threshold_crypto/benches/bench.rs

134 lines
4.2 KiB
Rust

#[macro_use]
extern crate criterion;
extern crate pairing;
extern crate rand;
extern crate threshold_crypto;
use criterion::Criterion;
use threshold_crypto::poly::Poly;
use threshold_crypto::Fr;
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 {
use super::*;
use rand::{Rng, SeedableRng, XorShiftRng};
/// Benchmarks multiplication of two polynomials.
fn multiplication(c: &mut Criterion) {
let mut rng = XorShiftRng::from_seed(RNG_SEED);
c.bench_function_over_inputs(
"Polynomial multiplication",
move |b, &&deg| {
let rand_factors = || {
let lhs = Poly::random(deg, &mut rng);
let rhs = Poly::random(deg, &mut rng);
(lhs, rhs)
};
b.iter_with_setup(rand_factors, |(lhs, rhs)| &lhs * &rhs)
},
&TEST_DEGREES,
);
}
/// Benchmarks subtraction of two polynomials
fn subtraction(c: &mut Criterion) {
let mut rng = XorShiftRng::from_seed(RNG_SEED);
c.bench_function_over_inputs(
"Polynomial subtraction",
move |b, &&deg| {
let rand_factors = || {
let lhs = Poly::random(deg, &mut rng);
let rhs = Poly::random(deg, &mut rng);
(lhs, rhs)
};
b.iter_with_setup(rand_factors, |(lhs, rhs)| &lhs - &rhs)
},
&TEST_DEGREES,
);
}
/// Benchmarks addition of two polynomials
fn addition(c: &mut Criterion) {
let mut rng = XorShiftRng::from_seed(RNG_SEED);
c.bench_function_over_inputs(
"Polynomial addition",
move |b, &&deg| {
let rand_factors = || {
let lhs = Poly::random(deg, &mut rng);
let rhs = Poly::random(deg, &mut rng);
(lhs, rhs)
};
b.iter_with_setup(rand_factors, |(lhs, rhs)| &lhs + &rhs)
},
&TEST_DEGREES,
);
}
/// Benchmarks Lagrange interpolation for a polynomial.
fn interpolate(c: &mut Criterion) {
let mut rng = XorShiftRng::from_seed(RNG_SEED);
c.bench_function_over_inputs(
"Polynomial interpolation",
move |b, &&deg| {
let rand_samples = || (0..=deg).map(|i| (i, rng.gen::<Fr>())).collect::<Vec<_>>();
b.iter_with_setup(rand_samples, Poly::interpolate)
},
&TEST_DEGREES,
);
}
criterion_group!{
name = poly_benches;
config = Criterion::default();
targets = multiplication, interpolate, addition, subtraction,
}
}
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
);