mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2025-04-25 16:36:54 +02:00
renamed under a new naming convention
This commit is contained in:
parent
b3b0ef02b9
commit
adc0674fb5
1 changed files with 160 additions and 155 deletions
315
zssp/src/zssp.rs
315
zssp/src/zssp.rs
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@ -202,7 +202,7 @@ impl std::fmt::Debug for Error {
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}
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/// Result generated by the packet receive function, with possible payloads.
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pub enum ReceiveResult<'a, H: Host> {
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pub enum ReceiveResult<'a, H: ApplicationLayer> {
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/// Packet is valid, no action needs to be taken.
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Ok,
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@ -266,7 +266,7 @@ impl From<SessionId> for u64 {
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/// This holds the data structures used to defragment incoming packets that are not associated with an
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/// existing session, which would be new attempts to create sessions. Typically one of these is associated
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/// with a single listen socket, local bound port, or other inbound endpoint.
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pub struct ReceiveContext<H: Host> {
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pub struct ReceiveContext<H: ApplicationLayer> {
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initial_offer_defrag: Mutex<RingBufferMap<u32, GatherArray<H::IncomingPacketBuffer, KEY_EXCHANGE_MAX_FRAGMENTS>, 1024, 128>>,
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incoming_init_header_check_cipher: Aes,
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}
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@ -275,9 +275,9 @@ pub struct ReceiveContext<H: Host> {
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///
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/// Templating the session on this trait lets the code here be almost entirely transport, OS,
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/// and use case independent.
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pub trait Host: Sized {
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pub trait ApplicationLayer: Sized {
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/// Arbitrary opaque object associated with a session, such as a connection state object.
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type AssociatedObject;
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type SessionUserData;
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/// Arbitrary object that dereferences to the session, such as Arc<Session<Self>>.
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type SessionRef: Deref<Target = Session<Self>>;
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@ -298,7 +298,7 @@ pub trait Host: Sized {
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///
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/// This must contain a NIST P-384 public key but can contain other information. In ZeroTier this
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/// is a byte serialized identity. It could just be a naked NIST P-384 key if that's all you need.
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fn get_local_s_public(&self) -> &[u8];
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fn get_local_s_public_raw(&self) -> &[u8];
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/// Get SHA384(this host's static public key blob).
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///
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@ -308,20 +308,20 @@ pub trait Host: Sized {
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/// Get a reference to this hosts' static public key's NIST P-384 secret key pair.
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///
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/// This must return the NIST P-384 public key that is contained within the static public key blob.
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fn get_local_s_keypair_p384(&self) -> &P384KeyPair;
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fn get_local_s_keypair(&self) -> &P384KeyPair;
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/// Extract the NIST P-384 ECC public key component from a static public key blob or return None on failure.
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///
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/// This is called to parse the static public key blob from the other end and extract its NIST P-384 public
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/// key. SECURITY NOTE: the information supplied here is from the wire so care must be taken to parse it
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/// safely and fail on any error or corruption.
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fn extract_p384_static(static_public: &[u8]) -> Option<P384PublicKey>;
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fn extract_s_public_from_raw(static_public: &[u8]) -> Option<P384PublicKey>;
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/// Look up a local session by local session ID or return None if not found.
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fn session_lookup(&self, local_session_id: SessionId) -> Option<Self::SessionRef>;
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fn lookup_session(&self, local_session_id: SessionId) -> Option<Self::SessionRef>;
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/// Rate limit and check an attempted new session (called before accept_new_session).
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fn check_new_session_attempt(&self, rc: &ReceiveContext<Self>, remote_address: &Self::RemoteAddress) -> bool;
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fn check_new_session(&self, rc: &ReceiveContext<Self>, remote_address: &Self::RemoteAddress) -> bool;
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/// Check whether a new session should be accepted.
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///
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@ -334,74 +334,74 @@ pub trait Host: Sized {
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remote_address: &Self::RemoteAddress,
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remote_static_public: &[u8],
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remote_metadata: &[u8],
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) -> Option<(SessionId, Secret<64>, Self::AssociatedObject)>;
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) -> Option<(SessionId, Secret<64>, Self::SessionUserData)>;
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}
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/// ZSSP bi-directional packet transport channel.
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pub struct Session<H: Host> {
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pub struct Session<Layer: ApplicationLayer> {
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/// This side's session ID (unique on this side)
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pub id: SessionId,
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/// An arbitrary object associated with session (type defined in Host trait)
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pub associated_object: H::AssociatedObject,
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pub user_data: Layer::SessionUserData,
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send_counter: Counter, // Outgoing packet counter and nonce state
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psk: Secret<64>, // Arbitrary PSK provided by external code
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ss: Secret<48>, // Static raw shared ECDH NIST P-384 key
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noise_ss: Secret<48>, // Static raw shared ECDH NIST P-384 key
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header_check_cipher: Aes, // Cipher used for header MAC (fragmentation)
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state: RwLock<SessionMutableState>, // Mutable parts of state (other than defrag buffers)
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remote_s_public_hash: [u8; 48], // SHA384(remote static public key blob)
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remote_s_public_p384: [u8; P384_PUBLIC_KEY_SIZE], // Remote NIST P-384 static public key
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remote_s_public_raw: [u8; P384_PUBLIC_KEY_SIZE], // Remote NIST P-384 static public key
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defrag: Mutex<RingBufferMap<u32, GatherArray<H::IncomingPacketBuffer, MAX_FRAGMENTS>, 8, 8>>,
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defrag: Mutex<RingBufferMap<u32, GatherArray<Layer::IncomingPacketBuffer, MAX_FRAGMENTS>, 8, 8>>,
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}
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struct SessionMutableState {
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remote_session_id: Option<SessionId>, // The other side's 48-bit session ID
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keys: [Option<SessionKey>; KEY_HISTORY_SIZE], // Buffers to store current, next, and last active key
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key_ptr: usize, // Pointer used for keys[] circular buffer
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session_keys: [Option<SessionKey>; KEY_HISTORY_SIZE], // Buffers to store current, next, and last active key
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cur_session_key_idx: usize, // Pointer used for keys[] circular buffer
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offer: Option<Box<EphemeralOffer>>, // Most recent ephemeral offer sent to remote
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last_remote_offer: i64, // Time of most recent ephemeral offer (ms)
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}
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impl<H: Host> Session<H> {
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impl<Layer: ApplicationLayer> Session<Layer> {
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/// Create a new session and send an initial key offer message to the other end.
