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| 1 | +#![cfg(feature = "rustls-aws-lc-rs")] |
| 2 | + |
| 3 | +use std::{ |
| 4 | + error::Error, |
| 5 | + net::{Ipv4Addr, SocketAddr}, |
| 6 | + sync::Arc, |
| 7 | +}; |
| 8 | + |
| 9 | +use rustls::{ |
| 10 | + pki_types::{CertificateDer, PrivatePkcs8KeyDer}, |
| 11 | + NamedGroup, |
| 12 | +}; |
| 13 | +use tracing::info; |
| 14 | + |
| 15 | +use quinn::{ |
| 16 | + crypto::rustls::{HandshakeData, QuicClientConfig, QuicServerConfig}, |
| 17 | + Endpoint, |
| 18 | +}; |
| 19 | + |
| 20 | +#[tokio::test] |
| 21 | +async fn post_quantum_key_worst_case_header() { |
| 22 | + check_post_quantum_key_exchange(1274, 8081).await; |
| 23 | +} |
| 24 | + |
| 25 | +#[tokio::test] |
| 26 | +async fn post_quantum_key_exchange_large_mtu() { |
| 27 | + check_post_quantum_key_exchange(1433, 8082).await; |
| 28 | +} |
| 29 | + |
| 30 | +async fn check_post_quantum_key_exchange(min_mtu: u16, server_port: u16) { |
| 31 | + let _ = tracing_subscriber::FmtSubscriber::builder() |
| 32 | + .with_env_filter(tracing_subscriber::EnvFilter::from_default_env()) |
| 33 | + .with_test_writer() |
| 34 | + .try_init(); |
| 35 | + |
| 36 | + let server_addr = SocketAddr::from((Ipv4Addr::LOCALHOST, server_port)); |
| 37 | + |
| 38 | + let (endpoint, server_cert) = make_server_endpoint(server_addr, min_mtu).unwrap(); |
| 39 | + // accept a single connection |
| 40 | + tokio::spawn(async move { |
| 41 | + let incoming_conn = endpoint.accept().await.unwrap(); |
| 42 | + let conn = incoming_conn.await.unwrap(); |
| 43 | + info!( |
| 44 | + "[server] connection accepted: addr={}", |
| 45 | + conn.remote_address() |
| 46 | + ); |
| 47 | + assert_eq!( |
| 48 | + conn.handshake_data() |
| 49 | + .unwrap() |
| 50 | + .downcast::<HandshakeData>() |
| 51 | + .unwrap() |
| 52 | + .negotiated_key_exchange_group, |
| 53 | + X25519_KYBER768_DRAFT00 |
| 54 | + ) |
| 55 | + // Dropping all handles associated with a connection implicitly closes it |
| 56 | + }); |
| 57 | + |
| 58 | + let endpoint = |
| 59 | + make_client_endpoint(SocketAddr::from((Ipv4Addr::UNSPECIFIED, 0)), server_cert).unwrap(); |
| 60 | + // connect to server |
| 61 | + let connection = endpoint |
| 62 | + .connect(server_addr, "localhost") |
| 63 | + .unwrap() |
| 64 | + .await |
| 65 | + .unwrap(); |
| 66 | + info!("[client] connected: addr={}", connection.remote_address()); |
| 67 | + |
| 68 | + // Waiting for a stream will complete with an error when the server closes the connection |
| 69 | + let _ = connection.accept_uni().await; |
| 70 | + |
| 71 | + // Make sure the server has a chance to clean up |
| 72 | + endpoint.wait_idle().await; |
| 73 | +} |
| 74 | + |
| 75 | +fn make_client_endpoint( |
| 76 | + bind_addr: SocketAddr, |
| 77 | + server_cert: CertificateDer<'static>, |
| 78 | +) -> Result<Endpoint, Box<dyn Error + Send + Sync + 'static>> { |
| 79 | + let mut certs = rustls::RootCertStore::empty(); |
| 80 | + certs.add(server_cert)?; |
| 81 | + let rustls_config = |
| 82 | + rustls::ClientConfig::builder_with_provider(Arc::new(rustls_post_quantum::provider())) |
| 83 | + .with_safe_default_protocol_versions() |
| 84 | + .unwrap() |
| 85 | + .with_root_certificates(certs) |
| 86 | + .with_no_client_auth(); |
| 87 | + |
| 88 | + let client_cfg = |
| 89 | + quinn::ClientConfig::new(Arc::new(QuicClientConfig::try_from(rustls_config).unwrap())); |
| 90 | + let mut endpoint = Endpoint::client(bind_addr)?; |
| 91 | + endpoint.set_default_client_config(client_cfg); |
| 92 | + Ok(endpoint) |
| 93 | +} |
| 94 | + |
| 95 | +fn make_server_endpoint( |
| 96 | + bind_addr: SocketAddr, |
| 97 | + min_mtu: u16, |
| 98 | +) -> Result<(Endpoint, CertificateDer<'static>), Box<dyn Error + Send + Sync + 'static>> { |
| 99 | + let cert = rcgen::generate_simple_self_signed(vec!["localhost".into()]).unwrap(); |
| 100 | + let server_cert = CertificateDer::from(cert.cert); |
| 101 | + let priv_key = PrivatePkcs8KeyDer::from(cert.key_pair.serialize_der()); |
| 102 | + let mut server_config = quinn::ServerConfig::with_crypto(Arc::new( |
| 103 | + QuicServerConfig::try_from( |
| 104 | + rustls::ServerConfig::builder_with_provider(Arc::new(rustls_post_quantum::provider())) |
| 105 | + .with_safe_default_protocol_versions() |
| 106 | + .unwrap() |
| 107 | + .with_no_client_auth() |
| 108 | + .with_single_cert(vec![server_cert.clone()], priv_key.into()) |
| 109 | + .unwrap(), |
| 110 | + ) |
| 111 | + .unwrap(), |
| 112 | + )); |
| 113 | + |
| 114 | + let transport_config = Arc::get_mut(&mut server_config.transport).unwrap(); |
| 115 | + transport_config.max_concurrent_uni_streams(0_u8.into()); |
| 116 | + transport_config.min_mtu(min_mtu); |
| 117 | + |
| 118 | + let endpoint = Endpoint::server(server_config, bind_addr)?; |
| 119 | + Ok((endpoint, server_cert)) |
| 120 | +} |
| 121 | + |
| 122 | +/// <https://datatracker.ietf.org/doc/html/draft-tls-westerbaan-xyber768d00-02#name-iana-considerations-23> |
| 123 | +const X25519_KYBER768_DRAFT00: NamedGroup = NamedGroup::Unknown(0x06399); |
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