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use criterion::{criterion_group, criterion_main, Criterion, Throughput};
use rand::prelude::*;
use tor_bytes::SecretBuf;
use tor_cell::relaycell::RelayCellFormatV0;
use tor_llcrypto::{
cipher::aes::{Aes128Ctr, Aes256Ctr},
d::{Sha1, Sha256},
};
use tor_proto::bench_utils::{client_encrypt, OutboundCryptWrapper, RelayBody};
mod cpu_time;
use cpu_time::*;
const HOP_NUM: u8 = 2;
/// Helper macro to setup a full circuit encryption benchmark.
macro_rules! full_circuit_outbound_setup {
($sc:ty, $d:ty, $f:ty) => {{
let seed1: SecretBuf = b"hidden we are free".to_vec().into();
let seed2: SecretBuf = b"free to speak, to free ourselves".to_vec().into();
let seed3: SecretBuf = b"free to hide no more".to_vec().into();
let mut cc_out = OutboundCryptWrapper::new();
cc_out.add_layer_from_seed::<$sc, $d, $f>(seed1).unwrap();
cc_out.add_layer_from_seed::<$sc, $d, $f>(seed2).unwrap();
cc_out.add_layer_from_seed::<$sc, $d, $f>(seed3).unwrap();
let mut rng = rand::rng();
let cell = create_outbound_cell(&mut rng);
(cell, cc_out)
}};
}
/// Create a random outbound cell.
fn create_outbound_cell(rng: &mut ThreadRng) -> RelayBody {
let mut cell = [0u8; 509];
rng.fill(&mut cell[..]);
cell.into()
}
/// Benchmark the `client_encrypt` function.
pub fn cell_encrypt_benchmark(c: &mut Criterion<CpuTime>) {
let mut group = c.benchmark_group("cell_encrypt");
group.throughput(Throughput::Bytes(509));
group.bench_function("cell_encrypt_Tor1RelayCrypto", |b| {
b.iter_batched_ref(
|| full_circuit_outbound_setup!(Aes128Ctr, Sha1, RelayCellFormatV0),
|(cell, cc_out)| {
client_encrypt(cell, cc_out, HOP_NUM).unwrap();
},
criterion::BatchSize::SmallInput,
);
});
group.bench_function("cell_encrypt_Tor1Hsv3RelayCrypto", |b| {
b.iter_batched_ref(
|| full_circuit_outbound_setup!(Aes256Ctr, Sha256, RelayCellFormatV0),
|(cell, cc_out)| {
client_encrypt(cell, cc_out, HOP_NUM).unwrap();
},
criterion::BatchSize::SmallInput,
);
});
group.finish();
}
criterion_group!(
name = cell_encrypt;
config = Criterion::default()
.with_measurement(CpuTime)
.sample_size(5000);
targets = cell_encrypt_benchmark);
criterion_main!(cell_encrypt);
|