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///
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/// * `host` - Interface to application using ZSSP
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/// * `local_session_id` - ID for this side of the session, must be locally unique
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/// * `remote_s_public` - Remote side's public key/identity
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/// * `local_session_id` - ID for this side (Alice) of the session, must be locally unique
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/// * `remote_s_public_raw` - Remote side's (Bob's) public key/identity
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/// * `offer_metadata` - Arbitrary meta-data to send with key offer (empty if none)
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/// * `psk` - Arbitrary pre-shared key to include as initial key material (use all zero secret if none)
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/// * `associated_object` - Arbitrary object to put into session
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/// * `mtu` - Physical wire MTU
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/// * `user_data` - Arbitrary object to put into session
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/// * `mtu` - Physical wire maximum transmition unit
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/// * `current_time` - Current monotonic time in milliseconds
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pub fn new<SendFunction: FnMut(&mut [u8])>(
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host: &H,
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host: &Layer,
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mut send: SendFunction,
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local_session_id: SessionId,
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remote_s_public: &[u8],
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remote_s_public_raw: &[u8],
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offer_metadata: &[u8],
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psk: &Secret<64>,
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associated_object: H::AssociatedObject,
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user_data: Layer::SessionUserData,
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mtu: usize,
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current_time: i64,
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) -> Result<Self, Error> {
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if let Some(remote_s_public_p384) = H::extract_p384_static(remote_s_public) {
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if let Some(ss) = host.get_local_s_keypair_p384().agree(&remote_s_public_p384) {
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if let Some(remote_s_public_p384) = Layer::extract_s_public_from_raw(remote_s_public_raw) {
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if let Some(noise_ss) = host.get_local_s_keypair().agree(&remote_s_public_p384) {
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let send_counter = Counter::new();
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let remote_s_public_hash = SHA384::hash(remote_s_public);
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let remote_s_public_hash = SHA384::hash(remote_s_public_raw);
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let header_check_cipher =
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Aes::new(kbkdf512(ss.as_bytes(), KBKDF_KEY_USAGE_LABEL_HEADER_CHECK).first_n::<HEADER_CHECK_AES_KEY_SIZE>());
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Aes::new(kbkdf512(noise_ss.as_bytes(), KBKDF_KEY_USAGE_LABEL_HEADER_CHECK).first_n::<HEADER_CHECK_AES_KEY_SIZE>());
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if let Ok(offer) = send_ephemeral_offer(
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&mut send,
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send_counter.next(),
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local_session_id,
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None,
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host.get_local_s_public(),
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host.get_local_s_public_raw(),
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offer_metadata,
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&remote_s_public_p384,
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&remote_s_public_hash,
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&ss,
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&noise_ss,
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None,
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None,
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mtu,
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@ -409,20 +409,20 @@ impl<H: Host> Session<H> {
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) {
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return Ok(Self {
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id: local_session_id,
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associated_object,
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user_data,
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send_counter,
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psk: psk.clone(),
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ss,
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noise_ss,
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header_check_cipher,
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state: RwLock::new(SessionMutableState {
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remote_session_id: None,
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keys: [None, None, None],
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key_ptr: 0,
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session_keys: [None, None, None],
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cur_session_key_idx: 0,
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offer: Some(offer),
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last_remote_offer: i64::MIN,
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}),
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remote_s_public_hash,
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remote_s_public_p384: remote_s_public_p384.as_bytes().clone(),
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remote_s_public_raw: remote_s_public_p384.as_bytes().clone(),
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defrag: Mutex::new(RingBufferMap::new(random::xorshift64_random() as u32)),
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});
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}
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@ -446,7 +446,7 @@ impl<H: Host> Session<H> {
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debug_assert!(mtu_buffer.len() >= MIN_TRANSPORT_MTU);
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let state = self.state.read().unwrap();
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if let Some(remote_session_id) = state.remote_session_id {
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if let Some(key) = state.keys[state.key_ptr].as_ref() {
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if let Some(sym_key) = state.session_keys[state.cur_session_key_idx].as_ref() {
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// Total size of the armored packet we are going to send (may end up being fragmented)
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let mut packet_len = data.len() + HEADER_SIZE + AES_GCM_TAG_SIZE;
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@ -465,7 +465,7 @@ impl<H: Host> Session<H> {
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// Get an initialized AES-GCM cipher and re-initialize with a 96-bit IV built from remote session ID,
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// packet type, and counter.
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let mut c = key.get_send_cipher(counter)?;
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let mut c = sym_key.get_send_cipher(counter)?;
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c.reset_init_gcm(CanonicalHeader::make(remote_session_id, PACKET_TYPE_DATA, counter.to_u32()).as_bytes());
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// Send first N-1 fragments of N total fragments.
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@ -500,7 +500,7 @@ impl<H: Host> Session<H> {
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send(&mut mtu_buffer[..packet_len]);
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// Check reusable AES-GCM instance back into pool.
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key.return_send_cipher(c);
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sym_key.return_send_cipher(c);
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return Ok(());
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} else {
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@ -515,7 +515,7 @@ impl<H: Host> Session<H> {
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/// Check whether this session is established.
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pub fn established(&self) -> bool {
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let state = self.state.read().unwrap();
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state.remote_session_id.is_some() && state.keys[state.key_ptr].is_some()
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state.remote_session_id.is_some() && state.session_keys[state.cur_session_key_idx].is_some()
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}
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/// Get information about this session's security state.
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@ -524,7 +524,7 @@ impl<H: Host> Session<H> {
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/// and whether Kyber1024 was used. None is returned if the session isn't established.
