1#!/bin/sh 2 3# Measure heap usage (and performance) of ECC operations with various values of 4# the relevant tunable compile-time parameters. 5# 6# Usage (preferably on a 32-bit platform): 7# cmake -D CMAKE_BUILD_TYPE=Release . 8# scripts/ecc-heap.sh | tee ecc-heap.log 9# 10# Copyright The Mbed TLS Contributors 11# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later 12# 13# This file is provided under the Apache License 2.0, or the 14# GNU General Public License v2.0 or later. 15# 16# ********** 17# Apache License 2.0: 18# 19# Licensed under the Apache License, Version 2.0 (the "License"); you may 20# not use this file except in compliance with the License. 21# You may obtain a copy of the License at 22# 23# http://www.apache.org/licenses/LICENSE-2.0 24# 25# Unless required by applicable law or agreed to in writing, software 26# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 27# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 28# See the License for the specific language governing permissions and 29# limitations under the License. 30# 31# ********** 32# 33# ********** 34# GNU General Public License v2.0 or later: 35# 36# This program is free software; you can redistribute it and/or modify 37# it under the terms of the GNU General Public License as published by 38# the Free Software Foundation; either version 2 of the License, or 39# (at your option) any later version. 40# 41# This program is distributed in the hope that it will be useful, 42# but WITHOUT ANY WARRANTY; without even the implied warranty of 43# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 44# GNU General Public License for more details. 45# 46# You should have received a copy of the GNU General Public License along 47# with this program; if not, write to the Free Software Foundation, Inc., 48# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 49# 50# ********** 51 52set -eu 53 54CONFIG_H='include/mbedtls/config.h' 55 56if [ -r $CONFIG_H ]; then :; else 57 echo "$CONFIG_H not found" >&2 58 exit 1 59fi 60 61if grep -i cmake Makefile >/dev/null; then :; else 62 echo "Needs Cmake" >&2 63 exit 1 64fi 65 66if git status | grep -F $CONFIG_H >/dev/null 2>&1; then 67 echo "config.h not clean" >&2 68 exit 1 69fi 70 71CONFIG_BAK=${CONFIG_H}.bak 72cp $CONFIG_H $CONFIG_BAK 73 74cat << EOF >$CONFIG_H 75#define MBEDTLS_PLATFORM_C 76#define MBEDTLS_PLATFORM_MEMORY 77#define MBEDTLS_MEMORY_BUFFER_ALLOC_C 78#define MBEDTLS_MEMORY_DEBUG 79 80#define MBEDTLS_TIMING_C 81 82#define MBEDTLS_BIGNUM_C 83#define MBEDTLS_ECP_C 84#define MBEDTLS_ASN1_PARSE_C 85#define MBEDTLS_ASN1_WRITE_C 86#define MBEDTLS_ECDSA_C 87#define MBEDTLS_ECDH_C 88 89#define MBEDTLS_ECP_DP_SECP192R1_ENABLED 90#define MBEDTLS_ECP_DP_SECP224R1_ENABLED 91#define MBEDTLS_ECP_DP_SECP256R1_ENABLED 92#define MBEDTLS_ECP_DP_SECP384R1_ENABLED 93#define MBEDTLS_ECP_DP_SECP521R1_ENABLED 94#define MBEDTLS_ECP_DP_CURVE25519_ENABLED 95 96#include "check_config.h" 97 98//#define MBEDTLS_ECP_WINDOW_SIZE 6 99//#define MBEDTLS_ECP_FIXED_POINT_OPTIM 1 100EOF 101 102for F in 0 1; do 103 for W in 2 3 4 5 6; do 104 scripts/config.pl set MBEDTLS_ECP_WINDOW_SIZE $W 105 scripts/config.pl set MBEDTLS_ECP_FIXED_POINT_OPTIM $F 106 make benchmark >/dev/null 2>&1 107 echo "fixed point optim = $F, max window size = $W" 108 echo "--------------------------------------------" 109 programs/test/benchmark 110 done 111done 112 113# cleanup 114 115mv $CONFIG_BAK $CONFIG_H 116make clean 117