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udp: rename ConnectionValidator.hmac to .keyed_hasher

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This commit is contained in:
Joakim Frostegård 2022-04-14 22:51:16 +02:00
parent e8cb0c1618
commit 1e0559f384
1 changed files with 10 additions and 8 deletions
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18
aquatic_udp/src/common.rs
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@ -29,7 +29,7 @@ pub const BUFFER_SIZE: usize = 8192;
pub struct ConnectionValidator {
start_time: Instant,
max_connection_age: u32,
hmac: blake3::Hasher,
keyed_hasher: blake3::Hasher,
}
impl ConnectionValidator {
@ -41,10 +41,10 @@ impl ConnectionValidator {
getrandom(&mut key)
.with_context(|| "Couldn't get random bytes for ConnectionValidator key")?;
let hmac = blake3::Hasher::new_keyed(&key);
let keyed_hasher = blake3::Hasher::new_keyed(&key);
Ok(Self {
hmac,
keyed_hasher,
start_time: Instant::now(),
max_connection_age: config.cleaning.max_connection_age,
})
@ -83,15 +83,17 @@ impl ConnectionValidator {
(&mut connection_id_bytes[..4]).copy_from_slice(&valid_until);
self.hmac.update(&valid_until);
self.keyed_hasher.update(&valid_until);
match source_addr.get().ip() {
IpAddr::V4(ip) => self.hmac.update(&ip.octets()),
IpAddr::V6(ip) => self.hmac.update(&ip.octets()),
IpAddr::V4(ip) => self.keyed_hasher.update(&ip.octets()),
IpAddr::V6(ip) => self.keyed_hasher.update(&ip.octets()),
};
self.hmac.finalize_xof().fill(&mut connection_id_bytes[4..]);
self.hmac.reset();
self.keyed_hasher
.finalize_xof()
.fill(&mut connection_id_bytes[4..]);
self.keyed_hasher.reset();
ConnectionId(i64::from_ne_bytes(connection_id_bytes))
}