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pub fn status(&self) -> Option<([u8; 16], i64, u64, bool)> {
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let state = self.state.read().unwrap();
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if let Some(key) = state.keys[state.key_ptr].as_ref() {
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if let Some(key) = state.session_keys[state.cur_session_key_idx].as_ref() {
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Some((key.secret_fingerprint, key.establish_time, key.ratchet_count, key.jedi))
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} else {
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None
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@ -541,7 +541,7 @@ impl<H: Host> Session<H> {
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/// * `force_rekey` - Re-key the session now regardless of key aging (still subject to rate limiting)
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pub fn service<SendFunction: FnMut(&mut [u8])>(
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&self,
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host: &H,
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host: &Layer,
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mut send: SendFunction,
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offer_metadata: &[u8],
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mtu: usize,
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@ -550,26 +550,26 @@ impl<H: Host> Session<H> {
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) {
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let state = self.state.read().unwrap();
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if (force_rekey
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|| state.keys[state.key_ptr]
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|| state.session_keys[state.cur_session_key_idx]
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.as_ref()
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.map_or(true, |key| key.lifetime.should_rekey(self.send_counter.previous(), current_time)))
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&& state
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.offer
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.as_ref()
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.map_or(true, |o| (current_time - o.creation_time) > H::REKEY_RATE_LIMIT_MS)
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.map_or(true, |o| (current_time - o.creation_time) > Layer::REKEY_RATE_LIMIT_MS)
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{
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if let Some(remote_s_public_p384) = P384PublicKey::from_bytes(&self.remote_s_public_p384) {
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if let Some(remote_s_public) = P384PublicKey::from_bytes(&self.remote_s_public_raw) {
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if let Ok(offer) = send_ephemeral_offer(
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&mut send,
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self.send_counter.next(),
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self.id,
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state.remote_session_id,
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host.get_local_s_public(),
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host.get_local_s_public_raw(),
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offer_metadata,
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&remote_s_public_p384,
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&remote_s_public,
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&self.remote_s_public_hash,
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&self.ss,
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state.keys[state.key_ptr].as_ref(),
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&self.noise_ss,
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state.session_keys[state.cur_session_key_idx].as_ref(),
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if state.remote_session_id.is_some() {
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Some(&self.header_check_cipher)
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} else {
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@ -586,8 +586,8 @@ impl<H: Host> Session<H> {
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}
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}
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impl<H: Host> ReceiveContext<H> {
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pub fn new(host: &H) -> Self {
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impl<Layer: ApplicationLayer> ReceiveContext<Layer> {
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pub fn new(host: &Layer) -> Self {
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Self {
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initial_offer_defrag: Mutex::new(RingBufferMap::new(random::xorshift64_random() as u32)),
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incoming_init_header_check_cipher: Aes::new(
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@ -607,14 +607,14 @@ impl<H: Host> ReceiveContext<H> {
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#[inline]
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pub fn receive<'a, SendFunction: FnMut(&mut [u8])>(
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&self,
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host: &H,
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remote_address: &H::RemoteAddress,
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host: &Layer,
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remote_address: &Layer::RemoteAddress,
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mut send: SendFunction,
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data_buf: &'a mut [u8],
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incoming_packet_buf: H::IncomingPacketBuffer,
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incoming_packet_buf: Layer::IncomingPacketBuffer,
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mtu: usize,
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current_time: i64,
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) -> Result<ReceiveResult<'a, H>, Error> {
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) -> Result<ReceiveResult<'a, Layer>, Error> {
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let incoming_packet = incoming_packet_buf.as_ref();
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if incoming_packet.len() < MIN_PACKET_SIZE {
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unlikely_branch();
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@ -629,7 +629,7 @@ impl<H: Host> ReceiveContext<H> {
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if let Some(local_session_id) = SessionId::new_from_u64(u64::from_le(memory::load_raw(&incoming_packet[8..16])) & 0xffffffffffffu64)
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{
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if let Some(session) = host.session_lookup(local_session_id) {
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if let Some(session) = host.lookup_session(local_session_id) {
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if verify_header_check_code(incoming_packet, &session.header_check_cipher) {
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let canonical_header = CanonicalHeader::make(local_session_id, packet_type, counter);
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if fragment_count > 1 {
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@ -730,17 +730,17 @@ impl<H: Host> ReceiveContext<H> {
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#[inline]
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fn receive_complete<'a, SendFunction: FnMut(&mut [u8])>(
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&self,
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host: &H,
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remote_address: &H::RemoteAddress,
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host: &Layer,
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remote_address: &Layer::RemoteAddress,
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send: &mut SendFunction,
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data_buf: &'a mut [u8],
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canonical_header_bytes: &[u8; 12],
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fragments: &[H::IncomingPacketBuffer],
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fragments: &[Layer::IncomingPacketBuffer],
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packet_type: u8,
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session: Option<H::SessionRef>,
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session: Option<Layer::SessionRef>,
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mtu: usize,
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current_time: i64,
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) -> Result<ReceiveResult<'a, H>, Error> {
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) -> Result<ReceiveResult<'a, Layer>, Error> {
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debug_assert!(fragments.len() >= 1);
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// The first 'if' below should capture both DATA and NOP but not other types. Sanity check this.
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@ -751,9 +751,9 @@ impl<H: Host> ReceiveContext<H> {
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if let Some(session) = session {
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let state = session.state.read().unwrap();
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for p in 0..KEY_HISTORY_SIZE {
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let key_ptr = (state.key_ptr + p) % KEY_HISTORY_SIZE;
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if let Some(key) = state.keys[key_ptr].as_ref() {
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let mut c = key.get_receive_cipher();
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let key_idx = (state.cur_session_key_idx + p) % KEY_HISTORY_SIZE;
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if let Some(session_key) = state.session_keys[key_idx].as_ref() {
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let mut c = session_key.get_receive_cipher();
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c.reset_init_gcm(canonical_header_bytes);
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let mut data_len = 0;
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@ -766,7 +766,7 @@ impl<H: Host> ReceiveContext<H> {
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data_len += f.len() - HEADER_SIZE;
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if data_len > data_buf.len() {
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unlikely_branch();
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key.return_receive_cipher(c);
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session_key.return_receive_cipher(c);
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return Err(Error::DataBufferTooSmall);
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}
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c.crypt(&f[HEADER_SIZE..], &mut data_buf[current_frag_data_start..data_len]);
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|
@ -782,7 +782,7 @@ impl<H: Host> ReceiveContext<H> {
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data_len += last_fragment.len() - (HEADER_SIZE + AES_GCM_TAG_SIZE);
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if data_len > data_buf.len() {
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unlikely_branch();
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||||
key.return_receive_cipher(c);
|
||||
session_key.return_receive_cipher(c);
|
||||
return Err(Error::DataBufferTooSmall);
|
||||
}
|
||||
c.crypt(
|
||||
|
@ -791,21 +791,21 @@ impl<H: Host> ReceiveContext<H> {
|
|||
);
|
||||
|
||||
let aead_authentication_ok = c.finish_decrypt(&last_fragment[(last_fragment.len() - AES_GCM_TAG_SIZE)..]);
|
||||
key.return_receive_cipher(c);
|
||||
session_key.return_receive_cipher(c);
|
||||
|
||||
if aead_authentication_ok {
|
||||
// Select this key as the new default if it's newer than the current key.
|
||||
if p > 0
|
||||
&& state.keys[state.key_ptr]
|
||||
&& state.session_keys[state.cur_session_key_idx]
|
||||
.as_ref()
|
||||
.map_or(true, |old| old.establish_counter < key.establish_counter)
|
||||
.map_or(true, |old| old.establish_counter < session_key.establish_counter)
|
||||
{
|
||||
drop(state);
|
||||
let mut state = session.state.write().unwrap();
|
||||
state.key_ptr = key_ptr;
|
||||
state.cur_session_key_idx = key_idx;
|
||||
for i in 0..KEY_HISTORY_SIZE {
|
||||
if i != key_ptr {
|
||||
if let Some(old_key) = state.keys[key_ptr].as_ref() {
|
||||
if i != key_idx {
|
||||
if let Some(old_key) = state.session_keys[key_idx].as_ref() {
|
||||
// Release pooled cipher memory from old keys.
