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|
use std::sync::Arc;
use criterion::{Criterion, Throughput, black_box, criterion_group, criterion_main};
use rustls::crypto::aws_lc_rs::kx_group::X25519;
use rustls::crypto::{
ActiveKeyExchange, CryptoProvider, SharedSecret, SupportedKxGroup, aws_lc_rs,
};
use rustls::ffdhe_groups::FfdheGroup;
use rustls::{ClientConfig, ClientConnection, Error, NamedGroup, RootCertStore};
use rustls_post_quantum::{MLKEM768, X25519MLKEM768};
fn bench_client(c: &mut Criterion) {
let mut group = c.benchmark_group("client");
group.throughput(Throughput::Elements(1));
group.bench_function("MLKEM768", |b| {
b.iter(|| black_box(MLKEM768.start().unwrap()))
});
group.bench_function("X25519MLKEM768", |b| {
b.iter(|| black_box(X25519MLKEM768.start().unwrap()))
});
group.bench_function("X25519", |b| b.iter(|| black_box(X25519.start().unwrap())));
group.bench_function("X25519MLKEM768+X25519", |b| {
b.iter(|| {
black_box(X25519.start().unwrap());
black_box(X25519MLKEM768.start().unwrap());
})
});
}
fn bench_server(c: &mut Criterion) {
let client_x25519mlkem768 = X25519MLKEM768.start().unwrap();
let client_x25519 = X25519.start().unwrap();
let client_mlkem768 = MLKEM768.start().unwrap();
let mut group = c.benchmark_group("server");
group.throughput(Throughput::Elements(1));
group.bench_function("MLKEM768", |b| {
b.iter(|| {
black_box(
MLKEM768
.start_and_complete(client_mlkem768.pub_key())
.unwrap(),
)
})
});
group.bench_function("X25519MLKEM768", |b| {
b.iter(|| {
black_box(
X25519MLKEM768
.start_and_complete(client_x25519mlkem768.pub_key())
.unwrap(),
)
})
});
group.bench_function("X25519", |b| {
b.iter(|| {
black_box(
X25519
.start_and_complete(client_x25519.pub_key())
.unwrap(),
)
})
});
}
fn bench_clienthello(c: &mut Criterion) {
let mut group = c.benchmark_group("clienthello");
group.throughput(Throughput::Elements(1));
let anchors = Arc::new(RootCertStore {
roots: webpki_roots::TLS_SERVER_ROOTS.into(),
});
let config_x25519 = ClientConfig::builder_with_provider(aws_lc_rs::default_provider().into())
.with_safe_default_protocol_versions()
.unwrap()
.with_root_certificates(anchors.clone())
.with_no_client_auth()
.into();
let config_x25519mlkem768 =
ClientConfig::builder_with_provider(rustls_post_quantum::provider().into())
.with_safe_default_protocol_versions()
.unwrap()
.with_root_certificates(anchors.clone())
.with_no_client_auth()
.into();
let config_x25519mlkem768_x25519 =
ClientConfig::builder_with_provider(separate_provider().into())
.with_safe_default_protocol_versions()
.unwrap()
.with_root_certificates(anchors.clone())
.with_no_client_auth()
.into();
println!("Clienthello lengths:");
println!(" X25519 alone = {:?}", do_client_hello(&config_x25519));
println!(
" X25519MLKEM768 joint = {:?}",
do_client_hello(&config_x25519mlkem768)
);
println!(
" X25519MLKEM768 sep = {:?}",
do_client_hello(&config_x25519mlkem768_x25519)
);
group.bench_function("X25519", |b| b.iter(|| do_client_hello(&config_x25519)));
group.bench_function("X25519MLKEM768", |b| {
b.iter(|| do_client_hello(&config_x25519mlkem768))
});
group.bench_function("X25519MLKEM768+X25519", |b| {
b.iter(|| do_client_hello(&config_x25519mlkem768_x25519))
});
}
fn do_client_hello(config: &Arc<ClientConfig>) -> usize {
let mut conn = ClientConnection::new(config.clone(), "localhost".try_into().unwrap()).unwrap();
let mut buf = vec![];
let len = conn.write_tls(&mut &mut buf).unwrap();
black_box(buf);
len
}
fn separate_provider() -> CryptoProvider {
CryptoProvider {
kx_groups: vec![
&SeparateX25519Mlkem768,
MLKEM768,
X25519,
aws_lc_rs::kx_group::SECP256R1,
aws_lc_rs::kx_group::SECP384R1,
],
..aws_lc_rs::default_provider()
}
}
// nb. this cannot actually complete a handshake; limited to ClientHellos
#[derive(Debug)]
struct SeparateX25519Mlkem768;
impl SupportedKxGroup for SeparateX25519Mlkem768 {
fn start(&self) -> Result<Box<dyn ActiveKeyExchange>, Error> {
Ok(Box::new(Active {
hybrid: X25519MLKEM768.start()?,
separate: X25519.start()?,
}))
}
fn name(&self) -> NamedGroup {
X25519MLKEM768.name()
}
fn ffdhe_group(&self) -> Option<FfdheGroup<'static>> {
X25519MLKEM768.ffdhe_group()
}
}
struct Active {
hybrid: Box<dyn ActiveKeyExchange>,
separate: Box<dyn ActiveKeyExchange>,
}
impl ActiveKeyExchange for Active {
fn complete(self: Box<Self>, _peer: &[u8]) -> Result<SharedSecret, Error> {
todo!()
}
fn hybrid_component(&self) -> Option<(NamedGroup, &[u8])> {
Some((self.separate.group(), self.separate.pub_key()))
}
fn group(&self) -> NamedGroup {
self.hybrid.group()
}
fn pub_key(&self) -> &[u8] {
self.hybrid.pub_key()
}
}
criterion_group!(benches, bench_client, bench_server, bench_clienthello);
criterion_main!(benches);
|
