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Merge pull request #9494 from SparkiDev/benchmark_ecdsa_p521

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Benchmark ECDSA: use digest size instead of key size
This commit is contained in:
Daniel Pouzzner
2025-12-11 12:43:58 -06:00
committed by GitHub
parent 093f15ca4f 886b0c2ec6
commit f26a52e2dd
1 changed files with 28 additions and 4 deletions
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32
wolfcrypt/benchmark/benchmark.c
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@@ -12040,6 +12040,7 @@ void bench_ecc(int useDeviceID, int curveId)
int ret = 0, i, times, count, pending = 0;
int deviceID;
int keySize;
int dgstSize;
char name[BENCH_ECC_NAME_SZ];
WC_DECLARE_ARRAY(genKey, ecc_key, BENCH_MAX_PENDING,
sizeof(ecc_key), HEAP_HINT);
@@ -12068,7 +12069,7 @@ void bench_ecc(int useDeviceID, int curveId)
WC_DECLARE_ARRAY(sig, byte,
BENCH_MAX_PENDING, ECC_MAX_SIG_SIZE, HEAP_HINT);
WC_DECLARE_ARRAY(digest, byte,
BENCH_MAX_PENDING, MAX_ECC_BYTES, HEAP_HINT);
BENCH_MAX_PENDING, WC_MAX_DIGEST_SIZE, HEAP_HINT);
#endif
bench_stats_prepare();
@@ -12099,6 +12100,29 @@ void bench_ecc(int useDeviceID, int curveId)
deviceID = useDeviceID ? devId : INVALID_DEVID;
keySize = wc_ecc_get_curve_size_from_id(curveId);
if (keySize < 28) {
/* SHA-1 */
dgstSize = 20;
}
else if (keySize < 32) {
/* SHA-224/SHA512-224/SHA3-224 */
dgstSize = 28;
}
else if (keySize < 48) {
/* SHA-256/SHA512-256/SHA3-256 */
dgstSize = 32;
}
else if (keySize < 64) {
/* SHA-384/SHA3-384 */
dgstSize = 48;
}
else {
/* SHA-512/SHA3-512 */
dgstSize = 64;
}
if (dgstSize > WC_MAX_DIGEST_SIZE) {
dgstSize = WC_MAX_DIGEST_SIZE;
}
/* init keys */
for (i = 0; i < BENCH_MAX_PENDING; i++) {
@@ -12187,7 +12211,7 @@ exit_ecdhe:
/* Init digest to sign */
for (i = 0; i < BENCH_MAX_PENDING; i++) {
for (count = 0; count < keySize; count++) {
for (count = 0; count < dgstSize; count++) {
digest[i][count] = (byte)count;
}
}
@@ -12207,7 +12231,7 @@ exit_ecdhe:
x[i] = ECC_MAX_SIG_SIZE;
}
ret = wc_ecc_sign_hash(digest[i], (word32)keySize, sig[i],
ret = wc_ecc_sign_hash(digest[i], (word32)dgstSize, sig[i],
&x[i], GLOBAL_RNG, genKey[i]);
if (!bench_async_handle(&ret,
@@ -12259,7 +12283,7 @@ exit_ecdsa_sign:
}
ret = wc_ecc_verify_hash(sig[i], x[i], digest[i],
(word32)keySize, &verify[i],
(word32)dgstSize, &verify[i],
genKey[i]);
if (!bench_async_handle(&ret,