|
||||
old_key.receive_cipher_pool.lock().unwrap().clear();
|
||||
old_key.send_cipher_pool.lock().unwrap().clear();
|
||||
|
@ -882,27 +882,27 @@ impl<H: Host> ReceiveContext<H> {
|
|||
|
||||
// Check rate limits.
|
||||
if let Some(session) = session.as_ref() {
|
||||
if (current_time - session.state.read().unwrap().last_remote_offer) < H::REKEY_RATE_LIMIT_MS {
|
||||
if (current_time - session.state.read().unwrap().last_remote_offer) < Layer::REKEY_RATE_LIMIT_MS {
|
||||
return Err(Error::RateLimited);
|
||||
}
|
||||
} else {
|
||||
if !host.check_new_session_attempt(self, remote_address) {
|
||||
if !host.check_new_session(self, remote_address) {
|
||||
return Err(Error::RateLimited);
|
||||
}
|
||||
}
|
||||
|
||||
// Key agreement: alice (remote) ephemeral NIST P-384 <> local static NIST P-384
|
||||
let (alice_e0_public, e0s) =
|
||||
let (alice_e_public, noise_es) =
|
||||
P384PublicKey::from_bytes(&kex_packet[(HEADER_SIZE + 1)..(HEADER_SIZE + 1 + P384_PUBLIC_KEY_SIZE)])
|
||||
.and_then(|pk| host.get_local_s_keypair_p384().agree(&pk).map(move |s| (pk, s)))
|
||||
.and_then(|pk| host.get_local_s_keypair().agree(&pk).map(move |s| (pk, s)))
|
||||
.ok_or(Error::FailedAuthentication)?;
|
||||
|
||||
// Initial key derivation from starting point, mixing in alice's ephemeral public and the e0s.
|
||||
let mut key = Secret(hmac_sha512(&hmac_sha512(&INITIAL_KEY, alice_e0_public.as_bytes()), e0s.as_bytes()));
|
||||
// Initial key derivation from starting point, mixing in alice's ephemeral public and the es.
|
||||
let es_key = Secret(hmac_sha512(&hmac_sha512(&INITIAL_KEY, alice_e_public.as_bytes()), noise_es.as_bytes()));
|
||||
|
||||
// Decrypt the encrypted part of the packet payload and authenticate the above key exchange via AES-GCM auth.
|
||||
let mut c = AesGcm::new(
|
||||
kbkdf512(key.as_bytes(), KBKDF_KEY_USAGE_LABEL_AES_GCM_ALICE_TO_BOB).first_n::<AES_KEY_SIZE>(),
|
||||
kbkdf512(es_key.as_bytes(), KBKDF_KEY_USAGE_LABEL_AES_GCM_ALICE_TO_BOB).first_n::<AES_KEY_SIZE>(),
|
||||
false,
|
||||
);
|
||||
c.reset_init_gcm(canonical_header_bytes);
|
||||
|
@ -912,7 +912,7 @@ impl<H: Host> ReceiveContext<H> {
|
|||
}
|
||||
|
||||
// Parse payload and get alice's session ID, alice's public blob, metadata, and (if present) Alice's Kyber1024 public.
|
||||
let (offer_id, alice_session_id, alice_s_public, alice_metadata, alice_e1_public, alice_ratchet_key_fingerprint) =
|
||||
let (offer_id, alice_session_id, alice_s_public_raw, alice_metadata, alice_e1_public_raw, alice_ratchet_key_fingerprint) =
|
||||
parse_key_offer_after_header(&kex_packet[(HEADER_SIZE + 1 + P384_PUBLIC_KEY_SIZE)..kex_packet_len], packet_type)?;
|
||||
|
||||
// We either have a session, in which case they should have supplied a ratchet key fingerprint, or
|
||||
|
@ -922,21 +922,22 @@ impl<H: Host> ReceiveContext<H> {
|
|||
}
|
||||
|
||||
// Extract alice's static NIST P-384 public key from her public blob.
|
||||
let alice_s_public_p384 = H::extract_p384_static(alice_s_public).ok_or(Error::InvalidPacket)?;
|
||||
let alice_s_public = Layer::extract_s_public_from_raw(alice_s_public_raw).ok_or(Error::InvalidPacket)?;
|
||||
|
||||
// Key agreement: both sides' static P-384 keys.
|
||||
let ss = host
|
||||
.get_local_s_keypair_p384()
|
||||
.agree(&alice_s_public_p384)
|
||||
let noise_ss = host
|
||||
.get_local_s_keypair()
|
||||
.agree(&alice_s_public)
|
||||
.ok_or(Error::FailedAuthentication)?;
|
||||
|
||||
// Mix result of 'ss' agreement into master key.
|
||||
key = Secret(hmac_sha512(key.as_bytes(), ss.as_bytes()));
|
||||
let ss_key = Secret(hmac_sha512(es_key.as_bytes(), noise_ss.as_bytes()));
|
||||
drop(es_key);
|
||||
|
||||
// Authenticate entire packet with HMAC-SHA384, verifying alice's identity via 'ss' secret that was
|
||||
// just mixed into the key.
|
||||
if !hmac_sha384_2(
|
||||
kbkdf512(key.as_bytes(), KBKDF_KEY_USAGE_LABEL_HMAC).first_n::<48>(),
|
||||
kbkdf512(ss_key.as_bytes(), KBKDF_KEY_USAGE_LABEL_HMAC).first_n::<48>(),
|
||||
canonical_header_bytes,
|
||||
&kex_packet_saved_ciphertext[HEADER_SIZE..aes_gcm_tag_end],
|
||||
)
|
||||
|
@ -951,7 +952,7 @@ impl<H: Host> ReceiveContext<H> {
|
|||
// then create new sessions.
|
||||
let (new_session, ratchet_key, ratchet_count) = if let Some(session) = session.as_ref() {
|
||||
// Existing session identity must match the one in this offer.
