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 13set -eu 14 15CONFIG_H='include/mbedtls/config.h' 16 17if [ -r $CONFIG_H ]; then :; else 18 echo "$CONFIG_H not found" >&2 19 exit 1 20fi 21 22if grep -i cmake Makefile >/dev/null; then :; else 23 echo "Needs Cmake" >&2 24 exit 1 25fi 26 27if git status | grep -F $CONFIG_H >/dev/null 2>&1; then 28 echo "config.h not clean" >&2 29 exit 1 30fi 31 32CONFIG_BAK=${CONFIG_H}.bak 33cp $CONFIG_H $CONFIG_BAK 34 35cat << EOF >$CONFIG_H 36#define MBEDTLS_PLATFORM_C 37#define MBEDTLS_PLATFORM_MEMORY 38#define MBEDTLS_MEMORY_BUFFER_ALLOC_C 39#define MBEDTLS_MEMORY_DEBUG 40 41#define MBEDTLS_TIMING_C 42 43#define MBEDTLS_BIGNUM_C 44#define MBEDTLS_ECP_C 45#define MBEDTLS_ECP_NO_INTERNAL_RNG 46#define MBEDTLS_ASN1_PARSE_C 47#define MBEDTLS_ASN1_WRITE_C 48#define MBEDTLS_ECDSA_C 49#define MBEDTLS_SHA256_C // ECDSA benchmark needs it 50#define MBEDTLS_SHA224_C // SHA256 requires this for now 51#define MBEDTLS_ECDH_C 52 53// NIST curves >= 256 bits 54#define MBEDTLS_ECP_DP_SECP256R1_ENABLED 55#define MBEDTLS_ECP_DP_SECP384R1_ENABLED 56#define MBEDTLS_ECP_DP_SECP521R1_ENABLED 57// SECP "koblitz-like" curve >= 256 bits 58#define MBEDTLS_ECP_DP_SECP256K1_ENABLED 59// Brainpool curves (no specialised "mod p" routine) 60#define MBEDTLS_ECP_DP_BP256R1_ENABLED 61#define MBEDTLS_ECP_DP_BP384R1_ENABLED 62#define MBEDTLS_ECP_DP_BP512R1_ENABLED 63// Montgomery curves 64#define MBEDTLS_ECP_DP_CURVE25519_ENABLED 65#define MBEDTLS_ECP_DP_CURVE448_ENABLED 66 67#include "check_config.h" 68 69#define MBEDTLS_HAVE_ASM // just make things a bit faster 70#define MBEDTLS_ECP_NIST_OPTIM // faster and less allocations 71 72//#define MBEDTLS_ECP_WINDOW_SIZE 4 73//#define MBEDTLS_ECP_FIXED_POINT_OPTIM 1 74EOF 75 76for F in 0 1; do 77 for W in 2 3 4; do 78 scripts/config.py set MBEDTLS_ECP_WINDOW_SIZE $W 79 scripts/config.py set MBEDTLS_ECP_FIXED_POINT_OPTIM $F 80 make benchmark >/dev/null 2>&1 81 echo "fixed point optim = $F, max window size = $W" 82 echo "--------------------------------------------" 83 programs/test/benchmark ecdh ecdsa 84 done 85done 86 87# cleanup 88 89mv $CONFIG_BAK $CONFIG_H 90make clean 91