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Merge pull request #5744 from mpg/benchmark-ecc-heap-2.28

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[backport 2.28]  Improve benchmarking of ECC heap usage
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Gilles Peskine 2022-04-22 16:43:04 +02:00 committed by GitHub
commit 8e9e1f6819
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2 changed files with 23 additions and 9 deletions
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9
programs/test/benchmark.c
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@ -152,11 +152,12 @@ do { \
* Updated manually as the output of the following command:
*
* sed -n 's/.*[T]IME_PUBLIC.*"\(.*\)",/\1/p' programs/test/benchmark.c |
* awk '{print length+2}' | sort -rn | head -n1
* awk '{print length+3}' | sort -rn | head -n1
*
* This computes the maximum length of a title +2 (because we appends "/s").
* (If the value is too small, the only consequence is poor alignement.) */
#define TITLE_SPACE 16
* 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; \

23
scripts/ecc-heap.sh
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@ -54,32 +54,45 @@ cat << EOF >$CONFIG_H
#define MBEDTLS_BIGNUM_C
#define MBEDTLS_ECP_C
#define MBEDTLS_ECP_NO_INTERNAL_RNG
#define MBEDTLS_ASN1_PARSE_C
#define MBEDTLS_ASN1_WRITE_C
#define MBEDTLS_ECDSA_C
#define MBEDTLS_SHA256_C // ECDSA benchmark needs it
#define MBEDTLS_SHA224_C // SHA256 requires this for now
#define MBEDTLS_ECDH_C
#define MBEDTLS_ECP_DP_SECP192R1_ENABLED
#define MBEDTLS_ECP_DP_SECP224R1_ENABLED
// NIST curves >= 256 bits
#define MBEDTLS_ECP_DP_SECP256R1_ENABLED
#define MBEDTLS_ECP_DP_SECP384R1_ENABLED
#define MBEDTLS_ECP_DP_SECP521R1_ENABLED
// SECP "koblitz-like" curve >= 256 bits
#define MBEDTLS_ECP_DP_SECP256K1_ENABLED
// Brainpool curves (no specialised "mod p" routine)
#define MBEDTLS_ECP_DP_BP256R1_ENABLED
#define MBEDTLS_ECP_DP_BP384R1_ENABLED
#define MBEDTLS_ECP_DP_BP512R1_ENABLED
// Montgomery curves
#define MBEDTLS_ECP_DP_CURVE25519_ENABLED
#define MBEDTLS_ECP_DP_CURVE448_ENABLED
#include "check_config.h"
//#define MBEDTLS_ECP_WINDOW_SIZE 6
#define MBEDTLS_HAVE_ASM // just make things a bit faster
#define MBEDTLS_ECP_NIST_OPTIM // faster and less allocations
//#define MBEDTLS_ECP_WINDOW_SIZE 4
//#define MBEDTLS_ECP_FIXED_POINT_OPTIM 1
EOF
for F in 0 1; do
for W in 2 3 4 5 6; do
for W in 2 3 4; 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
programs/test/benchmark ecdh ecdsa
done
done