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MLKEM benchmark: also add a "private key from seed" benchmark.

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Change-Id: Ie78a79edb29e1ef0ed31ec621290262e6a6a6964
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/98067
Reviewed-by: Xiangfei Ding <xfding@google.com>
Auto-Submit: Rudolf Polzer <rpolzer@google.com>
Commit-Queue: Xiangfei Ding <xfding@google.com>
This commit is contained in:
Rudolf Polzer
2026-06-26 03:58:02 -07:00
committed by boringssl-scoped@luci-project-accounts.iam.gserviceaccount.com
parent e748facbaa
commit 9ae3188aba
1 changed files with 39 additions and 0 deletions
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bench/mlkem.cc
+39
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@@ -21,6 +21,7 @@
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/mlkem.h>
#include <openssl/rand.h>
#include "./internal.h"
@@ -136,6 +137,23 @@ void BM_SpeedMLKEM768KeyGenOnly(benchmark::State &state) {
}
}
void BM_SpeedMLKEM768PrivateKeyFromSeedOnly(benchmark::State &state) {
for (auto _ : state) {
state.PauseTiming();
uint8_t seed[MLKEM_SEED_BYTES];
RAND_bytes(seed, sizeof(seed));
benchmark::DoNotOptimize(seed);
state.ResumeTiming();
MLKEM768_private_key priv;
if (!MLKEM768_private_key_from_seed(&priv, seed, sizeof(seed))) {
state.SkipWithError("MLKEM768_private_key_from_seed failed");
return;
}
benchmark::DoNotOptimize(priv);
}
}
void BM_SpeedMLKEM768DecapOnly(benchmark::State &state) {
uint8_t ciphertext[MLKEM768_CIPHERTEXT_BYTES];
// This ciphertext is nonsense, but decap is constant-time so, for the
@@ -215,6 +233,23 @@ void BM_SpeedMLKEM1024KeyGenOnly(benchmark::State &state) {
}
}
void BM_SpeedMLKEM1024PrivateKeyFromSeedOnly(benchmark::State &state) {
for (auto _ : state) {
state.PauseTiming();
uint8_t seed[MLKEM_SEED_BYTES];
RAND_bytes(seed, sizeof(seed));
benchmark::DoNotOptimize(seed);
state.ResumeTiming();
MLKEM1024_private_key priv;
if (!MLKEM1024_private_key_from_seed(&priv, seed, sizeof(seed))) {
state.SkipWithError("MLKEM1024_private_key_from_seed failed");
return;
}
benchmark::DoNotOptimize(priv);
}
}
void BM_SpeedMLKEM1024DecapOnly(benchmark::State &state) {
uint8_t ciphertext[MLKEM1024_CIPHERTEXT_BYTES];
// This ciphertext is nonsense, but decap is constant-time so, for the
@@ -294,10 +329,14 @@ BSSL_BENCH_LAZY_REGISTER() {
BENCHMARK(BM_SpeedMLKEM1024ParseEncap)->Apply(bssl::bench::SetThreads);
BENCHMARK(BM_SpeedMLKEM768KeyGenOnly)->Apply(bssl::bench::SetThreads);
BENCHMARK(BM_SpeedMLKEM768PrivateKeyFromSeedOnly)
->Apply(bssl::bench::SetThreads);
BENCHMARK(BM_SpeedMLKEM768DecapOnly)->Apply(bssl::bench::SetThreads);
BENCHMARK(BM_SpeedMLKEM768ParseOnly)->Apply(bssl::bench::SetThreads);
BENCHMARK(BM_SpeedMLKEM768EncapOnly)->Apply(bssl::bench::SetThreads);
BENCHMARK(BM_SpeedMLKEM1024KeyGenOnly)->Apply(bssl::bench::SetThreads);
BENCHMARK(BM_SpeedMLKEM1024PrivateKeyFromSeedOnly)
->Apply(bssl::bench::SetThreads);
BENCHMARK(BM_SpeedMLKEM1024DecapOnly)->Apply(bssl::bench::SetThreads);
BENCHMARK(BM_SpeedMLKEM1024ParseOnly)->Apply(bssl::bench::SetThreads);
BENCHMARK(BM_SpeedMLKEM1024EncapOnly)->Apply(bssl::bench::SetThreads);