|  | mbedtls_arc4_context arc4; | 
|  | mbedtls_arc4_init( &arc4 ); | 
|  | mbedtls_arc4_setup( &arc4, tmp, 32 ); | 
|  | TIME_AND_TSC( "ARC4", mbedtls_arc4_crypt( &arc4, BUFSIZE, buf, buf ) ); | 
|  | mbedtls_arc4_free( &arc4 ); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #if defined(MBEDTLS_DES_C) | 
|  | #if defined(MBEDTLS_CIPHER_MODE_CBC) | 
|  | if( todo.des3 ) | 
|  | { | 
|  | mbedtls_des3_context des3; | 
|  | mbedtls_des3_init( &des3 ); | 
|  | mbedtls_des3_set3key_enc( &des3, tmp ); | 
|  | 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 ); | 
|  | mbedtls_des_setkey_enc( &des, tmp ); | 
|  | 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 ) ); | 
|  | 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 ) ); | 
|  | 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_BLOWFISH_C) && defined(MBEDTLS_CIPHER_MODE_CBC) | 
|  | if( todo.blowfish ) | 
|  | { | 
|  | int keysize; | 
|  | mbedtls_blowfish_context blowfish; | 
|  | mbedtls_blowfish_init( &blowfish ); | 
|  |  | 
|  | for( keysize = 128; keysize <= 256; keysize += 64 ) | 
|  | { | 
|  | mbedtls_snprintf( title, sizeof( title ), "BLOWFISH-CBC-%d", keysize ); | 
|  |  | 
|  | memset( buf, 0, sizeof( buf ) ); | 
|  | memset( tmp, 0, sizeof( tmp ) ); | 
|  | mbedtls_blowfish_setkey( &blowfish, tmp, keysize ); | 
|  |  | 
|  | TIME_AND_TSC( title, | 
|  | mbedtls_blowfish_crypt_cbc( &blowfish, MBEDTLS_BLOWFISH_ENCRYPT, BUFSIZE, | 
|  | tmp, buf, buf ) ); | 
|  | } | 
|  |  | 
|  | mbedtls_blowfish_free( &blowfish ); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #if defined(MBEDTLS_HAVEGE_C) | 
|  | if( todo.havege ) | 
|  | { | 
|  | mbedtls_havege_state hs; | 
|  | mbedtls_havege_init( &hs ); | 
|  | TIME_AND_TSC( "HAVEGE", mbedtls_havege_random( &hs, buf, BUFSIZE ) ); | 
|  | mbedtls_havege_free( &hs ); | 
|  | } | 
|  | #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 ) ); | 
|  |  | 
|  | 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_PKCS_V15, 0 ); | 
|  | 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; | 
|  | 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 ); | 
|  | } | 
|  |  | 
|  | dhm.len = mbedtls_mpi_size( &dhm.P ); | 
|  | mbedtls_dhm_make_public( &dhm, (int) dhm.len, buf, dhm.len, 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) dhm.len, buf, dhm.len, | 
|  | 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 = mbedtls_ecp_curve_list(); | 
|  | curve_info->grp_id != MBEDTLS_ECP_DP_NONE; | 
|  | curve_info++ ) | 
|  | { | 
|  | mbedtls_ecdsa_init( &ecdsa ); | 
|  |  | 
|  | if( mbedtls_ecdsa_genkey( &ecdsa, curve_info->grp_id, myrand, NULL ) != 0 ) | 
|  | mbedtls_exit( 1 ); | 
|  | ecp_clear_precomputed( &ecdsa.grp ); | 
|  |  | 
|  | 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, &sig_len, myrand, NULL ) ); | 
|  |  | 
|  | mbedtls_ecdsa_free( &ecdsa ); | 
|  | } | 
|  |  | 
|  | for( curve_info = mbedtls_ecp_curve_list(); | 
|  | curve_info->grp_id != MBEDTLS_ECP_DP_NONE; | 
|  | curve_info++ ) | 
|  | { | 
|  | 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, &sig_len, myrand, NULL ) != 0 ) | 
|  | { | 
|  | mbedtls_exit( 1 ); | 
|  | } | 
|  | ecp_clear_precomputed( &ecdsa.grp ); | 
|  |  | 
|  | 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) | 
|  | 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; | 
|  |  | 
|  | for( curve_info = mbedtls_ecp_curve_list(); | 