|
||||
if !session.remote_s_public_hash.eq(&SHA384::hash(&alice_s_public)) {
|
||||
if !session.remote_s_public_hash.eq(&SHA384::hash(&alice_s_public_raw)) {
|
||||
return Err(Error::FailedAuthentication);
|
||||
}
|
||||
|
||||
|
@ -960,7 +961,7 @@ impl<H: Host> ReceiveContext<H> {
|
|||
let mut ratchet_key = None;
|
||||
let mut ratchet_count = 0;
|
||||
let state = session.state.read().unwrap();
|
||||
for k in state.keys.iter() {
|
||||
for k in state.session_keys.iter() {
|
||||
if let Some(k) = k.as_ref() {
|
||||
if secret_fingerprint(k.ratchet_key.as_bytes())[..16].eq(alice_ratchet_key_fingerprint) {
|
||||
ratchet_key = Some(k.ratchet_key.clone());
|
||||
|
@ -976,28 +977,28 @@ impl<H: Host> ReceiveContext<H> {
|
|||
(None, ratchet_key, ratchet_count)
|
||||
} else {
|
||||
if let Some((new_session_id, psk, associated_object)) =
|
||||
host.accept_new_session(self, remote_address, alice_s_public, alice_metadata)
|
||||
host.accept_new_session(self, remote_address, alice_s_public_raw, alice_metadata)
|
||||
{
|
||||
let header_check_cipher = Aes::new(
|
||||
kbkdf512(ss.as_bytes(), KBKDF_KEY_USAGE_LABEL_HEADER_CHECK).first_n::<HEADER_CHECK_AES_KEY_SIZE>(),
|
||||
kbkdf512(noise_ss.as_bytes(), KBKDF_KEY_USAGE_LABEL_HEADER_CHECK).first_n::<HEADER_CHECK_AES_KEY_SIZE>(),
|
||||
);
|
||||
(
|
||||
Some(Session::<H> {
|
||||
Some(Session::<Layer> {
|
||||
id: new_session_id,
|
||||
associated_object,
|
||||
user_data: associated_object,
|
||||
send_counter: Counter::new(),
|
||||
psk,
|
||||
ss,
|
||||
noise_ss,
|
||||
header_check_cipher,
|
||||
state: RwLock::new(SessionMutableState {
|
||||
remote_session_id: Some(alice_session_id),
|
||||
keys: [None, None, None],
|
||||
key_ptr: 0,
|
||||
session_keys: [None, None, None],
|
||||
cur_session_key_idx: 0,
|
||||
offer: None,
|
||||
last_remote_offer: current_time,
|
||||
}),
|
||||
remote_s_public_hash: SHA384::hash(&alice_s_public),
|
||||
remote_s_public_p384: alice_s_public_p384.as_bytes().clone(),
|
||||
remote_s_public_hash: SHA384::hash(&alice_s_public_raw),
|
||||
remote_s_public_raw: alice_s_public.as_bytes().clone(),
|
||||
defrag: Mutex::new(RingBufferMap::new(random::xorshift64_random() as u32)),
|
||||
}),
|
||||
None,
|
||||
|
@ -1013,33 +1014,34 @@ impl<H: Host> ReceiveContext<H> {
|
|||
let session = existing_session.as_ref().map_or_else(|| new_session.as_ref().unwrap(), |s| &*s);
|
||||
|
||||
// Generate our ephemeral NIST P-384 key pair.
|
||||
let bob_e0_keypair = P384KeyPair::generate();
|
||||
let bob_e_keypair = P384KeyPair::generate();
|
||||
|
||||
// Key agreement: both sides' ephemeral P-384 public keys.
|
||||
let e0e0 = bob_e0_keypair.agree(&alice_e0_public).ok_or(Error::FailedAuthentication)?;
|
||||
let noise_ee = bob_e_keypair.agree(&alice_e_public).ok_or(Error::FailedAuthentication)?;
|
||||
|
||||
// Key agreement: bob (local) static NIST P-384, alice (remote) ephemeral P-384.
|
||||
let se0 = bob_e0_keypair.agree(&alice_s_public_p384).ok_or(Error::FailedAuthentication)?;
|
||||
let noise_se = bob_e_keypair.agree(&alice_s_public).ok_or(Error::FailedAuthentication)?;
|
||||
|
||||
// Mix in the psk, the key to this point, our ephemeral public, e0e0, and se0, completing Noise_IK.
|
||||
// Mix in the psk, the key to this point, our ephemeral public, ee, and se, completing Noise_IK.
|
||||
//
|
||||
// FIPS note: the order of HMAC parameters are flipped here from the usual Noise HMAC(key, X). That's because
|
||||
// NIST/FIPS allows HKDF with HMAC(salt, key) and salt is allowed to be anything. This way if the PSK is not
|
||||
// FIPS compliant the compliance of the entire key derivation is not invalidated. Both inputs are secrets of
|
||||
// fixed size so this shouldn't matter cryptographically.
|
||||
key = Secret(hmac_sha512(
|
||||
let noise_ik_key = Secret(hmac_sha512(
|
||||
session.psk.as_bytes(),
|
||||
&hmac_sha512(
|
||||
&hmac_sha512(&hmac_sha512(key.as_bytes(), bob_e0_keypair.public_key_bytes()), e0e0.as_bytes()),
|
||||
se0.as_bytes(),
|
||||
&hmac_sha512(&hmac_sha512(ss_key.as_bytes(), bob_e_keypair.public_key_bytes()), noise_ee.as_bytes()),
|
||||
noise_se.as_bytes(),
|
||||
),
|
||||
));
|
||||
drop(ss_key);
|
||||
|
||||
// At this point we've completed Noise_IK key derivation with NIST P-384 ECDH, but now for hybrid and ratcheting...
|
||||
|
||||
// Generate a Kyber encapsulated ciphertext if Kyber is enabled and the other side sent us a public key.
|
||||
let (bob_e1_public, e1e1) = if JEDI && alice_e1_public.len() > 0 {
|
||||
if let Ok((bob_e1_public, e1e1)) = pqc_kyber::encapsulate(alice_e1_public, &mut random::SecureRandom::default()) {
|
||||
let (bob_e1_public, e1e1) = if JEDI && alice_e1_public_raw.len() > 0 {
|
||||
if let Ok((bob_e1_public, e1e1)) = pqc_kyber::encapsulate(alice_e1_public_raw, &mut random::SecureRandom::default()) {
|
||||
(Some(bob_e1_public), Some(Secret(e1e1)))
|
||||
} else {
|
||||
return Err(Error::FailedAuthentication);
|
||||
|
@ -1055,7 +1057,7 @@ impl<H: Host> ReceiveContext<H> {
|
|||
let mut rp = &mut reply_buf[HEADER_SIZE..];
|
||||
|
||||
rp.write_all(&[SESSION_PROTOCOL_VERSION])?;
|
||||
rp.write_all(bob_e0_keypair.public_key_bytes())?;
|
||||
rp.write_all(bob_e_keypair.public_key_bytes())?;
|
||||
|
||||
rp.write_all(&offer_id)?;
|
||||
rp.write_all(&session.id.0.to_le_bytes()[..SESSION_ID_SIZE])?;
|
||||
|
@ -1090,7 +1092,7 @@ impl<H: Host> ReceiveContext<H> {
|
|||
// Encrypt reply packet using final Noise_IK key BEFORE mixing hybrid or ratcheting, since the other side
|
||||
// must decrypt before doing these things.
