From 4b1e6eecb75261f8b5c8fee4dc9b8dad9bcf089b Mon Sep 17 00:00:00 2001
From: Fletcher Haynes <fletcher@capitalprawn.com>
Date: Tue, 18 Sep 2018 09:36:38 -0700
Subject: [PATCH] Add benchmark for combining signatures
---
benches/bench.rs | 44 +++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 43 insertions(+), 1 deletion(-)
diff --git a/benches/bench.rs b/benches/bench.rs
index bc67fdb..5cf4f90 100644
--- a/benches/bench.rs
+++ b/benches/bench.rs
@@ -9,6 +9,7 @@ use pairing::bls12_381::Fr;
use threshold_crypto::poly::Poly;
const TEST_DEGREES: [usize; 4] = [5, 10, 20, 40];
+const TEST_THRESHOLDS: [usize; 4] = [5, 10, 20, 40];
const RNG_SEED: [u32; 4] = [1, 2, 3, 4];
mod poly_benches {
@@ -86,4 +87,45 @@ mod poly_benches {
}
}
-criterion_main!(poly_benches::poly_benches);
+mod public_key_set_benches {
+ use super::*;
+ use rand::{SeedableRng, XorShiftRng};
+ use std::collections::BTreeMap;
+ use threshold_crypto::SecretKeySet;
+
+ /// Benchmarks combining signatures
+ fn combine_signatures(c: &mut Criterion) {
+ let mut rng = XorShiftRng::from_seed(RNG_SEED);
+ let msg = "Test message";
+ c.bench_function_over_inputs(
+ "Combine Signatures",
+ move |b, &&threshold| {
+ let sk_set = SecretKeySet::random(threshold, &mut rng);
+ let pk_set = sk_set.public_keys();
+ let mut sig_parts: Vec<usize> = (0..threshold+1).collect();
+ let pieces: &mut [usize] = &mut sig_parts;
+ let sigs: BTreeMap<_, _> = pieces
+ .iter()
+ .map(|&i| {
+ let sig = sk_set.secret_key_share(i).sign(msg);
+ (i, sig)
+ }).collect();
+ b.iter(|| {
+ pk_set.combine_signatures(&sigs).expect("could not combine signatures");
+ })
+ },
+ &TEST_THRESHOLDS,
+ );
+ }
+
+ criterion_group!{
+ name = public_key_set_benches;
+ config = Criterion::default();
+ targets = combine_signatures,
+ }
+}
+
+criterion_main!(
+ //poly_benches::poly_benches,
+ public_key_set_benches::public_key_set_benches
+);