|  | curve_info->grp_id != MBEDTLS_ECP_DP_NONE; | 
|  | curve_info++ ) | 
|  | { | 
|  | mbedtls_ecdh_init( &ecdh ); | 
|  |  | 
|  | if( mbedtls_ecp_group_load( &ecdh.grp, curve_info->grp_id ) != 0 || | 
|  | mbedtls_ecdh_make_public( &ecdh, &olen, buf, sizeof( buf), | 
|  | myrand, NULL ) != 0 || | 
|  | mbedtls_ecp_copy( &ecdh.Qp, &ecdh.Q ) != 0 ) | 
|  | { | 
|  | mbedtls_exit( 1 ); | 
|  | } | 
|  | ecp_clear_precomputed( &ecdh.grp ); | 
|  |  | 
|  | mbedtls_snprintf( title, sizeof( title ), "ECDHE-%s", | 
|  | curve_info->name ); | 
|  | TIME_PUBLIC( title, "handshake", | 
|  | ret |= mbedtls_ecdh_make_public( &ecdh, &olen, buf, sizeof( buf), | 
|  | myrand, NULL ); | 
|  | ret |= 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 = montgomery_curve_list; | 
|  | curve_info->grp_id != MBEDTLS_ECP_DP_NONE; | 
|  | curve_info++ ) | 
|  | { | 
|  | mbedtls_ecdh_init( &ecdh ); | 
|  | mbedtls_mpi_init( &z ); | 
|  |  | 
|  | if( mbedtls_ecp_group_load( &ecdh.grp, curve_info->grp_id ) != 0 || | 
|  | mbedtls_ecdh_gen_public( &ecdh.grp, &ecdh.d, &ecdh.Qp, myrand, NULL ) != 0 ) | 
|  | { | 
|  | mbedtls_exit( 1 ); | 
|  | } | 
|  |  | 
|  | mbedtls_snprintf( title, sizeof(title), "ECDHE-%s", | 
|  | curve_info->name ); | 
|  | TIME_PUBLIC(  title, "handshake", | 
|  | ret |= mbedtls_ecdh_gen_public( &ecdh.grp, &ecdh.d, &ecdh.Q, | 
|  | myrand, NULL ); | 
|  | ret |= mbedtls_ecdh_compute_shared( &ecdh.grp, &z, &ecdh.Qp, &ecdh.d, | 
|  | myrand, NULL ) ); | 
|  |  | 
|  | mbedtls_ecdh_free( &ecdh ); | 
|  | mbedtls_mpi_free( &z ); | 
|  | } | 
|  |  | 
|  | for( curve_info = mbedtls_ecp_curve_list(); | 
|  | curve_info->grp_id != MBEDTLS_ECP_DP_NONE; | 
|  | curve_info++ ) | 
|  | { | 
|  | mbedtls_ecdh_init( &ecdh ); | 
|  |  | 
|  | if( mbedtls_ecp_group_load( &ecdh.grp, curve_info->grp_id ) != 0 || | 
|  | mbedtls_ecdh_make_public( &ecdh, &olen, buf, sizeof( buf), | 
|  | myrand, NULL ) != 0 || | 
|  | mbedtls_ecp_copy( &ecdh.Qp, &ecdh.Q ) != 0 || | 
|  | mbedtls_ecdh_make_public( &ecdh, &olen, buf, sizeof( buf), | 
|  | myrand, NULL ) != 0 ) | 
|  | { | 
|  | mbedtls_exit( 1 ); | 
|  | } | 
|  | ecp_clear_precomputed( &ecdh.grp ); | 
|  |  | 
|  | mbedtls_snprintf( title, sizeof( title ), "ECDH-%s", | 
|  | curve_info->name ); | 
|  | TIME_PUBLIC( title, "handshake", | 
|  | ret |= 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 = montgomery_curve_list; | 
|  | curve_info->grp_id != MBEDTLS_ECP_DP_NONE; | 
|  | curve_info++) | 
|  | { | 
|  | mbedtls_ecdh_init( &ecdh ); | 
|  | mbedtls_mpi_init( &z ); | 
|  |  | 
|  | if( mbedtls_ecp_group_load( &ecdh.grp, curve_info->grp_id ) != 0 || | 
|  | mbedtls_ecdh_gen_public( &ecdh.grp, &ecdh.d, &ecdh.Qp, | 
|  | myrand, NULL ) != 0 || | 
|  | mbedtls_ecdh_gen_public( &ecdh.grp, &ecdh.d, &ecdh.Q, myrand, NULL ) != 0 ) | 
|  | { | 
|  | mbedtls_exit( 1 ); | 
|  | } | 
|  |  | 
|  | mbedtls_snprintf( title, sizeof(title), "ECDH-%s", | 
|  | curve_info->name ); | 
|  | TIME_PUBLIC(  title, "handshake", | 
|  | ret |= mbedtls_ecdh_compute_shared( &ecdh.grp, &z, &ecdh.Qp, &ecdh.d, | 
|  | myrand, NULL ) ); | 
|  |  | 
|  | mbedtls_ecdh_free( &ecdh ); | 
|  | mbedtls_mpi_free( &z ); | 
|  | } | 
|  | } | 
|  | #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 | 
|  |  | 
|  | return( 0 ); | 
|  | } | 
|  |  | 
|  | #endif /* MBEDTLS_TIMING_C */ |