|
||||
let mut c = AesGcm::new(
|
||||
kbkdf512(key.as_bytes(), KBKDF_KEY_USAGE_LABEL_AES_GCM_BOB_TO_ALICE).first_n::<AES_KEY_SIZE>(),
|
||||
kbkdf512(noise_ik_key.as_bytes(), KBKDF_KEY_USAGE_LABEL_AES_GCM_BOB_TO_ALICE).first_n::<AES_KEY_SIZE>(),
|
||||
true,
|
||||
);
|
||||
c.reset_init_gcm(reply_canonical_header.as_bytes());
|
||||
|
@ -1100,11 +1102,12 @@ impl<H: Host> ReceiveContext<H> {
|
|||
reply_len += AES_GCM_TAG_SIZE;
|
||||
|
||||
// Mix ratchet key from previous session key (if any) and Kyber1024 hybrid shared key (if any).
|
||||
let mut session_key = noise_ik_key;
|
||||
if let Some(ratchet_key) = ratchet_key {
|
||||
key = Secret(hmac_sha512(ratchet_key.as_bytes(), key.as_bytes()));
|
||||
session_key = Secret(hmac_sha512(ratchet_key.as_bytes(), session_key.as_bytes()));
|
||||
}
|
||||
if let Some(e1e1) = e1e1.as_ref() {
|
||||
key = Secret(hmac_sha512(e1e1.as_bytes(), key.as_bytes()));
|
||||
session_key = Secret(hmac_sha512(e1e1.as_bytes(), session_key.as_bytes()));
|
||||
}
|
||||
|
||||
// Authenticate packet using HMAC-SHA384 with final key. Note that while the final key now has the Kyber secret
|
||||
|
@ -1112,19 +1115,19 @@ impl<H: Host> ReceiveContext<H> {
|
|||
// associated with the remote identity. An attacker who can break NIST P-384 (and has the psk) could MITM the
|
||||
// Kyber exchange, but you'd need a not-yet-existing quantum computer for that.
|
||||
let hmac = hmac_sha384_2(
|
||||
kbkdf512(key.as_bytes(), KBKDF_KEY_USAGE_LABEL_HMAC).first_n::<48>(),
|
||||
kbkdf512(session_key.as_bytes(), KBKDF_KEY_USAGE_LABEL_HMAC).first_n::<48>(),
|
||||
reply_canonical_header.as_bytes(),
|
||||
&reply_buf[HEADER_SIZE..reply_len],
|
||||
);
|
||||
reply_buf[reply_len..(reply_len + HMAC_SIZE)].copy_from_slice(&hmac);
|
||||
reply_len += HMAC_SIZE;
|
||||
|
||||
let key = SessionKey::new(key, Role::Bob, current_time, reply_counter, ratchet_count + 1, e1e1.is_some());
|
||||
let session_key = SessionKey::new(session_key, Role::Bob, current_time, reply_counter, ratchet_count + 1, e1e1.is_some());
|
||||
|
||||
let mut state = session.state.write().unwrap();
|
||||
let _ = state.remote_session_id.replace(alice_session_id);
|
||||
let next_key_ptr = (state.key_ptr + 1) % KEY_HISTORY_SIZE;
|
||||
let _ = state.keys[next_key_ptr].replace(key);
|
||||
let next_key_ptr = (state.cur_session_key_idx + 1) % KEY_HISTORY_SIZE;
|
||||
let _ = state.session_keys[next_key_ptr].replace(session_key);
|
||||
drop(state);
|
||||
|
||||
// Bob now has final key state for this exchange. Yay! Now reply to Alice so she can construct it.
|
||||
|
@ -1150,25 +1153,25 @@ impl<H: Host> ReceiveContext<H> {
|
|||
if let Some(session) = session {
|
||||
let state = session.state.read().unwrap();
|
||||
if let Some(offer) = state.offer.as_ref() {
|
||||
let (bob_e0_public, e0e0) =
|
||||
let (bob_e_public, noise_ee) =
|
||||
P384PublicKey::from_bytes(&kex_packet[(HEADER_SIZE + 1)..(HEADER_SIZE + 1 + P384_PUBLIC_KEY_SIZE)])
|
||||
.and_then(|pk| offer.alice_e0_keypair.agree(&pk).map(move |s| (pk, s)))
|
||||
.and_then(|pk| offer.alice_e_keypair.agree(&pk).map(move |s| (pk, s)))
|
||||
.ok_or(Error::FailedAuthentication)?;
|
||||
let se0 = host
|
||||
.get_local_s_keypair_p384()
|
||||
.agree(&bob_e0_public)
|
||||
let noise_se = host
|
||||
.get_local_s_keypair()
|
||||
.agree(&bob_e_public)
|
||||
.ok_or(Error::FailedAuthentication)?;
|
||||
|
||||
let mut key = Secret(hmac_sha512(
|
||||
let mut noise_ik_key = Secret(hmac_sha512(
|
||||
session.psk.as_bytes(),
|
||||
&hmac_sha512(
|
||||
&hmac_sha512(&hmac_sha512(offer.key.as_bytes(), bob_e0_public.as_bytes()), e0e0.as_bytes()),
|
||||
se0.as_bytes(),
|
||||
&hmac_sha512(&hmac_sha512(offer.ss_key.as_bytes(), bob_e_public.as_bytes()), noise_ee.as_bytes()),
|
||||
noise_se.as_bytes(),
|
||||
),
|
||||
));
|
||||
|
||||
let mut c = AesGcm::new(
|
||||
kbkdf512(key.as_bytes(), KBKDF_KEY_USAGE_LABEL_AES_GCM_BOB_TO_ALICE).first_n::<AES_KEY_SIZE>(),
|
||||
kbkdf512(noise_ik_key.as_bytes(), KBKDF_KEY_USAGE_LABEL_AES_GCM_BOB_TO_ALICE).first_n::<AES_KEY_SIZE>(),
|
||||
false,
|
||||
);
|
||||
c.reset_init_gcm(canonical_header_bytes);
|
||||
|
@ -1179,7 +1182,7 @@ impl<H: Host> ReceiveContext<H> {
|
|||
|
||||
// Alice has now completed Noise_IK with NIST P-384 and verified with GCM auth, but now for hybrid...
