blob: 8d1beee5fbbc19b565d57d880abaab8d92a66cf9 [file] [log] [blame]
#!/bin/sh
# Measure heap usage (and performance) of ECC operations with various values of
# the relevant tunable compile-time parameters.
#
# Usage (preferably on a 32-bit platform):
# cmake -D CMAKE_BUILD_TYPE=Release .
# scripts/ecc-heap.sh | tee ecc-heap.log
#
# 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.
set -eu
CONFIG_H='include/mbedtls/config.h'
if [ -r $CONFIG_H ]; then :; else
echo "$CONFIG_H not found" >&2
exit 1
fi
if grep -i cmake Makefile >/dev/null; then :; else
echo "Needs Cmake" >&2
exit 1
fi
if git status | grep -F $CONFIG_H >/dev/null 2>&1; then
echo "config.h not clean" >&2
exit 1
fi
CONFIG_BAK=${CONFIG_H}.bak
cp $CONFIG_H $CONFIG_BAK
cat << EOF >$CONFIG_H
#define MBEDTLS_PLATFORM_C
#define MBEDTLS_PLATFORM_MEMORY
#define MBEDTLS_MEMORY_BUFFER_ALLOC_C
#define MBEDTLS_MEMORY_DEBUG
#define MBEDTLS_TIMING_C
#define MBEDTLS_BIGNUM_C
#define MBEDTLS_ECP_C
#define MBEDTLS_ASN1_PARSE_C
#define MBEDTLS_ASN1_WRITE_C
#define MBEDTLS_ECDSA_C
#define MBEDTLS_ECDH_C
#define MBEDTLS_ECP_DP_SECP192R1_ENABLED
#define MBEDTLS_ECP_DP_SECP224R1_ENABLED
#define MBEDTLS_ECP_DP_SECP256R1_ENABLED
#define MBEDTLS_ECP_DP_SECP384R1_ENABLED
#define MBEDTLS_ECP_DP_SECP521R1_ENABLED
#define MBEDTLS_ECP_DP_CURVE25519_ENABLED
#include "check_config.h"
//#define MBEDTLS_ECP_WINDOW_SIZE 6
//#define MBEDTLS_ECP_FIXED_POINT_OPTIM 1
EOF
for F in 0 1; do
for W in 2 3 4 5 6; do
scripts/config.py set MBEDTLS_ECP_WINDOW_SIZE $W
scripts/config.py set MBEDTLS_ECP_FIXED_POINT_OPTIM $F
make benchmark >/dev/null 2>&1
echo "fixed point optim = $F, max window size = $W"
echo "--------------------------------------------"
programs/test/benchmark
done
done
# cleanup
mv $CONFIG_BAK $CONFIG_H
make clean