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use criterion::{BenchmarkId, Criterion, Throughput, criterion_group, criterion_main};
use zears::{Aez, primitives};
fn bench(c: &mut Criterion) {
let mut group = c.benchmark_group("primitives");
const KB: usize = 1024;
let aez = Aez::new(&[0u8; 48]);
for size in [0, 16, 32, 64, KB].into_iter() {
group.throughput(Throughput::Bytes(size as u64));
group.bench_function(BenchmarkId::new("aez_hash", size), |b| {
let tweak = vec![0u8; size];
b.iter(|| primitives::aez_hash(&aez, [&tweak]))
});
// Make sure we also hit the path for tweaks that are not exactly block sized
let size = size + 8;
group.throughput(Throughput::Bytes(size as u64));
group.bench_function(BenchmarkId::new("aez_hash", size), |b| {
let tweak = vec![0u8; size];
b.iter(|| primitives::aez_hash(&aez, [&tweak]))
});
}
for size in [KB, 2 * KB, 4 * KB, 8 * KB, 16 * KB].into_iter() {
group.throughput(Throughput::Bytes(size as u64));
group.bench_function(BenchmarkId::new("aez_prf", size), |b| {
let mut buffer = vec![0u8; size];
let tweak: [&[u8]; 0] = [];
b.iter(|| primitives::aez_prf(&aez, tweak, &mut buffer))
});
group.bench_function(BenchmarkId::new("encipher", size), |b| {
let mut buffer = vec![0u8; size];
let tweak: [&[u8]; 0] = [];
b.iter(|| primitives::encipher(&aez, tweak, &mut buffer))
});
group.bench_function(BenchmarkId::new("decipher", size), |b| {
let mut buffer = vec![0u8; size];
let tweak: [&[u8]; 0] = [];
b.iter(|| primitives::decipher(&aez, tweak, &mut buffer))
});
}
group.finish();
c.bench_function("primitives/e", |b| {
b.iter(|| primitives::e(1, 1, &aez, [0; 16]))
});
}
criterion_group!(benches, bench);
criterion_main!(benches);
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