|
||||
|
||||
let (offer_id, bob_session_id, _, _, bob_e1_public, bob_ratchet_key_id) = parse_key_offer_after_header(
|
||||
let (offer_id, bob_session_id, _, _, bob_e1_public_raw, bob_ratchet_key_id) = parse_key_offer_after_header(
|
||||
&kex_packet[(HEADER_SIZE + 1 + P384_PUBLIC_KEY_SIZE)..kex_packet_len],
|
||||
packet_type,
|
||||
)?;
|
||||
|
@ -1188,8 +1191,8 @@ impl<H: Host> ReceiveContext<H> {
|
|||
return Ok(ReceiveResult::Ignored);
|
||||
}
|
||||
|
||||
let e1e1 = if JEDI && bob_e1_public.len() > 0 && offer.alice_e1_keypair.is_some() {
|
||||
if let Ok(e1e1) = pqc_kyber::decapsulate(bob_e1_public, &offer.alice_e1_keypair.as_ref().unwrap().secret) {
|
||||
let e1e1 = if JEDI && bob_e1_public_raw.len() > 0 && offer.alice_e1_keypair.is_some() {
|
||||
if let Ok(e1e1) = pqc_kyber::decapsulate(bob_e1_public_raw, &offer.alice_e1_keypair.as_ref().unwrap().secret) {
|
||||
Some(Secret(e1e1))
|
||||
} else {
|
||||
return Err(Error::FailedAuthentication);
|
||||
|
@ -1199,16 +1202,17 @@ impl<H: Host> ReceiveContext<H> {
|
|||
};
|
||||
|
||||
let mut ratchet_count = 0;
|
||||
let mut session_key = noise_ik_key;
|
||||
if bob_ratchet_key_id.is_some() && offer.ratchet_key.is_some() {
|
||||
key = Secret(hmac_sha512(offer.ratchet_key.as_ref().unwrap().as_bytes(), key.as_bytes()));
|
||||
session_key = Secret(hmac_sha512(offer.ratchet_key.as_ref().unwrap().as_bytes(), session_key.as_bytes()));
|
||||
ratchet_count = offer.ratchet_count;
|
||||
}
|
||||
if let Some(e1e1) = e1e1.as_ref() {
|
||||
key = Secret(hmac_sha512(e1e1.as_bytes(), key.as_bytes()));
|
||||
session_key = Secret(hmac_sha512(e1e1.as_bytes(), session_key.as_bytes()));
|
||||
}
|
||||
|
||||
if !hmac_sha384_2(
|
||||
kbkdf512(key.as_bytes(), KBKDF_KEY_USAGE_LABEL_HMAC).first_n::<48>(),
|
||||
kbkdf512(session_key.as_bytes(), KBKDF_KEY_USAGE_LABEL_HMAC).first_n::<48>(),
|
||||
canonical_header_bytes,
|
||||
&kex_packet_saved_ciphertext[HEADER_SIZE..aes_gcm_tag_end],
|
||||
)
|
||||
|
@ -1220,7 +1224,7 @@ impl<H: Host> ReceiveContext<H> {
|
|||
// Alice has now completed and validated the full hybrid exchange.
|
||||
|
||||
let counter = session.send_counter.next();
|
||||
let key = SessionKey::new(key, Role::Alice, current_time, counter, ratchet_count + 1, e1e1.is_some());
|
||||
let session_key = SessionKey::new(session_key, Role::Alice, current_time, counter, ratchet_count + 1, e1e1.is_some());
|
||||
|
||||
let mut reply_buf = [0_u8; HEADER_SIZE + AES_GCM_TAG_SIZE];
|
||||
create_packet_header(
|
||||
|
@ -1232,10 +1236,10 @@ impl<H: Host> ReceiveContext<H> {
|
|||
counter,
|
||||
)?;
|
||||
|
||||
let mut c = key.get_send_cipher(counter)?;
|
||||
let mut c = session_key.get_send_cipher(counter)?;
|
||||
c.reset_init_gcm(CanonicalHeader::make(bob_session_id.into(), PACKET_TYPE_NOP, counter.to_u32()).as_bytes());
|
||||
reply_buf[HEADER_SIZE..].copy_from_slice(&c.finish_encrypt());
|
||||
key.return_send_cipher(c);
|
||||
session_key.return_send_cipher(c);
|
||||
|
||||
set_header_check_code(&mut reply_buf, &session.header_check_cipher);
|
||||
send(&mut reply_buf);
|
||||
|
@ -1243,8 +1247,8 @@ impl<H: Host> ReceiveContext<H> {
|
|||
drop(state);
|
||||
let mut state = session.state.write().unwrap();
|
||||
let _ = state.remote_session_id.replace(bob_session_id);
|
||||
let next_key_ptr = (state.key_ptr + 1) % KEY_HISTORY_SIZE;
|
||||
let _ = state.keys[next_key_ptr].replace(key);
|
||||
let next_key_idx = (state.cur_session_key_idx + 1) % KEY_HISTORY_SIZE;
|
||||
let _ = state.session_keys[next_key_idx].replace(session_key);
|
||||
let _ = state.offer.take();
|
||||
|
||||
return Ok(ReceiveResult::Ok);
|
||||
|
@ -1336,8 +1340,8 @@ struct EphemeralOffer {
|
|||
creation_time: i64, // Local time when offer was created
|
||||
ratchet_count: u64, // Ratchet count starting at zero for initial offer
|
||||
ratchet_key: Option<Secret<64>>, // Ratchet key from previous offer
|
||||
key: Secret<64>, // Shared secret in-progress, at state after offer sent
|
||||
alice_e0_keypair: P384KeyPair, // NIST P-384 key pair (Noise ephemeral key for Alice)
|
||||
ss_key: Secret<64>, // Shared secret in-progress, at state after offer sent
|
||||
alice_e_keypair: P384KeyPair, // NIST P-384 key pair (Noise ephemeral key for Alice)
|
||||
alice_e1_keypair: Option<pqc_kyber::Keypair>, // Kyber1024 key pair (agreement result mixed post-Noise)
|
||||
}
|
||||
|
||||
|
@ -1358,10 +1362,10 @@ fn send_ephemeral_offer<SendFunction: FnMut(&mut [u8])>(
|
|||
current_time: i64,
|
||||
) -> Result<Box<EphemeralOffer>, Error> {
|
||||
// Generate a NIST P-384 pair.
|
||||
let alice_e0_keypair = P384KeyPair::generate();
|
||||
let alice_e_keypair = P384KeyPair::generate();
|
||||
|
||||
// Perform key agreement with the other side's static P-384 public key.
|
||||
let e0s = alice_e0_keypair.agree(bob_s_public_p384).ok_or(Error::InvalidPacket)?;
|
||||
let noise_es = alice_e_keypair.agree(bob_s_public_p384).ok_or(Error::InvalidPacket)?;
|
||||
|
||||
// Generate a Kyber1024 pair if enabled.
|
||||
let alice_e1_keypair = if JEDI {
|
||||
|
@ -1387,7 +1391,7 @@ fn send_ephemeral_offer<SendFunction: FnMut(&mut [u8])>(
|
|||
let mut p = &mut packet_buf[HEADER_SIZE..];
|
||||
|
||||
p.write_all(&[SESSION_PROTOCOL_VERSION])?;
|
||||
p.write_all(alice_e0_keypair.public_key_bytes())?;
|
||||
p.write_all(alice_e_keypair.public_key_bytes())?;
|
||||
|
||||
p.write_all(&id)?;
|
||||
p.write_all(&alice_session_id.0.to_le_bytes()[..SESSION_ID_SIZE])?;
|
||||
|
@ -1412,9 +1416,9 @@ fn send_ephemeral_offer<SendFunction: FnMut(&mut [u8])>(
|
|||
};
|
||||
|
||||
// Create ephemeral agreement secret.
|
||||
let key = Secret(hmac_sha512(
|
||||
&hmac_sha512(&INITIAL_KEY, alice_e0_keypair.public_key_bytes()),
|
||||
e0s.as_bytes(),
|
||||
let es_key = Secret(hmac_sha512(
|
||||
&hmac_sha512(&INITIAL_KEY, alice_e_keypair.public_key_bytes()),
|
||||
noise_es.as_bytes(),
|
||||
));
|
||||
|
||||
let bob_session_id = bob_session_id.unwrap_or(SessionId::NIL);
|
||||
|
@ -1425,7 +1429,7 @@ fn send_ephemeral_offer<SendFunction: FnMut(&mut [u8])>(
|
|||
// Encrypt packet and attach AES-GCM tag.
|
||||
let gcm_tag = {
|
||||
let mut c = AesGcm::new(
|
||||
kbkdf512(key.as_bytes(), KBKDF_KEY_USAGE_LABEL_AES_GCM_ALICE_TO_BOB).first_n::<AES_KEY_SIZE>(),
|
||||
kbkdf512(es_key.as_bytes(), KBKDF_KEY_USAGE_LABEL_AES_GCM_ALICE_TO_BOB).first_n::<AES_KEY_SIZE>(),
|
||||
true,
|
||||
);
|
||||
c.reset_init_gcm(canonical_header.as_bytes());
|
||||
|
@ -1436,11 +1440,12 @@ fn send_ephemeral_offer<SendFunction: FnMut(&mut [u8])>(
|
|||
packet_len += AES_GCM_TAG_SIZE;
|
||||
|
||||
// Mix in static secret.
|
||||
let key = Secret(hmac_sha512(key.as_bytes(), ss.as_bytes()));
|
||||
let ss_key = Secret(hmac_sha512(es_key.as_bytes(), ss.as_bytes()));
|
||||
drop(es_key);
|
||||
|
||||
// HMAC packet using static + ephemeral key.
|
||||
let hmac = hmac_sha384_2(
|
||||
kbkdf512(key.as_bytes(), KBKDF_KEY_USAGE_LABEL_HMAC).first_n::<48>(),
|
||||
kbkdf512(ss_key.as_bytes(), KBKDF_KEY_USAGE_LABEL_HMAC).first_n::<48>(),
|
||||
canonical_header.as_bytes(),
|
||||
&packet_buf[HEADER_SIZE..packet_len],
|
||||
);
|
||||
|
@ -1468,8 +1473,8 @@ fn send_ephemeral_offer<SendFunction: FnMut(&mut [u8])>(
|
|||
creation_time: current_time,
|
||||
ratchet_count,
|
||||
ratchet_key,
|
||||
key,
|
||||
alice_e0_keypair,
|
||||
ss_key,
|
||||
alice_e_keypair,
|
||||
alice_e1_keypair,
|
||||
}))
|
||||
}
|
||||
|
@ -1807,15 +1812,15 @@ mod tests {
|
|||
}
|
||||
}
|
||||
|
||||
impl Host for Box<TestHost> {
|
||||
type AssociatedObject = u32;
|
||||
impl ApplicationLayer for Box<TestHost> {
|
||||
type SessionUserData = u32;
|
||||
type SessionRef = Arc<Session<Box<TestHost>>>;
|
||||
type IncomingPacketBuffer = Vec<u8>;
|
||||
type RemoteAddress = u32;
|
||||
|
||||
const REKEY_RATE_LIMIT_MS: i64 = 0;
|
||||
|
||||
fn get_local_s_public(&self) -> &[u8] {
|
||||
fn get_local_s_public_raw(&self) -> &[u8] {
|
||||
self.local_s.public_key_bytes()
|
||||
}
|
||||
|
||||
|
@ -1823,15 +1828,15 @@ mod tests {
|
|||
&self.local_s_hash
|
||||
}
|
||||
|
||||
fn get_local_s_keypair_p384(&self) -> &P384KeyPair {
|
||||
fn get_local_s_keypair(&self) -> &P384KeyPair {
|
||||
&self.local_s
|
||||
}
|
||||
|
||||
fn extract_p384_static(static_public: &[u8]) -> Option<P384PublicKey> {
|
||||
fn extract_s_public_from_raw(static_public: &[u8]) -> Option<P384PublicKey> {
|
||||
P384PublicKey::from_bytes(static_public)
|
||||
}
|
||||
|
||||
fn session_lookup(&self, local_session_id: SessionId) -> Option<Self::SessionRef> {
|
||||
fn lookup_session(&self, local_session_id: SessionId) -> Option<Self::SessionRef> {
|
||||
self.session.lock().unwrap().as_ref().and_then(|s| {
|
||||
if s.id == local_session_id {
|
||||
Some(s.clone())
|
||||
|
@ -1841,7 +1846,7 @@ mod tests {
|
|||
})
|
||||
}
|
||||
|
||||
fn check_new_session_attempt(&self, _: &ReceiveContext<Self>, _: &Self::RemoteAddress) -> bool {
|
||||
fn check_new_session(&self, _: &ReceiveContext<Self>, _: &Self::RemoteAddress) -> bool {
|
||||
true
|
||||
}
|
||||
|
||||
|
@ -1851,7 +1856,7 @@ mod tests {
|
|||
_: &u32,
|
||||
_: &[u8],
|
||||
_: &[u8],
|
||||
) -> Option<(SessionId, Secret<64>, Self::AssociatedObject)> {
|
||||
) -> Option<(SessionId, Secret<64>, Self::SessionUserData)> {
|
||||
loop {
|
||||
let mut new_id = self.session_id_counter.lock().unwrap();
|
||||
*new_id += 1;
|
||||
|
|
Loading…
Add table
Reference in a new issue